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When should I use malloc in C and when don't I?
...meMemory = (uint8_t*)malloc(1024);
// Do some stuff
if ( /* some error occured */ ) return -1;
// Do some other stuff
free(someMemory);
return result;
}
Do you see what's wrong with this code? There's a conditional return statement between malloc and free. It might seem oka...
Any reason why scala does not explicitly support dependent types?
...icitly[foo1.Bar =:= foo2.Bar] // Not OK: unequal types
<console>:11: error: Cannot prove that foo1.Bar =:= foo2.Bar.
implicitly[foo1.Bar =:= foo2.Bar]
In my view, the above should be enough to answer the question "Is Scala a dependently typed language?" in the positive: it's cl...
Returning http status code from Web Api controller
...
@nagytech because you can't return a custom error message if you throw an error (like a 400 response)... also throwing exceptions is silly for something that you expect the code to do. Expensive and will be logged when you don't neccesarily want them to be. They're not...
How to clear the cache of nginx?
...he new page is cacheable as well. If you have removed a page (404 or other errors are now served by the backend), the page now sends a Set-Cookie or a "Content-Control: private" header, the cached content will not be "invalidated".
– rbu
Feb 2 '16 at 10:17
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Reject binary with state waiting for review (can't find reject binary button)
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I set 2.0 both time. But got error saying redundant binary..finaly set version number to 2.1. and binary approved.
– Guru
Sep 14 '14 at 5:44
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Coalesce function for PHP?
... trying to check if an undefined array element is falsey will result in an error. $input['properties']['range_low'] ?: '?'
– Keyo
Jul 12 '11 at 23:28
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Making 'git log' ignore changes for certain paths
... shell, use ':!sub' or ":\!sub" instead to avoid bash: ... event not found errors
Note: Git 2.13 (Q2 2017) will add a synonym ^to !
See commit 859b7f1, commit 42ebeb9 (08 Feb 2017) by Linus Torvalds (torvalds).
(Merged by Junio C Hamano -- gitster -- in commit 015fba3, 27 Feb 2017)
pathspec magic...
SHFileOperation函数总结（文件夹的移动、复制、删除） - C/C++ - 清泛网 -...
...ONFIRMMKDIR 0x0200 // 建新目录时不需要用户确定
FOF_NOERRORUI 0x0400 // 不显示出错用户界面
FOF_NOCOPYSECURITYATTRIBS 0x0800 // 不复制 NT 文件的安全属性
FOF_NORECURSION 0x1000 // 不递归目录
返回值：
函数成功返...
Android Game Keeps Getting Hacked [closed]
...ient. Whoops the game crashed. Dont tell its because its hacked. A program error can happend. :-)
Again, its not hacker proof. But it might annoy them enough to move on to the next game. Lastly, you could also put out regular updates for the game and only the latest version should be able to "post ...
How to programmatically determine the current checked out Git branch [duplicate]
...rn anything at all if you are detached. This one is useful if you want an error when detached though, just remove the -q.
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