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Unit testing Anti-patterns catalogue
...resent to formally distinguish an actual anti-pattern from a simple bad habit, bad practice, or bad idea:
31 Answers
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What is the largest TCP/IP network port number allowable for IPv4?
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The port number is an unsigned 16-bit integer, so 65535.
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Create a tar.xz in one command
...d remember to man tar :)
tar cfJ <archive.tar.xz> <files>
Edit 2015-08-10:
If you're passing the arguments to tar with dashes (ex: tar -cf as opposed to tar cf), then the -f option must come last, since it specifies the filename (thanks to @A-B-B for pointing that out!). In that case...
PDO mysql: How to know if insert was successful
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edited Sep 23 '11 at 21:05
shmeeps
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What is /dev/null 2>&1?
... /dev/null redirects standard output (stdout) to /dev/null, which discards it.
(The >> seems sort of superfluous, since >> means append while > means truncate and write, and either appending to or writing to /dev/null has the same net effect. I usually just use > for that reason.)...
“The file ”MyApp.app“ couldn't be opened because you don't have permission to view it” when running
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edited Jan 17 '16 at 13:19
Umar Farooq
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Is there a method for String conversion to Title Case?
Are there any built in methods available to convert a string into Title Case format?
21 Answers
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How to find patterns across multiple lines using grep?
...er, and those two strings are on different lines in that file. Eg: a file with content:
25 Answers
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What is the difference between background and background-color
...ly is a shorthand for
background-color
background-image
background-position
background-repeat
background-attachment
background-clip
background-origin
background-size
Thus, besides the background-color, using the background shorthand you could also add one or more values without repe...
Check for array not empty: any?
Is it bad to check if an array is not empty by using any? method?
6 Answers
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