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How do I check if an array includes a value in JavaScript?
...ay, value)
Lodash: _.includes(array, value, [from]) (is _.contains prior 4.0.0)
Ramda: R.includes(value, array)
Notice that some frameworks implement this as a function, while others add the function to the array prototype.
...
What is a loop invariant?
...et's look at a simple for loop that looks like this:
int j = 9;
for(int i=0; i<10; i++)
j--;
In this example it is true (for every iteration) that i + j == 9. A weaker invariant that is also true is that
i >= 0 && i <= 10.
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What unique features does Firebug have that are not built-in to Firefox?
...
15.11.2014 - FF 33.0: There have been a lot of improvements to the native inspect tool: Filters are available for network tab; Lots of really cool and useful features: 3D View, Responsive Design mode, Color grabber, Used font + fon...
Convert data.frame columns from factors to characters
...
370
Just following on Matt and Dirk. If you want to recreate your existing data frame without chang...
搭建高可用mongodb集群（三）—— 深入副本集内部机制 - 大数据 & AI - 清...
...Command({replSetStepDown : 1, force : true})
或者使用 rs.stepDown(120)也可以达到同样的效果，中间的数字指不能在停止服务这段时间成为主节点，单位为秒。
设置一个从节点有比主节点有更高的优先级。
先查看当前集群中优先级，通...
Unit testing that events are raised in C# (in order)
...2, receivedEvents.Count);
Assert.AreEqual("MyProperty", receivedEvents[0]);
Assert.AreEqual("MyOtherProperty", receivedEvents[1]);
}
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How to stage only part of a new file with git?
.../shame>
– sehe
Jun 22 '11 at 13:20
1
Well found. I should have scrolled the man page a bit fur...
How do I import global modules in Node? I get “Error: Cannot find module ”?
...
If you're using npm >=1.0, you can use npm link <global-package> to create a local link to a package already installed globally. (Caveat: The OS must support symlinks.)
However, this doesn't come without its problems.
npm link is a deve...
Connect different Windows User in SQL Server Management Studio (2005 or later)
Is there a way in SQL Server Management Studio 2005 (or later) to change the Windows Authentication user (as you could in SQL Server 2000 and older)?
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How should I use Outlook to send code snippets?
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If you are using Outlook 2010, you can define your own style and select your formatting you want, in the Format options there is one option for Language, here you can specify the language and specify whether you want spell checker to ignore the text w...