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Sample random rows in dataframe
...356774 -0.1640883
9 -0.3983045 0.7157506
10 -0.9060305 2.3234110
Then select some rows at random:
> df[sample(nrow(df), 3), ]
X1 X2
9 -0.3983045 0.7157506
2 -1.1334614 -0.1973846
10 -0.9060305 2.3234110
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Apache2: 'AH01630: client denied by server configuration'
...activity)
In activity monitor search for httpd which is the Apache service
Select the one that belongs to root and click X on the top left to close it.
At that point I immediately stopped getting 403 errors and everything started working as expected. Weird thing is i didn't even have to restart ap...
Microsoft Web API: How do you do a Server.MapPath?
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The selected answer did not work in my Web API application. I had to use
System.Web.HttpRuntime.AppDomainAppPath
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Formatting a number with leading zeros in PHP [duplicate]
... leading zeros for numbers less than 2 digits. Great for making a timezone SELECT in HTML.
– Volomike
Aug 8 '16 at 4:22
2
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Using jQuery to test if an input has focus
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jQuery 1.6+
jQuery added a :focus selector so we no longer need to add it ourselves. Just use $("..").is(":focus")
jQuery 1.5 and below
Edit: As times change, we find better methods for testing focus, the new favorite is this gist from Ben Alman:
jQuery.ex...
Why so red? IntelliJ seems to think every declaration/method cannot be found/resolved
...(Integer for example) and press ALT + ENTER (or click the light bulb icon)
select Setup JDK from the intentions menu
click on Configure
In my case, the JDK path was incorrect (pointed on /opt/jdk1.7.0_51 instead of /opt/jdk1.7.0_65)
Click on the ... and browse to the right JDK path
Let's...
View a list of recent documents in Vim
... sort files by those most recently modified. Then one simply calls :e. and selects the file one wants.
This solution presupposes files are saved in one main directory so specified in .gvimrc. E.g.
cd ~/vim
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Error message “No exports were found that match the constraint contract name”
...pData\Roaming.
Click the 'up' button to navigate to the parent folder and select the folder 'Local'.
Final path: C:\Users\<username>\AppData\Local\Microsoft\VisualStudio\11.0\ComponentModelCache
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AngularJS disable partial caching on dev machine
...ew.
A drop down menu symbol will appear next to "Net" (title of the view).
Select "Disable Browser Cache" from the drop down menu.
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How can I add a string to the end of each line in Vim?
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Ahhh... The second one can be used with a selection of lines too. Nice!
– Tim Fletcher
Oct 13 '11 at 16:03
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