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$(window).scrollTop() vs. $(document).scrollTop()

... @d2burke scrollTop() is a getter and scrollTop(value) is a setter. scrollTop() without arguments does not change the scroll position. – user1107907 Feb 19 '15 at 22:20 ...
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Quick Way to Implement Dictionary in C

... why is here hashval = *s + 31 * hashval; exactly 31 and not anything else? – アレックス Sep 25 '14 at 8:50 14 ...
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How can I initialize base class member variables in derived class constructor?

... You can't initialize a and b in B because they are not members of B. They are members of A, therefore only A can initialize them. You can make them public, then do assignment in B, but that is not a recommended option since it would destroy encapsu...
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Several ports (8005, 8080, 8009) required by Tomcat Server at localhost are already in use

... You can confirm this by going to http://localhost:8080 in your webbrowser and check if you get the Tomcat default home page or a Tomcat-specific 404 error page. Both are equally valid evidence that Tomcat runs fine; if it didn't, then you would have gotten a browser specific HTTP connection timeout...
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Formatting a float to 2 decimal places

...("n2"); // 2dp Number myFloatVariable.ToString("c2"); // 2dp currency Standard Number Format Strings share | improve this answer | follow | ...
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Regexp Java for password validation

...dependent "module". The (?=.*[xyz]) construct eats the entire string (.*) and backtracks to the first occurrence where [xyz] can match. It succeeds if [xyz] is found, it fails otherwise. The alternative would be using a reluctant qualifier: (?=.*?[xyz]). For a password check, this will hardly mak...
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Strange, unexpected behavior (disappearing/changing values) when using Hash default value, e.g. Hash

...ior applies to any default value that is subsequently mutated (e.g. hashes and strings), not just arrays. TL;DR: Use Hash.new { |h, k| h[k] = [] } if you want the most idiomatic solution and don’t care why. What doesn’t work Why Hash.new([]) doesn’t work Let’s look more in-depth at why...
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(![]+[])[+[]]… Explain why this works

...he expression—between parentheses—is composed by ![]+[], the first operand of the Addition operator is ![] and it will produce false, because an array object—as any other Object instance—is truthy, and applying the Logical (!) NOT unary operator, it produces the value false, for example. ![...
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Get list of passed arguments in Windows batch script (.bat)

... dancavallaro has it right, %* for all command line parameters (excluding the script name itself). You might also find these useful: %0 - the command used to call the batch file (could be foo, ..\foo, c:\bats\foo.bat, etc.) %1 is the first command line parameter, %2 ...
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How to make git-diff and git log ignore new and deleted files?

...ometimes there's a couple of changed files together with some new, deleted and/or renamed files. When doing git diff or git-log I'd like to omit them, so I can better spot the modifications. ...