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Do I cast the result of malloc?
....
It adds clutter to the code, casts are not very easy to read (especially if the pointer type is long).
It makes you repeat yourself, which is generally bad.
It can hide an error if you forgot to include <stdlib.h>. This can cause crashes (or, worse, not cause a crash until way later in some ...
What is the $? (dollar question mark) variable in shell scripting? [duplicate]
...t executed command.
Try the following in the shell:
ls somefile
echo $?
If somefile exists (regardless whether it is a file or directory), you will get the return value thrown by the ls command, which should be 0 (default "success" return value). If it doesn't exist, you should get a number other...
How to write into a file in PHP?
... @Duroth it works only in PHP5 or it works only from PHP5 ? those are 2 different things.
– Xsmael
Jan 31 at 17:26
2
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Use RSA private key to generate public key?
...nt private.der private key contents as binary stream
xxd -p private.der
# Now compare the output of the above command with output
# of the earlier openssl command that outputs private key
# components. If you stare at both outputs long enough
# you should be able to confirm that all components are...
Who sets response content-type in Spring MVC (@ResponseBody)
...utes the response with an Accept-Charset header that probably lists every known character encoding, and 2) when the request has an Accept header the supportedMediaTypes property of the converter is not used, so for example when I make the request typing directly the URL in a browser the response has...
Nginx reverse proxy causing 504 Gateway Timeout
... I think that increasing the timeout is seldom the answer unless you know your network/service will always or in some cases respond very slowly. Few web requests nowadays should take more than a few seconds unless you are downloading content (files/images)
– Almund
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How do I use arrays in C++?
... | pointer_to_the_first_element int*
This conversion is known as "array-to-pointer decay", and it is a major source of confusion. The size of the array is lost in this process, since it is no longer part of the type (T*). Pro: Forgetting the size of an array on the type level allow...
Is there a way to check if a file is in use?
...haracters than try {} finally { obj.Dispose() }. You'll also find that you now need to declare your object reference outside the using statement, which is more typing. If you have a explicit interface you'd also have to cast. Finally you want to dispose ASAP, and the finally logic may have UI or an...
Django CSRF check failing with an Ajax POST request
...solution is: "use ajaxSetup handler instead of ajaxSend handler". I don't know why it works. But it works for me :)
Previous post (without answer)
I'm experiencing the same problem actually.
It occurs after updating to Django 1.2.5 - there were no errors with AJAX POST requests in Django 1.2.4 (A...
Merge two Git repositories without breaking file history
... see the commit history from the old repositories when I do git log , but if I do git log <file> it shows only one commit for that file - the subtree merge. Judging from the comments on the above answer, I'm not alone in seeing this problem but I've found no published solutions for it.
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