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Recruitment Guide to Finding a PHP Developer

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Many developers know PHP . It is indeed one of the most widely used web programming languages across the world. Its popularity is one of its main strengths. However, it implies a job market whose offer is very wide , but the qualification not always easy to grasp. Especially since being a good technician is not enough to make a developer the element you need to complete your team. This guide covers the essential elements to understand how to recruit a good PHP developer .

PHP compared to other programming languages

PHP is clearly intended for the web . Once this observation is made, it does not take long to see that it is absolutely everywhere on the Internet. It is indeed by far the most widely used server-side web programming language . He is involved in the development of websites and web applications , from the simplest to the most complex.

PHP is a popular scripting language for developing dynamic web pages displayed using requests sent to an HTTP server. It was born in 1994 from the hands of a Canadian programmer called Rasmus Lerdorf. Although written in C, PHP also draws inspiration from other programming languages. It has thus undergone various influences from C++, Java and Perl. This diversity is one of its strengths, but also one of the complexities of this language, which is not always easy to master.

What makes a good PHP developer

Technically, keep in mind that a good PHP developer should have most of the skills below:

  • Excellent knowledge of PHP syntaxand its particularities,
  • Mastery of good language practices, particularly with a view to optimizing code performance and security ,
  • Good understanding of the MVC pattern(Model-View-Controller),
  • Mastery of one or more PHP frameworks(Symfony, CakePHP, Laravel, etc.),
  • Knowledge of object-oriented programming,
  • General understanding of front-end technologies(JavaScript, HTML, CSS),
  • Ability to work with one or more database management systems, in SQL or NoSQL (MySQL, PostgrSQL, MongoDB, etc.)

This list illustrates what a good PHP developer is from a technology perspective, however it has its limitations and should be tailored to your personal needs . In general, when you want to recruit a developer, it is better to focus on the overall profile than the perfect match with each criterion listed. If you work with the Yii framework and you receive the CV of a developer with a lot of Symfony experience, he may be better able to help you quickly than a developer who knows the basics of the framework you use but has a less advanced general understanding of language.

It’s up to you to ask yourself the right questions to establish an accurate analysis of your needs . This list of objectives will serve as your common thread throughout the recruitment process. By writing a job offer that is precise and representative of the needs of your IT team , you are already ensuring a large part of the success of your search .

Attract the right candidates

An offer to match the popularity of PHP In Switzerland , many PHP developers are scrutinizing the job market . In Geneva alone , it is not uncommon to see dozens of simultaneous job offers asking for PHP knowledge. There is demand, and therefore a certain competition for companies seeking to recruit good developers. However, theoretical knowledge is not everything and not all candidates necessarily correspond to your needs.

The good PHP developer is not only the one who knows the technology on the fingertips but also the one who corresponds to your values . He must be able to easily find his place within your company and be proactive. To facilitate the recruitment process, it is therefore important to know how to attract the right candidates . Remember that conducting a long series of interviews with developers who do not match your needs is a waste of time for you, your company and of course the candidates.

A good job posting is accurate and honest The best job postings are the most detailed . This of course requires a little more preparation time, but the results are all the better for it. It starts with being specific about the technologies your business uses. Which framework, or framework , is honored in your IT team? What template engines does it use? What type of servers does your information system rely on? Of course, do not indicate any confidential data, but at least name the technologies in order to ensure that the candidates will apply with full knowledge of the facts.

When in doubt, ask for more, but never less. So don’t claim to be looking for a PHP expert if you need a full-stack developer. PHP developers work at the server level and therefore essentially at the back-end . They obviously collaborate with front-end developers in the same project but this is not their main expertise.

Present the mentality of your company and the type of profile you are looking to integrate into your team, even if it means being divisive. Finally, indicate the particularities specific to the position. Is it a CDI or a contract for the duration of specific projects? What level of training do you require? How many people does your technical team consist of? Will the developer be allowed to work remotely? The more you go into detail, the closer the motivation of the candidates applying will be to yours.

Succeed in the interview of your future PHP developer

The main challenge of interviews is to find the balance between the technical and human part . As a recruiter, you have to know how to distinguish between what concerns human resources and what concerns business expertise. You may be part of an internal department at the recruiting company. On the contrary, you may be hired as a recruitment agency or firm. In any case, the chances are high that PHP is not one of your main skills. It’s quite normal. Do not hesitate to be accompanied by an expert in the field for the interview phase. Ideally invite the team leader or a PHP developer who will be in direct collaboration with the selected candidate.

