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What is the difference between String.slice and String.substring?

... slice() works like substring() with a few different behaviors. Syntax: string.slice(start, stop); Syntax: string.substring(start, stop); What they have in common: If start equals stop: returns an empty string If stop is omitted: extracts characters to ...
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How to install PyQt4 on Windows using pip?

I'm using Python 3.4 on Windows. When I run a script, it complains 13 Answers 13 ...
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Why do you need to put #!/bin/bash at the beginning of a script file?

I have made Bash scripts before and they all ran fine without #!/bin/bash at the beginning. 9 Answers ...
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Python: split a list based on a condition?

...the best way, both aesthetically and from a performance perspective, to split a list of items into multiple lists based on a conditional? The equivalent of: ...
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Deleting Objects in JavaScript

I'm a bit confused with JavaScript's delete operator. Take the following piece of code: 11 Answers ...
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What does “opt” mean (as in the “opt” directory)? Is it an abbreviation? [closed]

...as in the "opt" directory)? I commonly see this directory in Unix systems with development tools inside. 5 Answers ...
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Best way to store JSON in an HTML attribute?

...d be any size (i.e. huge). I've not seen any documentation on browser limits to attribute sizes. If you do run into them, then store the data in a <script>. Define an object and map element ids to property names in that object. What if the JSON contains special characters? (e.g. {test: ...
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Where am I wrong about my project and these Javascript Frameworks?

...ge web app. I plan on having a set of features available from the get-go with plenty of feature additions down the road. 7...
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Centering a view in its superview using Visual Format Language

... Currently, no, it doesn't look like it is possible to center a view in the superview using only VFL. It is, however, not that difficult to do it using a single VFL string and a single extra constraint (per axis): VFL: "|-(>=20)-[view]-(...
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Why is using a wild card with a Java import statement bad?

It is much more convenient and cleaner to use a single statement like 15 Answers 15 ...