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Find the version of an installed npm package
...ist -g for globally installed packages.
You can find the version of a specific package by passing its name as an argument. For example, npm list grunt will result in:
projectName@projectVersion /path/to/project/folder
└── grunt@0.4.1
Alternatively, you can just run npm list without passing...
What's the difference between and in servlet
...ntext:annotation-config in both applicationContext and servlet, especially if I use different base packages in component-scan tag?
– glaz666
Oct 20 '10 at 13:50
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One line if statement not working
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Remove if from if @item.rigged ? "Yes" : "No"
Ternary operator has form condition ? if_true : if_false
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Error in : object of type 'closure' is not subsettable
...ment that stores the variables when the function is called.
In this specific case, as Joshua mentioned, you are trying to access the url function as a variable. If you define a variable named url, then the error goes away.
As a matter of good practise, you should usually avoid naming variables ...
C# Iterating through an enum? (Indexing a System.Array)
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You probably want to cast the second "val" to an int, if you want to troubleshoot value mismatch as in Enum.GetName(typeof(MyEnum), val), (int)val) in which the output provides the enumeration name and number.
– Greg
Jul 15 '13 at 20:14
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if else statement in AngularJS templates
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Angularjs (versions below 1.1.5) does not provide the if/else functionality . Following are a few options to consider for what you want to achieve:
(Jump to the update below (#5) if you are using version 1.1.5 or greater)
1. Ternary operator:
As suggested by @Kirk in the comm...
Swift 编程语言入门教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
Swift 编程语言入门教程本文从其发布的书籍《The Swift Programming Language》中摘录和提取而成。希望对各位的iOS&OSX开发有所帮助。今天在网上看到一篇非常好的教程，分享给大家
原文地址：http://gashero.iteye.com/blog/2075324
目录
1 ...
How do CUDA blocks/warps/threads map onto CUDA cores?
...ere is a mapping between laneid (threads index in a warp) and a core.
5'. If a warp contains less than 32 threads it will in most cases be executed the same as if it has 32 threads. Warps can have less than 32 active threads for several reasons: number of threads per block is not divisible by 32, t...
What is a pre-revprop-change hook in SVN, and how do I create it?
...Basically it's a script that is launched before unversioned property is modified on the repository, so that you can manage more precisely what's happening on your repository.
There are templates in the SVN distrib for different hooks, located in the /hooks subdirectory (*.tmpl that you have to edit...
Random string generation with upper case letters and digits
...ty of this question, I bet that mistake has been made many times already.
If you're using python3.6 or above, you can use the new secrets module as mentioned in MSeifert's answer:
''.join(secrets.choice(string.ascii_uppercase + string.digits) for _ in range(N))
The module docs also discuss conve...