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Postgres NOT in array
...3 != all (recipient_ids)
From the fine manual:
9.21.4. ALL (array)
expression operator ALL (array expression)
The right-hand side is a parenthesized expression, which must yield an array value. The left-hand expression is evaluated and compared to each element of the array using the giv...
Associative arrays in Shell scripts
...ld work in bash 4.0 (available now on most major distros, though not on OS X unless you install it yourself), ksh, and zsh:
declare -A newmap
newmap[name]="Irfan Zulfiqar"
newmap[designation]=SSE
newmap[company]="My Own Company"
echo ${newmap[company]}
echo ${newmap[name]}
Depending on the shell...
Creating a daemon in Linux
In Linux I want to add a daemon that cannot be stopped and which monitors filesystem changes.
If any changes are detected, it should write the path to the console where it was started plus a newline.
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Get name of currently executing test in JUnit 4
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Apparently newer versions of JUnit execute @Rule before @Before - I'm new to JUnit and was depending on TestName in my @Before without any difficulties.
– MightyE
Apr 16 '10 at 11:36
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Failed to allocate memory: 8
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One more fix to add. Sometimes, setting RAM to lower values doesn't work. It that case, try to launch emulator from commandline with something like emulator-x86 -avd <your_avd_name>
– Mykhailo Gaidai
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What is token-based authentication?
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I think it's well explained here -- quoting just the key sentences of the long article:
The general concept behind a
token-based authentication system is
simple. Allow users to enter their
username and password in order to
obtain a ...
Can't resize UIView in IB
...bly something simple, but I can't figure why I cannot resize a UIView in a xib in Interface Builder.
9 Answers
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When does a process get SIGABRT (signal 6)?
...s which detect an internal error or some seriously broken constraint. For example malloc() will call abort() if its internal structures are damaged by a heap overflow.
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jQuery Event : Detect changes to the html/text of a div
I have a div which has its content changing all the time , be it ajax requests , jquery functions , blur etc etc.
12 An...
How to create a colored 1x1 UIImage on the iPhone dynamically?
I would like to create a 1x1 UIImage dynamically based on a UIColor.
6 Answers
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