Together, you will be able to broaden the field of competence and ensure that you recruit the best PHP developer, both technically and human. With this guide, you should now be able to write a proper job ad , know what to focus on for your interview, and hire the programmer who will source the best web development for your upcoming projects.

In order to remain attractive and open to new applications, don’t forget to take care of your corporate image over the long term  !

 

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Tips for the expert: Repair electrical appliances yourself

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In this throw-away economy, it’s always tempting to buy something new as soon as something breaks. Do not! Repairing electrical appliances yourself saves a lot of money, and you also learn something from it. In this article we help you on your way with some tips.

If a device no longer works properly (or does not work at all) and if you cannot quickly find out what the problem is, Google is your best friend. A search with ‘brand name + type number + problem / error code’ in most cases quickly leads to messages from others who have encountered this before.

Almost all appliances sold in the Netherlands are also for sale in Germany with the same type designations. And because the market there is larger, more devices break and there is a greater chance that a user has reported something about this and may have devised or found a solution by now. You can also search for yourself on sites such as selbst.de , gutefrage.net or the electronicwerkstatt.de forum .

Also, don’t forget YouTube. There are now also thousands of videos on YouTube of people showing solutions for common malfunctions of household appliances. Especially with regard to washing machines, dishwashers, dryers and other white goods, problems and solutions are often generic and not tied to a particular brand.

Specialized sites and forums

Highly recommended is iFixit . On this site you will find manuals for repairing thousands of – mainly electronic – devices, including supplies and how difficult the repair is. Separate disassembly descriptions can even be found for devices that are difficult to disassemble. As a user, you are encouraged to describe and share your own repair. And yes, even a guide has been made for how you can do that best.

Certainly with older devices or devices that have been produced in small series, you may not immediately find a description of your problem or solution. In such cases, we recommend that you look for more specialized online places where the real enthusiasts hang out, such as a forum. And if there is no ready-made answer, you can also ask your question here, such as at Question & Answer on our site. A few other recommendations are superuser.com (hardware and software), hififorum.nl (audio equipment), autoweek.nl/forum/ (cars), doenidee.nl/forum / (devices in and around the house), gathering. tweakers.net (electronics + computers) andforum.zoom.nl (cameras).

Find manuals

There is a manual with almost all devices, but this often only helps you with solving small and easy-to-solve malfunctions and problems. Fortunately, there are many sites on the internet where you can also find extensive (technical) manuals, search with the terms ‘service manual’ and ‘repair manual’. This often contains diagrams and describes how to carry out the most common repairs and – perhaps more importantly – what the type numbers are of the parts that you may have to order for this.

Good sites for finding these types of manuals include user manual.com , suche-anleitung.de , manualsdir.eu , devicemanuals.eu , nodevice.com , tradebit.com and eserviceinfo.com . Keep in mind that at some of these sites (service) manuals can only be downloaded for a fee. Incidentally, they are also exchanged via the various forums that have already been discussed. You will probably lose a little more time in that case.

A few additional tips. Have you not been able to find a service manual with parts list and/or part numbers? In most cases, you can also find the number on the part that needs to be replaced, especially for white goods and brown goods. Do you have the correct number but the part is not available? Please contact the correct parts supplier. They often know if there is another part that you can also use.

Parts & Tools

If you know what is wrong with a device, you will in certain cases need new parts and sometimes special tools. The trade in parts is growing enormously and many suppliers now also offer all kinds of how-tos as a service. In some cases, you will receive a credit or discount when the performance of your own repair films or photographs and offers that registration on that particular site.

For inspiration, we list a number of interesting ones: conrad.nl (electronics and tools), fixjeiphone.nl (iPhone and iPad), replacedirect.nl (including computer, household, tools) , partsshop.nl (including kitchen, household, garden) , parts.nl (including white goods and brown goods) and handyman.nl (eg computer, household, bicycle).

Order parts from abroad

In addition to the many sites where you can buy new, it is especially interesting for computer and notebook parts to see what is offered in terms of ‘refurbished’, ‘replacement parts’, and ‘pre-owned’. Sometimes you simply have no other choice or new is much too expensive.

