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Asynchronous vs synchronous execution, what does it really mean? [closed]
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When you execute something synchronously, you wait for it to finish before moving on to another task. When you execute something asynchronously, you can move on to another task before it finishes.
That being said, in the context of computers this translates into executing a p...
So, JSONP or CORS? [closed]
...f you need a read-only ajax interface to your servers and you need to support IE<=9, Opera<12, or Firefox<3.5 or various other older or obscure browsers, CORS is out, use JSONP. IE8 and IE9 sorta support CORS but have problems, see the link in the first comment below.
On the other hand, i...
PHP: Convert any string to UTF-8 without knowing the original character set, or at least try
I have an application that deals with clients from all over the world, and, naturally, I want everything going into my databases to be UTF-8 encoded.
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How to round up to the nearest 10 (or 100 or X)?
...ting a function to plot data. I would like to specify a nice round number for the y-axis max that is greater than the max of the dataset.
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Android: AsyncTask vs Service
...oaders but nothing about Services ? Are Services just not known very well or are they deprecated or have some bad attributes or something? What are the differences?
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Should I use JSLint or JSHint JavaScript validation? [closed]
...gress on, it's assisting me to write better JavaScript - in particular in working with the Jquery library.
8 Answers
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Python exit commands - why so many and when should each be used?
It seems that python supports many different commands to stop script execution. The choices I've found are: quit() , exit() , sys.exit() , os._exit()
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How do I test a private function or a class that has private methods, fields or inner classes?
... unit test (using xUnit) a class that has internal private methods, fields or nested classes? Or a function that is made private by having internal linkage ( static in C/C++) or is in a private ( anonymous ) namespace?
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php is null or empty?
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What you're looking for is:
if($variable === NULL) {...}
Note the ===.
When use ==, as you did, PHP treats NULL, false, 0, the empty string, and empty arrays as equal.
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Should I use Vagrant or Docker for creating an isolated environment? [closed]
I use Ubuntu for development and deployment and have a need for creating an isolated environment.
10 Answers
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