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Shell script to delete directories older than n days
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-type d: only find directories
-ctime +10: only consider the ones with modification time older than 10 days
-exec ... \;: for each such result found, do the following command in ...
rm -rf {}: recursively force remove the directory; the {} part is where the find result gets substituted into from th...
What is routes.IgnoreRoute(“{resource}.axd/{*pathInfo}”)
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Some Background
If you open up this file:
%WINDIR%\Microsoft.NET\Framework\version\Config\Web.config
you will find this within the file:
<add path="WebResource.axd"
verb="GET"
type="System.Web.Handlers.AssemblyResourceLoader...
Determining memory usage of objects? [duplicate]
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also, if one wants the total memory used by an R session, one can do object.size(x=lapply(ls(), get)) and print(object.size(x=lapply(ls(), get)), units="Mb")
– tflutre
Feb 27 '13 at 3:09
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Where to place the 'assets' folder in Android Studio?
...t), and so your primary assets would go in app/src/main/assets/. However:
If you need assets specific to a build type, such as debug versus release, you can create sourcesets for those roles (e.g,. app/src/release/assets/)
Your product flavors can also have sourcesets with assets (e.g., app/src/go...
Increment a value in Postgres
...teger) in a field in a postgres table and increment it by one. For example if the table 'totals' had 2 columns, 'name' and 'total', and Bill had a total of 203, what would be the SQL statement I'd use in order to move Bill's total to 204?
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Check, using jQuery, if an element is 'display:none' or block on click
...hidden');
visibleElements = $(':visible');
To check particular element.
if($('#yourID:visible').length == 0)
{
}
Elements are considered visible if they consume space in the document.
Visible elements have a width or height that is greater than zero,
Reference
You can also use is() wi...
What is %2C in a URL?
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If you write encodeURIComponent(",") in your JavaScript console, then you will also get %2C. And with decodeURIComponent("%2C") you will get back the ,.
– Benny Neugebauer
Jun 17 '15 at ...
Change x axes scale in matplotlib
...klabel_format(style='sci', axis='x', scilimits=(0,0))
This applies scientific notation (i.e. a x 10^b) to your x-axis tickmarks
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How do I write a correct micro-benchmark in Java?
...2: Always run with -XX:+PrintCompilation, -verbose:gc, etc., so you can verify that the compiler and other parts of the JVM are not doing unexpected work during your timing phase.
Rule 2.1: Print messages at the beginning and end of timing and warmup phases, so you can verify that there is no outpu...
When and why to 'return false' in JavaScript?
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This is particularly good if you want an AJAX form that submits without reloading the page - but also works by submitting and reloading the page when javascript is not available.
– Dean Rather
May 13 '09 at 1:50
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