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内存管理内幕：动态分配的选择、折衷和实现 - C/C++ - 清泛网 - 专注C/C++及内核技术
...他程序使用。
实现这些需求的程序库称为 分配程序（allocators），因为它们负责分配和回收内存。程序的动态性越强，内存 管理就越重要，您的内存分配程序的选择也就更重要。让我们来了解可用于内存管理的不同方法，它...
How to pull specific directory with git
...t saved me, so as far as I'm concerned, this is the correct answer - especially since this was a top hit on Google for this issue.
– Morgon
Nov 1 '11 at 14:39
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How do I get a substring of a string in Python?
...o Worl'
>>> x[-2:]
'd!'
>>> x[2:-2]
'llo Worl'
Python calls this concept "slicing" and it works on more than just strings. Take a look here for a comprehensive introduction.
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Why is subtracting these two times (in 1927) giving a strange result?
...ber 31st in Shanghai.
See this page for details of 1927 in Shanghai. Basically at midnight at the end of 1927, the clocks went back 5 minutes and 52 seconds. So "1927-12-31 23:54:08" actually happened twice, and it looks like Java is parsing it as the later possible instant for that local date/time...
How to convert a SVG to a PNG with ImageMagick?
... to convert it into a PNG, then I get a 16x16 pixel PNG which is way too small:
18 Answers
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Different types of thread-safe Sets in Java
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1) The CopyOnWriteArraySet is a quite simple implementation - it basically has a list of elements in an array, and when changing the list, it copies the array. Iterations and other accesses which are running at this time continue with the old array, avoiding necessity of synchronization between...
“Pretty” Continuous Integration for Python
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Buildbot's waterfall page can be considerably prettified. Here's a nice example http://build.chromium.org/buildbot/waterfall/waterfall
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Return multiple values in JavaScript?
... second} = getValues();
* See this table for browser compatibility. Basically, all modern browsers aside from IE support this syntax, but you can compile ES6 code down to IE-compatible JavaScript at build time with tools like Babel.
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How to find the JVM version from a program?
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That JMX call returns the equivalent of "java.vm.version", not "java.version". These are usually (but not necessarily) the same.
– Alex Miller
Jun 21 '13 at 15:54
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jQuery Datepicker onchange event issue
I have a JS code in which when you change a field it calls a search routine. The problem is that I can't find any jQuery events that will fire when the Datepicker updates the input field.
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