Ebay is a great place to start looking for used parts. If that doesn’t work, aliexpress.com and alibaba.com often offer a solution. Especially in China there is a lively trade in used computer, tablet and smartphone parts. Sellers go to great lengths – albeit in poor English – to help you if you can’t find the right part or alternative yourself. If you have it sent by regular mail, it can take a few weeks from China before you receive a part.

Also pay attention to the shipping costs and any other surcharges. For purchases outside the EU and above 22 euros you pay VAT (21%). If the value is above 150 euros, you will have to pay customs duties to the delivery person. The amount depends on various factors. Before you order something, take a look at the sites of the tax authorities and customs.

With a little daring and a manual or instructions from the internet you can go far, even if you have two left hands. In certain cases, however, it stops because you cannot figure out the problem yourself or because you do not know, for example, which tools or which parts you need.

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Refrigerator repair: Fix common problems yourself

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A refrigerator that no longer works properly can cause problems. There are various food items in it that must remain refrigerated. When the refrigerator no longer works properly, this can cause the food to spoil and everything can therefore be thrown away. The refrigerator should be repaired as soon as possible, but you do not necessarily have to call in a mechanic. You can also solve many problems yourself. Parts.nl tells in this article how you can solve the refrigerator problems yourself.

The refrigerator no longer cools

A very annoying problem that can often have multiple causes. It is important to see what still works well. If the compressor or motor still starts, this means that the thermostat still sends a signal that the engine must start. The coolant is then no longer pumped around due to another cause, which may be due to a leak in the cooling system or a blockage. Unfortunately, this is no longer worth repairing unless it is still under warranty.

If the engine does not start, the refrigerator thermostat is faulty. This can be the thermostat that you set manually or an electronic thermostat that is connected by a wire to a sensor (NTC). The manual thermostat will in many cases have to be replaced and it is often located on the right side of the refrigerator behind the rotary knob. When you take the thermostat out you will probably see the type or serial number. You can use this to order new parts for your refrigerator yourself.

With an electronic thermostat, you need to check the temperature on the display and see if it shows the actual temperature of the refrigerator. If so, then the NTC is faulty. If the temperature differs greatly, the electronics are probably broken. You can also order parts for this online and try to solve the problem yourself.

freezer compartment defrosts

In this case, the refrigerator may be in a room that is too cold. When the temperature in the environment is colder, the engine needs to start less often. You often encounter this in the winter period. So when the engine no longer starts, the freezer compartment is no longer cooled and it defrosts. Therefore, do not place the refrigerator in an environment of 10 degrees or lower.

Water under the fridge

A refrigerator is equipped with an automatic defrosting system, which ensures condensation drainage. Refrigerators condense on the back, causing the water to run down to the gutter. If the gutter is clogged, the water can no longer drain away, so you get water in the refrigerator. To unclog, carefully pierce the hole.

Preventive maintenance prevents problems with the refrigerator

In addition to solving defects, preventive maintenance can also be useful. If the rubbers of the refrigerator are kept clean, they will last longer. This provides a better seal and is better for power consumption. Also regularly defrost the freezer compartment so that ice does not form. As a result, the NTC will not break and can continue to transmit the signal to the motor of the refrigerator.

For example, a refrigerator repair does not have to be complicated and expensive. The costs of a mechanic can easily be saved by carrying out the repair yourself. For this you simply order the refrigerator parts for the refrigerator online and you can quickly get started repairing the refrigerator.

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Managing the waste flow of plastic is important, also with storage bins.

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The ecology of a changing world… With a properly functioning waste stream and new recycling technologies, the amount of recycled plastic can be increased enormously. In the longer term, this is important for online purchases that will be shipped with reusable packaging, such as nestable distribution bins.

Plastic waste can be recycled very well if this old plastic is sorted and does not end up in the residual waste. That is why effective plastics recycling is one of the biggest challenges. Every day huge amounts of plastic waste end up in nature, in landfills, in the oceans and also as microplastics in our food chains. Huge carpets of plastic waste float in the oceans. An example of this is the Great Pacific Garbage Patch, which is now three times the size of France and contains 1.8 trillion plastic parts, or 250 for every inhabitant on the planet. It is the largest garbage dump on our planet. This fact underlines once again the importance of establishing well-functioning recycling systems and effective recycling of plastic.

