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How can I merge two hashes without overwritten duplicate keys in Ruby?
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Alex ReisnerAlex Reisner
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Why isn't String.Empty a constant?
...d of a constant? I'm just wondering if anyone knows what the reasoning was behind that decision.
4 Answers
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Java Generics Wildcarding With Multiple Classes
I want to have a Class object, but I want to force whatever class it represents to extend class A and implement interface B.
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How to do a simple file search in cmd
...not power shell). This is similar to opening explorer and using the search box at the top.
5 Answers
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How can I generate random alphanumeric strings?
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I heard LINQ is the new black, so here's my attempt using LINQ:
private static Random random = new Random();
public static string RandomString(int length)
{
const string chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
return new string(Enum...
Getting “type or namespace name could not be found” but everything seems ok?
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This can be the result of a .Net framework version incompatibility between two projects.
It can happen in two ways:
a client profile project referencing a full framework project; or
an older framework version targeting a newer f...
线程访问窗口资源的问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
...射表的一个重要的特征，它只存于一个线程当中。当你在B线程使用A线程的窗口对象指针pWnd，B线程对此对象指针做AssertValid时，会因为以下几种原因导致断言失败:
1. CHandleMap* pMap = afxMapHWND(); ASSERT(pMap != NULL)失败;该线程没...
What exactly is Apache Camel?
...s, I generally recommend people to read this Integration with Apache Camel by Jonathan Anstey. It's a well written piece which gives a brief introduction to and overview of some of Camel's concepts, and it implements a use case with code samples. In it, Jonathan writes:
Apache Camel is an open s...
Django dynamic model fields
...n) to collect additional data in forms and report on the data. The latter bit makes JSONField not a great option, so instead I have the following solution:
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Git merge master into feature branch
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How do we merge the master branch into the feature branch? Easy:
git checkout feature1
git merge master
There is no point in forcing a fast forward merge here, as it cannot be done. You committed both into the feature branch and the master branch. F...