大约有 490 项符合查询结果(耗时:0.0148秒) [XML]
Is it abusive to use IDisposable and “using” as a means for getting “scoped behavior” for exception
...
I don't think so, necessarily. IDisposable technically is meant to be used for things that have non-managed resources, but then the using directive is just a neat way of implementing a common pattern of try .. finally { dispose }.
A purist would argue 'yes - it's...
Optimizing away a “while(1);” in C++0x
...sume we have the following loops,
where count and count2 are global variables (or have had their address
taken), and p is a local variable, whose address has not been taken:
for (p = q; p != 0; p = p -> next) {
++count;
}
for (p = q; p != 0; p = p -> next) {
++count2;
}
Coul...
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
...而不是重新启动应用。
可以实现OnTrimMemory方法的系统组件有Application、Activity、Fragement、
Service、ContentProvider;关于OnTrimMemory释放哪些内存其实在架构阶段就要考虑清楚哪些对象是要常驻内存的,哪些是伴随组件周期存在的,...
【最全】CSS响应式布局的5种实现方式 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...者高度发生变化时,通过百分比单位可以使得浏览器中的组件的宽和高随着浏览器的变化而变化,从而实现响应式的效果。
height、width 属性的百分比依托于父标签的宽高。但是 padding、border、margin 等属性的情况又不一样
1、...
SSMS插件开发指南 - C/C++ - 清泛网 - 专注C/C++及内核技术
...T_USER而不是HKEY_LOCAL_MACHINE),然后加载注册表已注册的COM组件(由于开启“COM互操作注册”,VS编译时已经将DLL注册到注册表)。
以上是SMSS 2008加载插件的方式。获取DTE方式:
_applicationObject = (DTE2)ServiceCache.ExtensibilityModel;
...
中文网(自研/维护)拓展 · App Inventor 2 中文网
...Disconnect()
Close the socket
SendBinaryData(listBytes)
参考原版BLE源码中的字节列表参数
SendData(data)
Send data through the socket to the server
Clipboard
实现剪贴板的复制粘贴功能。详细用法及步骤请参考这里。
可跨屏...
How to install the Raspberry Pi cross compiler on my Linux host machine?
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arm-linux-gnueabihf-raspbian-linux/install/arm-linux-gnueabihf/libc --enable-languages=c,c++,fo
rtran --disable-multilib --with-arch=armv6 --with-tune=arm1176jz-s --with-fpu=vfp --with-float=
hard --with-pkgversion='crosstool-NG linaro-1.13.1+bzr2458 - Linaro GCC 2012.08' --with-bugurl=
https:/...
CruiseControl.Net 进行持续化集成 - IT产品资讯 - 清泛网 - 专注C/C++及内核技术
...是我自己实现了一系列的代码发布,FTP上传,XCopy安装等组件,在后面会提到。
除了上述,CC.Net还支持NCover,Simian和Fitness,我没有具体应用,便不多讲。
注:本文属jillzhang 原创,转载请注明出处 ,欢迎访问http://jillzhang....
How does having a dynamic variable affect performance?
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@Eric, can I trouble you to point me to a previous blog post of yours where you talk about implicit conversions of short, int, etc? As I recall you mentioned in there how/why using dynamic with Convert.ToXXX causes the compiler to fire up. ...
内存优化总结:ptmalloc、tcmalloc和jemalloc - 操作系统(内核) - 清泛网 - ...
...freebsd的libc malloc实现。 目前在firefox、facebook服务器各种组件中大量使用。
jemalloc原理
与tcmalloc类似,每个线程同样在<32KB的时候无锁使用线程本地cache。
Jemalloc在64bits系统上使用下面的size-class分类:
Small: [8], [16, 32, 48, …, 12...