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What does the exclamation mark do before the function?

...ere's no semicolon: this is just a function declaration. You would need an invocation, foo(), to actually run the function. Now, 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 ...
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“The remote certificate is invalid according to the validation procedure.” using Gmail SMTP server

I'm getting this error: 20 Answers 20 ...
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Why does setTimeout() “break” for large millisecond delay values?

I came across some unexpected behavior when passing a large millisecond value to setTimeout() . For instance, 7 Answers ...
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How do I create a readable diff of two spreadsheets using git diff?

We have a lot of spreadsheets (xls) in our source code repository. These are usually edited with gnumeric or openoffice.org, and are mostly used to populate databases for unit testing with dbUnit . There are no easy ways of doing diffs on xls files that I know of, and this makes merging extremely...
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Are there any suggestions for developing a C# coding standards / best practices document? [closed]

I'm a recent AI graduate (circa 2 years) working for a modest operation. It has fallen to me (primarily as I'm the first 'adopter' in the department) to create a basic (read useful?) C# coding standards document. ...
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What is the worst real-world macros/pre-processor abuse you've ever come across?

... From memory, it looked something like this: #define RETURN(result) return (result);} int myfunction1(args) { int x = 0; // do something RETURN(x) int myfunction2(args) { int y = 0; // do something RETURN(y) int myfunction3(arg...
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How to check size of a file using Bash?

... 0-size, but I thought there must be an easier way to check for file sizes instead. I.e. file.txt is normally 100k; how to make a script check if it is less than 90k (including 0), and make it do wget a new copy because the file is corrupt in this case. ...
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How do I fix a NoSuchMethodError?

I'm getting a NoSuchMethodError error when running my Java program. What's wrong and how do I fix it? 28 Answers ...
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Java Singleton and Synchronization

Please clarify my queries regarding Singleton and Multithreading: 8 Answers 8 ...
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In git, is there a simple way of introducing an unrelated branch to a repository?

While helping a friend with a git problem today, I had to introduce a branch that needed to be totally separate from the master branch. The contents of this branch really had a different origin from what had been developed on the master branch, but they were going to be merged into the master ...