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How do I replace a character at a particular index in JavaScript?
...replacement.length);
}
And use it like this:
var hello = "Hello World";
alert(hello.replaceAt(2, "!!")); // Should display He!!o World
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follo...
理解Python的 with 语句 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...xit__()方法，因此抛出的ZeroDivisionError异常被打印出来了。开发库时，清理资源，关闭文件等等操作，都可以放在__exit__方法当中。
Thus, Python’s with is a nifty construct that makes code a little less verbose and makes cleaning up during exceptions a ...
javac not working in windows command prompt
... the solutions here: http://techdem.centerkey.com/2009/05/javahome-command-script.html
These are much more robust to change -- like when you upgrade the JDK or JRE, since there is no hard coded path.
The quick solution (if you don't want to read the blog) is
C:\>for /d %i in ("\Program Files\J...
How can I detect if a browser is blocking a popup?
...
try {
popup_window.focus();
} catch (e) {
alert("Pop-up Blocker is enabled! Please add this site to your exception list.");
}
}
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msbuild.exe staying open, locking files
... This also works when running a build from the command line, e.g. a batch script, build server, etc.
– Dave E
Feb 1 '16 at 11:41
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Handling an empty UITableView. Print a friendly message
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func emptyDataSetDidTapButton(scrollView: UIScrollView!) {
let ac = UIAlertController(title: "Button tapped!", message: nil, preferredStyle: .Alert)
ac.addAction(UIAlertAction(title: "Hurray", style: .Default, handler: nil))
presentViewController(ac, animated: true, completion: nil)
}
...
How to merge two arrays in JavaScript and de-duplicate items
I have two JavaScript arrays:
76 Answers
76
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Prevent automatic browser scroll on refresh
...nchor and the page jumps around. Is there any way to prevent this with javascript? So that no-matter-what you would always navigate to the anchor.
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In Node.js, how do I “include” functions from my other files?
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I wonder if it's possible to import external scripts. require("http://javascript-modules.googlecode.com/svn/functionChecker.js") doesn't seem to import the module correctly. Is there any other way to import external scripts?
– Anderson Green
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What is the best way to conditionally apply a class?
...do it:
<class="ng-class:isSelected">
Where 'isSelected' is a javascript variable defined within the scoped angular controller.
To more specifically address your question, here's how you might generate a list with that:
HTML
<div ng-controller="ListCtrl">
<li class="ng-c...