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Check if a table exists in Rails
...ecord::Base.connection.data_source_exists? 'table_name' is the correct one now
– Dorian
Dec 30 '16 at 1:35
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Tmux vs. iTerm2 split panes
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FWIW, now iTerm2 can remember your opened sessions (even with the screen output). So it will reopen everything even after rebooting the computer.
– Aziz Alto
Dec 30 '16 at 4:52
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Why is an array not assignable to Iterable?
...rogress on similar things in newer versions of Java, I'd be interested to know in the comments! :)
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LEFT OUTER JOIN in LINQ
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Now as an extension method:
public static class LinqExt
{
public static IEnumerable<TResult> LeftOuterJoin<TLeft, TRight, TKey, TResult>(this IEnumerable<TLeft> left, IEnumerable<TRight> right, Fu...
Making button go full-width?
... btn-block is the attribute that saved me! Was pulling my hair out.. Now I go back and search twitter.github.io/bootstrap/base-css.html#buttons, that attribute was documented there - doh ;)
– GONeale
Apr 15 '13 at 1:50
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Include another HTML file in a HTML file
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@wizzwizz4: Thanks to Greg, the sed command now also escapes single quotes and backslashes. Furthermore, I've added a bash script that does all the work for you. :-)
– Tafkadasoh
Jan 15 '18 at 6:40
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Working copy XXX locked and cleanup failed in SVN
...th Tortoise/SVN 1.7 (or at least I couldn't find any lock file as there is now a centralised DB with the metadata).
– pesche
Oct 6 '11 at 6:59
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How can I check if a key is pressed during the click event with jQuery?
...7) { // ctrl
ctrlPressed = false;
}
});
See the list of key codes. Now you can check that:
$("button").click(function() {
if (ctrlPressed) {
// do something
} else {
// do something else
}
});
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How does “make” app know default target to build if no target is specified?
...s to the top of your make file:
.DEFAULT_GOAL := mytarget
mytarget will now be the target that is run if "make" is executed and no target is specified.
If you have an older version of make (<= 3.80), this won't work. If this is the case, then you can do what anon mentions, simply add this to ...
What is an idempotent operation?
...e HTTP itself) of why PUT can be resent without worries while POST cannot. Now it appears that we are simply required to conform to the HTTP standards and the behaviour is totally based on how the server is implemented
– mangusta
Feb 22 at 6:11
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