Only 16 percent of plastic waste is recycled

Only 25 percent of plastic waste is recycled. Worldwide it is even less. But according to one study, official recycling rates are relatively high, reaching 45 percent according to the study. However, these figures only refer to deliveries to recycling companies, not the total amount actually recycled. In addition, manufacturers, including storage bins, have until now tended to use virgin plastic granulate for their products instead of recycled material, which is often a mix of colors.

The low price of new plastic and the expensive sorting and reconditioning of used plastic in Europe have led to a large proportion of plastic waste being shipped abroad. According to these data, Germany is the third largest exporter of plastic waste in the world after the US and Japan. However, the main importing countries to date, China and Malaysia, have imposed import bans or extremely limited quantities purchased. The study’s authors describe the planet’s pollution with plastic as one of the greatest environmental crises. “At current and projected growth rates, plastic production will emit 52.5 gigatons of carbon dioxide by 2050.

There is an urgent need for function cycles and new technologies

It is therefore urgent that much more plastic is recycled and reused for new products. To achieve this, the recycling cycles have to work in a real and global way. In addition, new effective processes need to be developed for the recycling of plastic, so that manufacturers are happy to use granulate from recycled plastic.

Diversity of recycled plastic raw materials is increasing

Although the problem of waste still exists, there is a much greater variety of raw materials (ground and recycled materials) on the market today than ten years ago. In the past, companies have only ground their own production waste or customer returns and immediately reused that material. This is then called ground material.

Reclaimed plastics are recycled plastics that are first ground and then melted. Alternatively, the material is sorted, melted, added and reconstituted. Compounding is the addition of aggregates (fillers, additives…) to obtain the desired properties. Depending on the origin, a distinction is made between post-consumer raw materials and post-industrial raw materials.

New processes for plastics recycling

There are already companies that have perfected complicated plastics recycling (mostly polyethylene (PE) and polypropylene (PP)) and compounding of post-consumer recyclables so that plastics recycling can be offered according to the demands of the market.

Because the production of plastics does not always have to be based on crude oil. Due to the precise sorting and the optimized separation, degassing and filtration, a particularly high purity of the plastic granules can be achieved during recycling.

Special recipes and processes make it possible to adapt these according to need in terms of fluidity, stability, UV and heat resistance or coloring. Users or manufacturers of plastic products can also apply for an environmental label and thus distinguish themselves positively from the competition. Significant amounts of greenhouse gases are saved in the production of the recycled products and in addition, the upcycling is carried out by using it as a sustainable plastic product. Cheap disposable items are thus converted into high-quality items that replace many disposable products due to their durability.

Research is currently underway into chemical recycling, which will allow plastics for which no recycling solutions currently exist to be recycled, in addition to mechanical recycling. Plastic waste is converted into raw materials or monomers, for example by thermochemical processes, hydrolysis or solvolysis.

The resulting starting material can be used for the production of new plastics. Examples include contaminated plastics, multi-layer food packaging or composite plastics for the automotive and construction industry. The method uses thermochemical processes to convert plastic waste into raw materials (pyrolysis oil). This makes it possible to produce high-quality plastics, for example for packaging.

Upcycling with BITO bins

In the case of reusable use, it is essential to ensure that the recycling cycle really works well, as with BITO reusable storage bins and transport bins. These are made of environmentally friendly recyclable plastic (PP granulate). Moreover, at the end of their life they do not produce unnecessary waste, but are ground and this material is then used to produce new articles. There are many options for realizing reusable and deposit systems with matching plastic containers made of high-quality recycled material. BITO reusable boxes are extremely durable. At BITO, the customer receives a five-year warranty on every storage bin. The MB reusable distribution box has more than 300 cycles. This means that 300 disposable packaging is saved per distribution container. There is a closed raw material cycle for the trays. BITO also uses processed recycled plastics or other recycling systems from around the world on request. This increases the share of plastic waste that is recycled as a raw material. With these BITO storage bins you are upcycling in a particularly environmentally friendly way.

Literature:

1 Only a fraction of plastic waste is recycled, Zeit Online, 6.6.2019

2 Plastic Atlas 2019, Facts and figures about the world of synthetic polymers, Federation for Environment and Nature Conservation Germany (Bund) and Heinrich Böll Foundation, Berlin, 2019

3 ChemCycling: Henkel and Alpla present a special Perwoll bottle, Packaging Journal, October 21, 2019

 

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