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PHP “php://input” vs $_POST

... The reason is that php://input returns all the raw data after the HTTP-headers of the request, regardless of the content type. The PHP superglobal $_POST, only is supposed to wrap data that is either application/x-www-form-urlencoded (standard content type for...
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Merge PDF files

...iles, output_stream): input_streams = [] try: # First open all the files, then produce the output file, and # finally close the input files. This is necessary because # the data isn't read from the input files until the write # operation. Thanks to # h...
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Error handling principles for Node.js + Express.js applications?

... Error handling in Node.js is generally of the format A). Most callbacks return an error object as the first argument or null. Express.js uses middleware and the middleware syntax uses B) and E) (mentioned below). C) is bad practice if you ask me. app.get('...
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Scala: What is the difference between Traversable and Iterable traits in Scala collections?

...ersables don't. A Traversable has one abstract method: foreach. When you call foreach, the collection will feed the passed function all the elements it keeps, one after the other. On the other hand, an Iterable has as abstract method iterator, which returns an Iterator. You can call next on an Ite...
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Why use def main()? [duplicate]

...ink I still have something else to add. Reasons to have that if statement calling main() (in no particular order): Other languages (like C and Java) have a main() function that is called when the program is executed. Using this if, we can make Python behave like them, which feels more familiar for ...
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Naming convention for utility classes in Java

... you use it consistently. Like, if you have three utility classes and you call them CustomerUtil, ProductUtils, and StoreUtility, other people trying to use your classes are going to constantly get confused and type CustomerUtils by mistake, have to look it up, curse you a few times, etc. (I heard a...
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GitHub: Reopening a merged pull request

...l need to add commits to the branch and create a new pull request, copying all the details over and probably providing a link to the original pull request to manually save the history. Might be a nice feature request for future GitHub. ...
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Why and How to avoid Event Handler memory leaks?

...andler and the possible leak. However, in my experience this is rarely actually a problem - because typically I find that the publisher and subscriber have roughly equal lifetimes anyway. It is a possible cause... but in my experience it's rather over-hyped. Your mileage may vary, of course... you ...
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Comparing boxed Long values 127 and 128

... If the data type of above variable is primitive (long) then code work for all values. Java caches Integer objects instances from the range -128 to 127. That said: If you set to N Long variables the value 127 (cached), the same object instance will be pointed by all references. (N variables, 1 i...
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Log exception with traceback

... log file ERROR:root:Got exception on main handler Traceback (most recent call last): File "/tmp/teste.py", line 9, in <module> run_my_stuff() NameError: name 'run_my_stuff' is not defined share | ...