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Shortcuts in Objective-C to concatenate NSStrings
...her option has many upvotes, I think this is the best answer if you don't know all your strings upon construction. Every time you append a string, you're creating a lot of overhead. Using a mutable string removes that problem.
– Eli
Dec 22 '09 at 1:25
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What is the significance of initializing direction arrays below with given values when developing ch
...o clockwise starting at north - then ^4 gets you the opposite direction.)
Now you can test all directions from a given point by looping over your di and dj arrays, instead of needing to write out each direction on its own line (for eight in total!) (Just don't forget to do bounds checking :) )
diK...
Default background color of SVG root element
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It is the answer of @Robert Longson, now with code (there was originally no code, it was added later):
<?xml version="1.0" encoding="UTF-8"?>
<svg version="1.1" xmlns="http://www.w3.org/2000/svg">
<rect width="100%" height="100%" fill="red...
How to write Unicode characters to the console?
...oose some font that supports your language (like KaiTi in Chinese case):
Now you are set to go:
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How to select all records from one table that do not exist in another table?
...n are just null. Then you tell, ok i only want that are null. This way you now have all rows in A that didn't have a match In B
– Muhammad Umer
Mar 6 '18 at 18:02
7
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Using CSS td width absolute, position
...ning that there is a table width threshold. Problem is sometimes we don't know the overall width before hand. What is the default table width?
– Jake
Feb 8 '13 at 5:51
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Linux find file names with given string
...ent directory and subdirectories whose name contains the string "John". I know that grep can match the content in the files, but I have no idea how to use it with file names. Any help would be appreciated.
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Clearing using jQuery
...#file').clone());
} else {
$('#file').val('');
}
But jquery have now removed support for browser testing, jquery.browser.
This javascript solution also worked for me, it is the vanilla equivalent of the jquery.replaceWith method.
document.getElementById("clear").addEventListener("click",...
dyld: Library not loaded … Reason: Image not found
...hird-party library using Homebrew and package them just as easily.
I have now made this script public on github.
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Flattening a shallow list in Python [duplicate]
...s is the only answer I've seen that's made the ordering explicit... Maybe now I can remember it!
– Izkata
Mar 20 '12 at 15:47
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