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How to insert a character in a string at a certain position?
...tring.format is the best option available.
– NobleUplift
Jul 24 '13 at 16:06
33
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What is the point of noreturn?
...ilers to make some optimizations and generate better warnings. For example if f has the noreturn attribute, the compiler could warn you about g() being dead code when you write f(); g();. Similarly the compiler will know not to warn you about missing return statements after calls to f().
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How do I add a submodule to a sub-directory?
...n:
git submodule add <git@github ...> snipmate-snippets/snippets/
If you need more information about submodules (or git in general) ProGit is pretty useful.
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How can I shuffle the lines of a text file on the Unix command line or in a shell script?
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shuf and sort -R differ slightly, because sort -R randomly orders the elements according to hash of them, which is, sort -R will put the repeated elements together, while shuf shuffles all the elements randomly.
– SeMeKh
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逆向工程——二进制炸弹(CSAPP Project) - 操作系统(内核) - 清泛网 - 专注...
...。用C语言重写一下，得出：
int func4(int n)
{
if (n <= 1)
return 1;
int ret = 0;
for(int i = n; i > 1; i -= 2)
{
int m = i - 1;
ret += func4(m);
}
return ret + 1;
}
最后，只要暴力搜索...
Cordova: start specific iOS emulator image
...et="iPhone-6-Plus, 9.3"
Important Quit the simulator before launching a different target simulator (On Menu bar select Simulator->Quit)
Take into account that you may need to quit the iOS simulator via menu to switch from 3.5 to 4 inch iPhone.
dynamic list is available in platforms/ios/cordov...
git: undo all working dir changes including new files
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git clean -fxd can actually be REALLY dangerous if you don't know what you're doing. You may end up permanently deleting some very important untracked files, such as your database, etc. Use caution.
– Mason Stewart
Aug 18 '11 at 1:22
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How to append text to an existing file in Java?
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Are you doing this for logging purposes? If so there are several libraries for this. Two of the most popular are Log4j and Logback.
Java 7+
If you just need to do this one time, the Files class makes this easy:
try {
Files.write(Paths.get("myfile.txt"), "the ...
Add margin above top ListView item (and below last) in Android
...e why but setting clipToPadding via a style doesn't work for me, it's like if it doesn't get applied. Although, if I set it directly on the ListView it works.
– ForceMagic
Apr 16 '14 at 22:35
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iOS forces rounded corners and glare on inputs
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You also get this problem in some browsers if you have the following:
<a class="btn btn-primary" href="#" type="button">Link</a>
instead of:
<a class="btn btn-primary" href="#" role="button">Link</a>
This can happen if you change your in...