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Abandoning changes without deleting from history

...rst time you push this closed head to another repository since you are actually create additional heads in the remote repository when you push. So tell Mercurial that this is okay with --force. People who pull the closed head wont be bothered by any warnings. ...
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What is the difference between Flex/Lex and Yacc/Bison?

...itimate copies of (the original, AT&T versions of) Lex and Yacc to install on Ubuntu. I wouldn't necessarily say it is impossible, but I'm not aware of such. Flex and Bison are readily available and are equivalent for most purposes. You may also find various alternative and approximately equi...
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Find Results not displaying Results

...ws displays summary information, but not the actual lines matched. This is all my Find Results window displays: 7 Answers ...
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Where to place JavaScript in an HTML file?

...ts. Of course Levi's comment "just before you need it and no sooner" is really the correct answer, i.e. "it depends". share | improve this answer | follow | ...
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Why use AJAX when WebSockets is available?

...s opens up new application domains to browser applications that were not really possible using HTTP and AJAX (interactive games, dynamic media streams, bridging to existing network protocols, etc). However, there is certainly an overlap in purpose between WebSockets and AJAX/Comet. For example, whe...
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How to count lines in a document?

I have lines like these, and I want to know how many lines I actually have... 24 Answers ...
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Confusion about vim folding - how to disable?

...ound I've found is to set the context sub-option of diffopt to something really huge. eg: set diffopt+=context:99999 – Laurence Gonsalves Mar 26 '14 at 22:51 14 ...
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Write lines of text to a file in R

... Mark - what If I have several threads all of which I would like to add lines to the same file? (The issue being is that you can't have more then one connection to a file, If I am not mistaken) Thanks. – Tal Galili Mar 18 '1...
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What is the difference between HashSet and List?

... Actually, I prefer the answer that points out that HashSets are suitable in cases that you can treat your collection as "bag items". Set operations are not so frequent as Containment checks. At any point that you have a set of un...
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How are software license keys generated?

... honest, this strikes me as (in)Security Through Obscurity , although I really have no idea how license keys are generated. What is a good (secure) example of license key generation? What cryptographic primitive (if any) are they using? Is it a message digest? If so, what data would they be hashing...