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How do I find where JDK is installed on my windows machine?
I need to know where JDK is located on my machine.
22 Answers
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Detect URLs in text with JavaScript
Does anyone have suggestions for detecting URLs in a set of strings?
13 Answers
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Use of def, val, and var in scala
These lines of code outputs 12 , even though person.age=20 was successfully executed. I found that this happens because I used def in def person = new Person("Kumar",12) . If I use var or val the output is 20 . I understand the default is val in scala. This:
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How do I pass multiple parameters into a function in PowerShell?
If I have a function which accepts more than one string parameter, the first parameter seems to get all the data assigned to it, and remaining parameters are passed in as empty.
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Calculate difference in keys contained in two Python dictionaries
Suppose I have two Python dictionaries - dictA and dictB . I need to find out if there are any keys which are present in dictB but not in dictA . What is the fastest way to go about it?
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Unique Key constraints for multiple columns in Entity Framework
I'm using Entity Framework 5.0 Code First;
9 Answers
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What exactly does git's “rebase --preserve-merges” do (and why?)
Git's documentation for the rebase command is quite brief:
2 Answers
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Do try/catch blocks hurt performance when exceptions are not thrown?
During a code review with a Microsoft employee we came across a large section of code inside a try{} block. She and an IT representative suggested this can have effects on performance of the code. In fact, they suggested most of the code should be outside of try/catch blocks, and that only importa...
Using semicolon (;) vs plus (+) with exec in find
Why is there a difference in output between using
6 Answers
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libevent对比libev的基准测试 - C/C++ - 清泛网 - 专注C/C++及内核技术
libevent对比libev的基准测试libev_libevent_bench本文档简要描述了针对 libevent 和 libev 运行 libevent 基准程序的结果。Libevent 概述Libevent（于 2000-11-14 首次发布）是一个高性能事件循环，支持简单的 API、两 Google翻译自：http://libev.schmorp....