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C++ valarray vs. vector
... performance benefit when using std::valarray for simple math, but not for my implementations to calculate standard deviation (and, of course, standard deviation isn't that complex, as far as math goes). I suspect that operations on each item in a large std::vector play better with caches than oper...
Trigger a keypress/keydown/keyup event in JS/jQuery?
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@cloak: it works. Check my comment here for a complete selector to fix asp.net controls: codeproject.com/Tips/269388/… Make sure you call it after you insert anything in the dom if using Ajax.
– Dan Randolph
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Open Redis port for remote connections
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1- Comment out bind 127.0.0.1
2- Change protected-mode to no
3- Protect my server with iptables (https://www.digitalocean.com/community/tutorials/how-to-implement-a-basic-firewall-template-with-iptables-on-ubuntu-14-04)
s...
How to remove “onclick” with JQuery?
...erty
Suppose you added your click event inline, like this :
<button id="myButton" onclick="alert('test')">Married</button>
Then, you can remove the event like this :
$("#myButton").prop('onclick', null); // Removes 'onclick' property if found
Removing click event listeners
Suppose you...
How to beautify JSON in Python?
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Try underscore-cli:
cat myfile.json | underscore print --color
It's a pretty nifty tool that can elegantly do a lot of manipulation of structured data, execute js snippets, fill templates, etc. It's ridiculously well documented, polished, and r...
Which characters need to be escaped when using Bash?
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FYI bash's %q was broken for a long time - If my mind serves me well, an error was fixed (but might still be broken) in 2013 after being broken for ~10 years. So don't rely on it.
– Jo So
Feb 3 '17 at 17:36
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How to select rows from a DataFrame based on column values?
... In fact, df[df['colume_name']==some_value] also works. But my first attempt, df.where(df['colume_name']==some_value) does not work... not sure why...
– szli
Jun 12 '13 at 18:12
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Invalid date format specification in gemspec
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I have fixed this issue by upgrading my RubyGems to 1.8.10 with
gem update --system
Edit: You can also try (as suggested by ZeissS)
gem install rubygems-update
update_rubygems
share...
How to configure an existing git repo to be shared by a UNIX group
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This is pretty close to what I was doing on my own, but I wanted to get some external confirmation. Thanks. :) I was also hoping there would be a git clone --shared=group sort of thing, but clone's --shared option does something completely different.
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How to escape braces (curly brackets) in a format string in .NET
...ic";
string templateString = $@"<h2>{0}</h2><div>this is my {localVar} template using a {{{{custom tag}}}}</div>";
string result = string.Format(templateString, "String Interpolation");
// OUTPUT: <h2>String Interpolation</h2><div>this is my dynamic templat...