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What makes Lisp macros so special?
Reading Paul Graham's essays on programming languages one would think that Lisp macros are the only way to go. As a busy developer, working on other platforms, I have not had the privilege of using Lisp macros. As someone who wants to understand the buzz, please explain what makes this feature s...
How to count TRUE values in a logical vector
In R, what is the most efficient/idiomatic way to count the number of TRUE values in a logical vector? I can think of two ways:
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Reading file contents on the client-side in javascript in various browsers
I'm attempting to provide a script-only solution for reading the contents of a file on a client machine through a browser.
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#include in .h or .c / .cpp?
When coding in either C or C++, where should I have the #include 's?
4 Answers
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sed error: “invalid reference \1 on `s' command's RHS”
I run several substitution commands as the core of a colorize script for maven .
One of the sed commands uses a regular expression which works find in the shell as discussed here . The current (not working) implementation can be found here .
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Get the week start date and week end date from week number
I have a query that counts member's wedding dates in the database.
18 Answers
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How to get start and end of day in Javascript?
How to get start ( 00:00:00 ) and end ( 23:59:59 ) of today in timestamp ( GMT )? Computer use a local time.
7 Answers
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Finding the direction of scrolling in a UIScrollView?
I have a UIScrollView with only horizontal scrolling allowed, and I would like to know which direction (left, right) the user scrolls. What I did was to subclass the UIScrollView and override the touchesMoved method:
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How to send FormData objects with Ajax-requests in jQuery? [duplicate]
The XMLHttpRequest Level 2 standard (still a working draft) defines the FormData interface. This interface enables appending File objects to XHR-requests (Ajax-requests).
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Less aggressive compilation with CSS3 calc
The Less compilers that I'm using ( OrangeBits and dotless 1.3.0.5 ) are aggressively translating
4 Answers
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