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R: Comment out block of code [duplicate]
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In Emacs you can also use M-x comment-region. Didn't know about C-x r, thanks!
– Sacha Epskamp
Feb 2 '12 at 8:11
22
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SQL command to display history of queries
...ation files (e.g. edit /etc/mysql/my.cnf, then restart to apply changes).
Now, if you'd like you can tail -f /var/log/mysql/mysql.log
More info here: Server System Variables
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using lodash .groupBy. how to add your own keys for grouped output?
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Using _.chain is considered a bad practice now.
– Pawel
Jan 5 '18 at 13:18
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Remove leading zeros from a number in Javascript [duplicate]
...mber.MAX_SAFE_INTEGER).
console.log(Number.MAX_SAFE_INTEGER);
Now, lets consider the number string '099999999999999999999' and try to convert it using the above methods
const numString = '099999999999999999999';
let parsedNumber = parseInt(numString, 10);
console.log(`parseInt(...
How do I get the RootViewController from a pushed controller?
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For all who are interested in a swift extension, this is what I'm using now:
extension UINavigationController {
var rootViewController : UIViewController? {
return self.viewControllers.first
}
}
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ERROR 2003 (HY000): Can't connect to MySQL server on '127.0.0.1' (111)
...ed out that line, saved the file, and then ran service mysql restart. And now it works!
– Ryan
Jan 20 '14 at 17:59
In...
Turn off textarea resizing
I'm trying to turn off textarea resizing in my site; right now I'm using this method:
8 Answers
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How to check Django version
...jango for our application. So I have two versions of Python, 2.6 and 2.7. Now I have installed Django. I could run the sample application for testing Django succesfuly. But how do I make sure whether Django uses the 2.6 or 2.7 version and what version of modules Django uses?
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How can I show dots (“…”) in a span with hidden overflow?
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span {
display: inline-block;
width: 180px;
white-space: nowrap;
overflow: hidden !important;
text-overflow: ellipsis;
}
<span>Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever s...
Searching if value exists in a list of objects using Linq
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I know this is an old question but why aren't we making use of the Exists method? Seeing as it is made to see if things exist.
– Blackunknown
Jul 9 '14 at 9:29
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