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Homebrew install specific version of formula?
How do I install a specific version of a formula in homebrew? For example, postgresql-8.4.4 instead of the latest 9.0.
27 ...
基于内网外隔离的微信推送解决方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...TOP如下：内网用户和tomcat1&tomcat2 服务器有访问微信企业API接口服务器的需求，但是该网络环境要求比较严格，...先来看看需求
我们假设原始TOP如下：
内网用户和tomcat1&tomcat2 服务器有访问微信企业API接口服务器的需求，...
关于web客户端 POST API请求问题 - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
一直提示参数不正确，提交不了数据，有没类似的教程你好，请提供一下截图和你的aia项目文件便于定位问题，谢谢！
App Inventor 2 TaifunBattery 拓展：电池管理器，获取设备电量 · App Inventor 2 中文网
...电池容量占总容量的整数百分比（无小数部分）。
需要 API 级别 21、Android 5、Lollipop。
以微安为单位返回平均电池电流（整数）。正值表示从充电源进入电池的净电流，负值表示从电池放电的净电流。计算平均值的时间...
How do you follow an HTTP Redirect in Node.js?
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It is. It's called http.request the API is pretty simple.
– Raynos
Oct 23 '12 at 20:24
3
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How do you test private methods with NUnit?
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Generally, unit testing addresses a class's public interface, on the theory that the implementation is immaterial, so long as the results are correct from the client's point of view.
So, NUnit does not provide any mechanism for t...
Safest way to convert float to integer in python?
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All integers that can be represented by floating point numbers have an exact representation. So you can safely use int on the result. Inexact representations occur only if you are trying to represent a rational number with a ...
ReactJS Two components communicating
...s a handler from <List /> to <Filters />, which could then be called on the onChange event to filter the list with the current value.
JSFiddle for #1 →
/** @jsx React.DOM */
var Filters = React.createClass({
handleFilterChange: function() {
var value = this.refs.filterInput.ge...
Enum String Name from Value
...onvert the int back to an enumeration member with a simple cast, and then call ToString():
int value = GetValueFromDb();
var enumDisplayStatus = (EnumDisplayStatus)value;
string stringValue = enumDisplayStatus.ToString();
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Why there is no ConcurrentHashSet against ConcurrentHashMap
... Collections.newSetFromMap creates a SetFromMap. e.g. the SetFromMap.removeAll method delegates to the KeySetView.removeAll, that inherits from ConcurrentHashMap$CollectionView.removeAll. This method is highly inefficient in bulk removing elements. imagine removeAll(Collections.emptySet()) traverses...