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Popup弹出菜单扩展 · App Inventor 2 中文网
...建 Apps 首页 教育 中文教育版 各版本对比 App上架指南 入门必读 IoT专题 AI2拓展 Aia Store 关于 关于我们 发布日志 服务条款 ...
How to get existing fragments when using FragmentPagerAdapter
...e.google.com/p/openintents/source/browse/trunk/compatibility/AndroidSupportV2/src/android/support/v2/app/FragmentPagerAdapter.java#104
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服务器保持大量TIME_WAIT和CLOSE_WAIT的解决方法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...时间，但是有这么多状态要维护总是不好。
HTTP协议1.1版规定default行为是Keep-Alive，也就是会重用TCP连接传输多个 request/response，一个主要原因就是发现了这个问题。
也就是说HTTP的交互跟上面画的那个图是不一样的，关闭连...
Popup弹出菜单扩展 · App Inventor 2 中文网
...建 Apps 首页 教育 中文教育版 各版本对比 App上架指南 入门必读 IoT专题 AI2拓展 Aia Store 关于 关于我们 发布日志 服务条款 ...
How do you know when to use fold-left and when to use fold-right?
...sed copy of the list. For instance, in 2.10.3, github.com/scala/scala/blob/v2.10.3/src/library/scala/…. Seems like this change was made early 2013 - github.com/scala/scala/commit/….
– Dhruv Kapoor
Sep 5 '14 at 6:59
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How to encrypt/decrypt data in php?
...opular choices available:
PBKDF2 (Password Based Key Derivation Function v2)
bcrypt (aka Blowfish)
This answer will use an example with bcrypt.
Generation
A password hash can be generated like this:
$password = 'my password';
$random = openssl_random_pseudo_bytes(18);
$salt = sprintf('$2y$%02...
How do I delete a Git branch locally and remotely?
...added in Git v1.5.0 "to delete a remote branch or a tag."
Starting on Git v2.8.0 you can also use git push with the -d option as an alias for --delete.
Therefore, the version of Git you have installed will dictate whether you need to use the easier or harder syntax.
Delete Remote Branch [Original...
Views vs Components in Ember.js
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As it stands now - v2.x being current stable release - views have been completely deprecated. It is said that views are being removed from Ember 2.0 API.
So, using {{view}} keyword in Ember 2.0 will trigger an assertion:
Assertion Failed: ...
what is the difference between a portlet and a servlet?
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Portlet Specifications - JSR 168(Portlet Spec v1.0), JSR 286(Portlet Spec v2.0), JSR 362(Portlet Spec v3.0)
Deployment of Portlets involves different approach than a Servlet application. Some Providers (Liferay/Alfresco/WebSphere) support hot-deploying of portlets without the need to restart the s...
程序员才能听得懂的笑话 - 轻松一刻 - 清泛网 - 专注C/C++及内核技术
...批程序员给隔离了。老邓接手以后，重构代码，出了个2.0版，为了开发速度，遗留了一堆BUG没处理。人们纷纷质疑：是不是核心构架太单一，双核会不会好点？
42、一程序员家的水管坏了，他打电话叫来一个水管工修理。 水...