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do {…} while(false)

... It's more than a disguised goto. It is a restricted (structured) goto. – Thomas Eding Feb 22 '10 at 20:56 ...
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Why is  appearing in my HTML? [duplicate]

...&#65279 is the Unicode Character 'ZERO WIDTH NO-BREAK SPACE' (U+FEFF). It may be that you copied it into your code via a copy/paste without realizing it. The fact that it's not visible makes it hard to tell if you're using an editor that displays actual unicode characters. One option is to open...
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When do you use Java's @Override annotation and why?

... Use it every time you override a method for two benefits. Do it so that you can take advantage of the compiler checking to make sure you actually are overriding a method when you think you are. This way, if you make a common mi...
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How to check whether a string is Base64 encoded or not

I want to decode a Base64 encoded string, then store it in my database. If the input is not Base64 encoded, I need to throw an error. ...
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notifyDataSetChanged example

...Application the notifyDataSetChanged() method for an ArrayAdapter but it doesn't work for me. 5 Answers ...
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What is the difference between a function expression vs declaration in JavaScript? [duplicate]

...hes that line of code. So if you try to call a function expression before it's loaded, you'll get an error! If you call a function declaration instead, it'll always work, because no code can be called until all declarations are loaded. Example: Function Expression alert(foo()); // ERROR! foo was...
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What does $.when.apply($, someArray) do?

...and Promises and keep coming across $.when.apply($, someArray) . I'm a little unclear on what this does exactly, looking for an explanation that one line works exactly (not the entire code snippet). Here's some context: ...
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How do you design object oriented projects? [closed]

... The steps that I use for initial design (getting to a class diagram), are: Requirements gathering. Talk to the client and factor out the use cases to define what functionality the software should have. Compose a narrative of the individual use cases...
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SQL left join vs multiple tables on FROM line?

... The old syntax, with just listing the tables, and using the WHERE clause to specify the join criteria, is being deprecated in most modern databases. It's not just for show, the old syntax has the possibility of being ambiguous when you use b...
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How does the vim “write with sudo” trick work?

Many of you have probably seen the command that allows you to write on a file that needs root permission, even when you forgot to open vim with sudo: ...