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Are parallel calls to send/recv on the same socket valid?
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POSIX defines send/recv as atomic operations, so assuming you're talking about POSIX send/recv then yes, you can call them simultaneously from multiple threads and things will work.
This doesn't necessarily mean that they'll ...
Use latest version of Internet Explorer in the webbrowser control
... 7. I have changed to 9 by the article Browser Emulation , but how is it possible to use the latest version of the installed Internet Explorer in a webbrowser control?
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地图组件（高德地图） · App Inventor 2 中文网
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地图 组件提供了三种实用程序，用于通过 App Inventor 操作其边界。
首先，它提供了一个锁定机制，允许地图相对于屏幕上的其他组件移动。其次，解锁后，用户可以将 地图 平移到任意位置。在这个新位置，可以按下“设置...
Handle file download from ajax post
I have a javascript app that sends ajax POST requests to a certain URL. Response might be a JSON string or it might be a file (as an attachment). I can easily detect Content-Type and Content-Disposition in my ajax call, but once I detect that the response contains a file, how do I offer the client t...
What is the overhead of creating a new HttpClient per call in a WebAPI client?
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HttpClient has been designed to be re-used for multiple calls. Even across multiple threads.
The HttpClientHandler has Credentials and Cookies that are intended to be re-used across calls. Having a new HttpClient instance requires re-setting up all of that stuff.
Also, the DefaultRequestHeaders...
Static link of shared library function in gcc
...ing-of-shared-libraries-696714/
http://linux.derkeiler.com/Newsgroups/comp.os.linux.development.apps/2004-05/0436.html
You need the static version of the library to link it.
A shared library is actually an executable in a special format
with entry points specified (and some sticky addressing issues
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ListCtrl 重绘（Custom Draw） - C/C++ - 清泛网 - 专注C/C++及内核技术
...ontrols DLL的版本是5.0。我已经对其在WinNT 4上进行了测试。系统要运行这些代码，它的common controls DLL的版本必须至少是4.71。但随着IE4 的发布，这已经不是问题了。(IE会夹带着这个DLL一起发布)
Custom Draw 基础
我将会尽我所能把Cust...
Find when a file was deleted in Git
I have a Git repository with n commits.
6 Answers
6
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What are Runtime.getRuntime().totalMemory() and freeMemory()?
...e. The value returned by this method may vary over time, depending on the host environment.
Note that the amount of memory required to hold an object of any given type may be implementation-dependent.
maxMemory()
Returns the maximum amount of memory that the Java virtual machine will attempt to u...
How to turn on front flash light programmatically in Android?
...D you can refer Can I change the LED intensity of an Android device? full post. Note that only rooted HTC devices support this feature.
** Issues:**
There are also some problems while turning On/Off flashlight. eg. for the devices not having FLASH_MODE_TORCH or even if it has, then flashlight does...