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How far can memory leaks go?
... to accept connections may take minutes to become free, even if properly closed by the program. A networked program may also hold remote resources such as database objects. The remote system should free those resources when the network connection is lost, but it may take even longer than the local o...
How to escape os.system() calls?
When using os.system() it's often necessary to escape filenames and other arguments passed as parameters to commands. How can I do this? Preferably something that would work on multiple operating systems/shells but in particular for bash.
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DaffyMenu 扩展：弹出菜单扩展，为组件添加弹出式菜单功能 · App Inventor 2 中文网
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// 设置菜单标题
调用 DaffyMenu1.设置菜单标题 按钮1 "操作菜单"
// 设置菜单颜色
调用 DaffyMenu1.设置背景颜色 按钮1 0xFFFFFF // 白色背景
调用 DaffyMenu1.设置文本颜色 按钮1 0x000000 // 黑色文字
处理菜单点击事件
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How are everyday machines programmed?
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Most of what you're talking about are embedded based systems where C is a luxury often not available. They don't have software in the traditional sense. Most of the time the software is written in C, assembly, or even machin...
Xcode 4 - slow performance
...move the workspace file they can control-click on their xcodeproj file, choose 'show package contents', and then delete or move the .xcworkspace file.
– Erik Asmussen
Jul 8 '11 at 11:53
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How to remove files and directories quickly via terminal (bash shell) [closed]
...rm -rf.
Also note that what you're learning applies to bash on every Unix OS: OS X, Linux, FreeBSD, etc. In fact, rm's syntax is the same in pretty much every shell on every Unix OS. OS X, under the hood, is really a BSD Unix system.
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使用Activity启动器组件 · App Inventor 2 中文网
...。
要使用 Activity Starter 启动应用程序，你必须向 Android 操作系统提供某些控制信息。 你可以通过在调用 ActivityStarter.StartActivity 方法之前设置 Activity Starter 的各种属性来实现此目的。 本节给出了一些示例。
启动其他 App Inventor ...
Is it possible to have a Subversion repository as a Git submodule?
Is there a way to add a Subversion repository as a Git submodule in my Git repository?
6 Answers
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Measure time in Linux - time vs clock vs getrusage vs clock_gettime vs gettimeofday vs timespec_get?
... what the relevant properties are that we're looking for. Looking at your post, I suggest:
What time is measured by the clock? (real, user, system, or, hopefully not, wall-clock?)
What is the precision of the clock? (s, ms, µs, or faster?)
After how much time does the clock wrap around? Or is the...
tcp加速技术解决方案 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
tcp加速技术解决方案tcp-accelerate-report需求和现状行业需求近年来，随着互联网在全球的快速发展和普及，网民数量的增加，生活中各方面对互联网依赖的增强，带来互联网访问量的爆发性增长。 并且随着web页面内容元素越来 ...