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what is the most efficient way of counting occurrences in pandas?
...ing up counting a specific value in a series. e.g. df.word.value_counts()['myword'] is about twice as fast as len(df[df.word == 'myword']).
– fantabolous
Mar 10 '15 at 13:35
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Why split the tag when writing it with document.write()?
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Saved me! When using document.write(<script>) my site was showing a blank screen. This worked.
– Tomas Gonzalez
Jun 27 '17 at 18:19
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Validate a username and password against Active Directory?
... // validate the credentials
bool isValid = pc.ValidateCredentials("myuser", "mypassword");
}
It's simple, it's reliable, it's 100% C# managed code on your end - what more can you ask for? :-)
Read all about it here:
Managing Directory Security Principals in the .NET Framework 3.5
MSDN d...
Keeping ASP.NET Session Open / Alive
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I use JQuery to perform a simple AJAX call to a dummy HTTP Handler that does nothing but keeping my Session alive:
function setHeartbeat() {
setTimeout("heartbeat()", 5*60*1000); // every 5 min
}
function heartbeat() {
$.get(
"/SessionHeartbeat.ashx",
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Express command not found
For some reason after installing Express globally on my machine with npm install -g express if I cd into a directory and try to run express I get the following error:
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Getting the location from an IP address [duplicate]
...e, and country of a visitor from their IP address, so that I can customize my web page according to their location. Is there a good and reliable way to do this in PHP? I am using JavaScript for client-side scripting, PHP for server-side scripting, and MySQL for the database.
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How can I check the size of a collection within a Django template?
I have a list in my Django template. I want to do something only if the size of the list is greater than zero.
7 Answers...
How would I extract a single file (or changes to a file) from a git stash?
...tash^! -- path/to/relevant/file/in/stash.ext perhaps/another/file.ext > my.patch
...then open the patch file in a text editor, alter as required, then do
git apply < my.patch
cambunctious's answer bypasses the interactivity by piping one command directly to the other, which is fine if you kn...
How to generate Javadoc HTML files in Eclipse?
I have written Javadoc style comments like this in my project's code:
4 Answers
4
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How can I disable editing cells in a WPF Datagrid?
...n Foundation, and I have a problem. When a user double-clicks on a cell in my datagrid, the cell goes into edit mode. I want to prevent that. Instead I want users to be able to select the full row - not edit values in it.
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