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How can I get the sha1 hash of a string in node.js?
...gt; sha1("\"some string\"") which is absolutely not expected and not cross platform. Sometimes better is the enemy of good.
– Pierre
Mar 18 '16 at 16:39
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移动前端开发之viewport的深入理解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...移动设备的屏幕像素密度越来越高，从iphone4开始，苹果公司便推出了所谓的Retina屏，分辨率提高了一倍，变成640x960，但屏幕尺寸却没变化，这就意味着同样大小的屏幕上，像素却多了一倍，这时，一个css像素是等于两个物理像...
How to use QueryPerformanceCounter?
...hod to it, in particular, to do exactly what you require).
On non-Windows platforms, there's no QueryPerformanceCounter function, so the solution won't be directly portable. However, if you do wrap it in a class such as the above-mentioned HRTimer, it will be easier to change the class's implement...
Creating temporary files in bash
...ng readable and useful.
mktemp is not standard, but it does exist on many platforms. The "X"s will generally get converted into some randomness, and more will probably be more random; however, some systems (busybox ash, for one) limit this randomness more significantly than others
By the way, sa...
Android应用开发性能优化完全分析 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...内存泄露概念
众所周知，在Java中有些对象的生命周期是有限的，当它们完成了特定的逻辑后将会被垃圾回收；但是，如果在对象的生命周期本来该被垃圾回收时这个对象还被别的对象所持有引用，那就会导致内存泄漏；这样的...
Setting up a deployment / build / CI cycle for PHP projects
....net ran on mono), but they should all - according to the docs - run cross-platform.
Setting up a hudson server
Prerequisites:
Java (1.5 will serve you just fine)
Read access to the subversion server (I have a separate account for the hudson user)
From here, it's just:
java -jar hudson.war
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How to apply a CSS filter to a background image
...er is available in chrome canary without enabling "Enable Experimental Web Platform Features" flag. This means backdrop-filter is very close to being implemented on all chrome platforms.
share
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imp...
vector::at vs. vector::operator[]
...en operator[], e.g. gcc.gnu.org/onlinedocs/libstdc++/manual/… so if your platform supports this, you're probably best off going with it!
– pmdj
Feb 21 '12 at 11:14
1
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iPhone App Minus App Store?
...in/sed -i .bak 's/XCiPhoneOSCodeSignContext/XCCodeSignContext/' /Developer/Platforms/iPhoneOS.platform/Info.plist
If you have Xcode open, restart it for this change to take effect.
Manual Deployment over WiFi
The following steps require openssh, and uikittools to be installed first. Replace jas...
Forward declaring an enum in C++
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+1. Reasoning is correct. The specific case is platforms where sizeof(char*) > sizeof(int*). Both can be underlying types for an enum, depending on range. Classes do not have underlying types so the analogy is false.
– MSalters
Ma...