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Deleting rows with MySQL LEFT JOIN
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Start ssh-agent on login
... main piece of the solution below:
This solution from Joseph M. Reagle by way of Daniel Starin:
Add this following to your .bash_profile
SSH_ENV="$HOME/.ssh/agent-environment"
function start_agent {
echo "Initialising new SSH agent..."
/usr/bin/ssh-agent | sed 's/^echo/#echo/' >...
Method can be made static, but should it?
...ess when it is treated with disrespect. Do not tell me what to be offended by - that's my choice, not yours. Learn how to make your point with respect and integrity. Thank you.
– Jeff Yates
Feb 21 '17 at 0:54
...
Large Numbers in Java
...ng the (though obvious for most, I guess) inherit performance hit incurred by the use of the BigInteger class if you plan to do calculations with that.
– haylem
Feb 29 '12 at 0:43
...
Formatting “yesterday's” date in python
...
To expand on the answer given by Chris
if you want to store the date in a variable in a specific format, this is the shortest and most effective way as far as I know
>>> from datetime import date, timedelta
>>> yeste...
Zero-pad digits in string
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How do you run a single query through mysql from the command line?
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@tinybyte Assuming Linux: Insinde doublequotes the asterisk * gets expanded to all files in the current directory, while this expansion does not happen in singlequotes, thats the reason why. Doublequotes will work for quesries wit...
Showing a different background colour in Vim past 80 characters
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One question, while I can set the colour properly by typing :hi colorcolumn ... it doesn't seem to work when I put it in my .vimrc. Do you know know how to do that?
– robbrit
Apr 4 '12 at 16:18
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python numpy machine epsilon
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Creating a left-arrow button (like UINavigationBar's “back” style) on a UIToolbar
... property of the toolbar item.
Works well for me.
Edit: As pointed out by PrairieHippo, maralbjo found that using the following, simple code did the trick (requires custom image in bundle) should be combined with this answer. So here is additional code:
// Creates a back button instead of defau...