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What is the purpose of the : (colon) GNU Bash builtin?

...nds. true was instead simply aliased to :, and false to something like let 0. : is slightly better than true for portability to ancient Bourne-derived shells. As a simple example, consider having neither the ! pipeline operator nor the || list operator (as was the case for some ancient Bourne shell...
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Angular ng-repeat Error “Duplicates in a repeater are not allowed.”

... 10 Answers 10 Active ...
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case-insensitive list sorting, without lowercasing the result?

... 202 In Python 3.3+ there is the str.casefold method that's specifically designed for caseless match...
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Printing hexadecimal characters in C

...ur case), your chars are being promoted to int via sign-extension. Since c0 and 80 have a leading 1-bit (and are negative as an 8-bit integer), they are being sign-extended while the others in your sample don't. char int c0 -> ffffffc0 80 -> ffffff80 61 -> 00000061 Here's a solution:...
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How to extract request http headers from a request using NodeJS connect

...| edited Jan 15 '16 at 18:04 gilly3 75.2k2323 gold badges130130 silver badges169169 bronze badges answer...
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What are some better ways to avoid the do-while(0); hack in C++?

... | edited Mar 30 '15 at 21:14 answered Aug 29 '13 at 9:53 ...
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Library? Static? Dynamic? Or Framework? Project inside another project

... 209 First, some general definitions (specific to iOS): Static library - a unit of code linked at c...
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Get most recent file in a directory on Linux

... | edited Jun 18 '09 at 23:19 answered Jun 18 '09 at 23:17 ...
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CSS: Setting width/height as Percentage minus pixels

...re writing for CSS3-compliant browsers, you can use calc: height: calc(100% - 18px); It's worth it to note that not all browsers currently support the standard CSS3 calc() function, so implementing the browser specific versions of the function may be required like the following: /* Firefox */ ...
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How can I add timestamp to logs using Node.js library Winston?

... Wilfred Springer 10.4k44 gold badges4949 silver badges6868 bronze badges answered Apr 26 '12 at 20:38 imagreenplantimag...