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How does free know how much to free?
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FYI, for example BSD has malloc_size() to reliably access the block size from an malloc()ed pointer. But there's no reliable, portable way.
– laalto
Oct 5 '09 at 7:53
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How to change the button text of ?
...file fields of forms. It is a plugin for a jQuery-based component library called Twitter Bootstrap
Sample usage:
Include:
<script type="text/javascript" src="js/bootstrap-filestyle.min.js"> </script>
Via JavaScript:
$(":file").filestyle();
Via data attributes:
<input type="fi...
Which HTML Parser is the best? [closed]
...ava! This is awesome! I built a proxy in just a couple hours that modifies all of the src and href links to make them full paths to the origin server.
– jmort253
May 14 '11 at 4:04
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How to use `subprocess` command with pipes
I want to use subprocess.check_output() with ps -A | grep 'process_name' .
I tried various solutions but so far nothing worked. Can someone guide me how to do it?
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Find a private field with Reflection?
...can do it just like with a property:
FieldInfo fi = typeof(Foo).GetField("_bar", BindingFlags.NonPublic | BindingFlags.Instance);
if (fi.GetCustomAttributes(typeof(SomeAttribute)) != null)
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Python: using a recursive algorithm as a generator
...h a natural recursive solution. Now it happens that, even for relatively small input, the sequences are several thousands, thus I would prefer to use my algorithm as a generator instead of using it to fill a list with all the sequences.
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How do I see what character set a MySQL database / table / column is?
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This should be merged in the top answer. It really helped me.
– beppe9000
Jan 14 '17 at 16:55
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Fastest way to determine if an integer's square root is an integer
... CPU (x86) and programming language (C/C++). Your results may vary, especially because I don't know how the Java factor will play out.
My approach is threefold:
First, filter out obvious answers. This includes negative numbers and looking at the last 4 bits. (I found looking at the last six di...
JavaFX and OpenJDK
...s a modular library accessed from an existing JDK (such as an Open JDK installation).
The open source code repository for JavaFX is at https://github.com/openjdk/jfx.
At the source location linked, you can find license files for open JavaFX (currently this license matches the license for OpenJDK...
记录一些Mac OS X技巧 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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sudo launchctl unload -w /System/Library/LaunchDaemons/com.apple.dynamic_pager.plist
禁用以后，磁盘上还保留着这些交换文件，它们已经没用了，也可以删掉：
sudo rm /private/var/vm/swapfile*
如果要重新启用虚拟内存的话，可以执行这条命令：
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