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JOIN two SELECT statement results
Is it possible to join the results of 2 sql SELECT statements in one statement?
I have a database of tasks where each record is a separate task, with deadlines (and a PALT , which is just an INT of days from start to deadline. Age is also an INT number of days.)
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What's the difference between parenthesis $() and curly bracket ${} syntax in Makefile?
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There's no difference – they mean exactly the same (in GNU Make and in POSIX make).
I think that $(round brackets) look tidier, but that's just personal preference.
(Other answers point to the relevant sections of the GNU Make documentation, and note that you shouldn't mix the sy...
Is there a CSS not equals selector?
Is there something like != (not equal) in CSS?
e.g, I have the following code:
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How make Eclipse/EGit recognize existing repository information after update?
After upgrading Eclipse from Helios to Indigo with EGit plugin 1.0.0, all my projects seem to have lost their metadata about their git repositories, respectively.
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Backporting Python 3 open(encoding=“utf-8”) to Python 2
I have a Python codebase, built for Python 3, which uses Python 3 style open() with encoding parameter:
6 Answers
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When to use valueChangeListener or f:ajax listener?
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The valueChangeListener will only be invoked when the form is submitted and the submitted value is different from the initial value. It's thus not invoked when only the HTML DOM change event is fired. If you would like to submit the...
What does java:comp/env/ do?
I just spent too much time of my day trying to figure out some errors when hooking up some JNDI factory bean. The problem turned out to be that instead of this...
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How to go up a level in the src path of a URL in HTML?
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Use .. to indicate the parent directory:
background-image: url('../images/bg.png');
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Ternary Operator Similar To ?:
I am trying to avoid constructs like this:
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What is the session's “secret” option?
I don't know anything about cryptography. I'm wondering what the session secret is.
3 Answers
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