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Tools to selectively Copy HTML+CSS+JS From A Specific Element of DOM [closed]

Like most web developers, I occasionally like to look at the source of websites to see how their markup is built. Tools like Firebug and Chrome Developer Tools make it easy to inspect the code, but if I want to copy a specific section and play around with it locally, it would be a pain to copy all t...
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How to kill a child process after a given timeout in Bash?

...ches a child process that crashes (actually, hangs) from time to time and with no apparent reason (closed source, so there isn't much I can do about it). As a result, I would like to be able to launch this process for a given amount of time, and kill it if it did not return successfully after a give...
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Interop type cannot be embedded

... .NET 4.0 allows primary interop assemblies (or rather, the bits of it that you need) to be embedded into your assembly so that you don't need to deploy them alongside your application. For whatever reason, this assembly can't be embedded - but it sounds like that's not a problem for ...
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Double not (!!) operator in PHP

... It's not the "double not operator", it's the not operator applied twice. The right ! will result in a boolean, regardless of the operand. Then the left ! will negate that boolean. This means that for any true value (numbers...
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What does the exclamation mark do before the function?

..., when we add the seemingly innocuous exclamation mark: !function foo() {} it turns it into an expression. It is now a function expression. The ! alone doesn't invoke the function, of course, but we can now put () at the end: !function foo() {}() which has higher precedence than ! and instantly cal...
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How expensive is the lock statement?

I've been experimenting with multi threading and parallel processing and I needed a counter to do some basic counting and statistic analysis of the speed of the processing. To avoid problems with concurrent use of my class I've used a lock statement on a private variable in my class: ...
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Variable name as a string in Javascript

... Typically, you would use a hash table for a situation where you want to map a name to some value, and be able to retrieve both. var obj = { myFirstName: 'John' }; obj.foo = 'Another name'; for(key in obj) console.log(key + ': ' + obj[key]); ...
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Algorithm to find top 10 search terms

I'm currently preparing for an interview, and it reminded me of a question I was once asked in a previous interview that went something like this: ...
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How to create an installer for a .net Windows Service using Visual Studio

... following: In the solution explorer double click your services .cs file. It should bring up a screen that is all gray and talks about dragging stuff from the toolbox. Then right click on the gray area and select add installer. This will add an installer project file to your project. Then you will ...
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What does the exclamation mark mean in a Haskell declaration?

I came across the following definition as I try to learn Haskell using a real project to drive it. I don't understand what the exclamation mark in front of each argument means and my books didn't seem to mention it. ...