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How to tell if a JavaScript function is defined
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typeof callback === "function"
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Can I change the height of an image in CSS :before/:after pseudo-elements?
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If that's the case, you shouldn't be using :after at all. It's not supported below IE8.
– Ansel Santosa
Jan 23 '12 at 21:08
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android on Text Change Listener
I have a situation, where there are two fields. field1 and field2 . All I want
to do is empty field2 when field1 is changed and vice versa. So at the end only
one field has content on it.
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returning in the middle of a using block
...you issues is if you return in the middle of a using statement and additionally return the in using variable. But then again, this would also cause you issues even if you didn't return and simply kept a reference to a variable.
using ( var x = new Something() ) {
// not a good idea
return x...
Add x and y labels to a pandas plot
...el", ylabel="y label").
Alternatively, the index x-axis label is automatically set to the Index name, if it has one. so df2.index.name = 'x label' would work too.
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LEFT JOIN vs. LEFT OUTER JOIN in SQL Server
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Absolutely correct. OUTER is allowed for ANSI-92 compatibility.
– Sean Reilly
Jan 2 '09 at 21:34
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Reading HTML content from a UIWebView
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The second question is actually easier to answer. Look at the stringWithContentsOfURL:encoding:error: method of NSString - it lets you pass in a URL as an instance of NSURL (which can easily be instantiated from NSString) and returns a string with the ...
Create a custom callback in JavaScript
All I need to do is to execute a callback function when my current function execution ends.
10 Answers
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converting CSV/XLS to JSON? [closed]
...l I made:
Mr. Data Converter
It converts to JSON, XML and others.
It's all client side, too, so your data never leaves your computer.
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Npm Please try using this command again as root/administrator
I've been desperately trying to install modules using node.js but it always fails getting packages with npm.
32 Answers
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