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Git: Correct way to change Active Branch in a bare repository?
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answered Jul 21 '10 at 17:22
VonCVonC
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Suppress warning messages using mysql from within Terminal, but password written in bash script
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Giacomo1968
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answered Dec 31 '13 at 8:07
Cristian PortaCristia...
Why can't strings be mutable in Java and .NET?
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206
According to Effective Java, chapter 4, page 73, 2nd edition:
"There are many good reasons ...
Error: Cannot pull with rebase: You have unstaged changes
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answered May 7 '14 at 12:20
SchleisSchleis
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Detecting 'stealth' web-crawlers
... talking about these kinds of schemes who want to block anyone who tops 5-10 hits in a second, which may generate false positives on image-heavy pages (unless images are excluded from the tally) and will generate false positives when someone like me finds an interesting site that he wants to read al...
Using wget to recursively fetch a directory with arbitrary files in it
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1014
You have to pass the -np/--no-parent option to wget (in addition to -r/--recursive, of course)...
How to check that an object is empty in PHP?
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130
You can cast to an array and then check if it is empty or not
$arr = (array)$obj;
if (!$arr) {
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GET URL parameter in PHP
...not least, you can use the null coalescing operator (available since PHP/7.0) to handle missing parameters:
echo $_GET['link'] ?? 'Fallback value';
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Linux 进程卡住了怎么办？ - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
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$ cat /proc/`pgrep ls`/stack
[<ffffffff813277c7>] request_wait_answer+0x197/0x280
[<ffffffff81327d07>] __fuse_request_send+0x67/0x90
[<ffffffff81327d57>] fuse_request_send+0x27/0x30
[<ffffffff8132b0ac>] fuse_simple_request+0xcc/0x1a0
[<ffffffff8132c0f0>] fuse_do_getattr+0x120/0x330
[<fffff...
Why is i++ not atomic?
... applies only in limited circumstances.
Basic C or C++ code like for (i = 0; i < LIMIT; i++) would translate into Java as for (i = 0; i < LIMIT; i = i + 1); because it would be inappropriate to use the atomic i++. What's worse, programmers coming from C or other C-like languages to Java would...