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Determining 32 vs 64 bit in C++
...esentation. I prefer ENVIRONMENT64 / ENVIRONMENT32. Then I find out what all of the major compilers use for determining if it's a 64 bit environment or not and use that to set my variables.
// Check windows
#if _WIN32 || _WIN64
#if _WIN64
#define ENVIRONMENT64
#else
#define ENVIRONMENT32
#endif...
兼容主流浏览器的JS复制内容到剪贴板 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...onal.dtd">
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<head>
<title>Web开发者 - www.Admin10000.com </title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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var clipboardswfdata;
var setcopy_gettext = function(){
clipb...
【最全】谈如何升级aiStarter内置AI伴侣的方式及原理 - App Inventor 2 中...
...adb命令
好处是，adb命令能够做的事情非常的多，是安卓开发调试非常常用的命令。仅使用这个命令的学习成本倒是不高，关键是如果安装失败会打印具体的失败原因，这一点非常的重要，根据失败原因去找解决方案，也是以上...
有没有关于CRC校验的扩展？ - App Inventor 2 拓展 - 清泛IT社区，为创新赋能！
...校验码，但是该平台进行二进制运算功能有限，可不可以开发一个进行CRC校验的扩展，这样做工业网络控制就简单得多。这个需求比较通用，应该是有现成的 CRC 拓展，我稍后找一下再上传{:8_384:}参考：https://community.appinventor.mit....
'and' (boolean) vs '&' (bitwise) - Why difference in behavior with lists vs numpy arrays?
...
and tests whether both expressions are logically True while & (when used with True/False values) tests if both are True.
In Python, empty built-in objects are typically treated as logically False while non-empty built-ins are logically True. This facilitates the c...
How to completely uninstall Visual Studio 2010?
...ly and ultimately remove Visual Studio 2010 from my computer. When you install Visual Studio, it also installs a bunch of programs (about 55) in the add/remove programs panel ( appwiz.cpl ).
...
【phpcms v9】PC站和手机站 全静态手机移动站方法 - 更多技术 - 清泛网 - ...
...适用于两个单一空间。
3、tag不能生成静态，可以做二次开发生成伪静态，方法参考网上资料，案例网站也没有做伪静态。
4、如果不想做双站静态的请不要用此法，参考 phpcms v9 怎么利用双模板制作PC站与移动站，网上有一些...
使用App Inventor扩展实现多点触控：Scale Detector · App Inventor 2 中文网
...etector.aix 扩展。
请记住，扩展机制仍然不稳定并且正在开发中。 随着系统的发展，你在步骤 (2) 和 (3) 中构建的任何 aia 文件可能需要重新构建。
内容
多点触控演示应用
实现ScaleDetector扩展
App Inventor 没有内置多点触控...
When to use NSInteger vs. int
...
You usually want to use NSInteger when you don't know what kind of processor architecture your code might run on, so you may for some reason want the largest possible integer type, which on 32 bit systems is just an int, while on a ...
find vs find_by vs where
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Use whichever one you feel suits your needs best.
The find method is usually used to retrieve a row by ID:
Model.find(1)
It's worth noting that find will throw an exception if the item is not found by the attribute that you supply. Use where (as described below, which will return an empty arr...