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Iterating each character in a string using Python

...for loop construct, for example, open("file.txt") returns a file object (and opens the file), iterating over it iterates over lines in that file with open(filename) as f: for line in f: # do something with line If that seems like magic, well it kinda is, but the idea behind it is re...
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Installing a dependency with Bower from URL and specify version

... This is a Git endpoint, and specifying the versioning works. If you specify for example a Javascript file directly, this does not work – Edmondo1984 Oct 14 '13 at 4:51 ...
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Most lightweight way to create a random string and a random hexadecimal number

What is the most lightweight way to create a random string of 30 characters like the following? 13 Answers ...
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How to get a variable name as a string in PHP?

...ction, where it finds the argument you passed in. I suppose it could be expanded to work with multiple arguments but, like others have said, if you could explain the situation better, another solution would probably work better. ...
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SQLite add Primary Key

... suggested solution is to create a new table with the correct requirements and copy your data into it, then drop the old table. here is the official documentation about this: http://sqlite.org/faq.html#q11 share | ...
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How to get multiple counts with one SQL query?

...a.distributor_id, (SELECT COUNT(*) FROM myTable WHERE level='personal' and distributor_id = a.distributor_id) as PersonalCount, (SELECT COUNT(*) FROM myTable WHERE level='exec' and distributor_id = a.distributor_id) as ExecCount, (SELECT COUNT(*) FROM myTable WHERE distributor_id = a.dis...
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Can you autoplay HTML5 videos on the iPad?

...cial docs: https://webkit.org/blog/6784/new-video-policies-for-ios/ iOS 9 and before As of iOS 6.1, it is no longer possible to auto-play videos on the iPad. My assumption as to why they've disabled the auto-play feature? Well, as many device owners have data usage/bandwidth limits on their de...
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Should I size a textarea with CSS width / height or HTML cols / rows attributes?

... I recommend to use both. Rows and cols are required and useful if the client does not support CSS. But as a designer I overwrite them to get exactly the size I wish. The recommended way to do it is via an external stylesheet e.g. textarea { widt...
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What is the purpose of wrapping whole Javascript files in anonymous functions like “(function(){ … }

I have been reading a lot of Javascript lately and I have been noticing that the whole file is wrapped like the following in the .js files to be imported. ...
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What's the difference between @Secured and @PreAuthorize in spring security 3?

...can work with Spring Expression Language (SpEL). You can: Access methods and properties of SecurityExpressionRoot. Access method arguments (requires compilation with debug info or custom ParameterNameDiscoverer): @PreAuthorize("#contact.name == principal.name") public void doSomething(Contact con...