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dplyr: “Error in n(): function should not be called directly”
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120
I presume you have dplyr and plyr loaded in the same session. dplyr is not plyr. ddply is not a...
ImportError: numpy.core.multiarray failed to import
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26 Answers
26
Active
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How to find and turn on USB debugging mode on Nexus 4
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327
Solution
To see the option for USB debugging mode in Nexus 4 or Android 4.2 or higher OS, do t...
How do I get around type erasure on Scala? Or, why can't I get the type parameter of my collections?
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242
This answer uses the Manifest-API, which is deprecated as of Scala 2.10. Please see answers b...
Cross-browser testing: All major browsers on ONE machine
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Safari
Adobe Flash Player
Download summary
Sandboxie
Part 2: Installation and configuration
Internet Explorer
Firefox
Opera
Chrome
Safari
Developer tools (and shortcuts)
Measured set-up time and disk space
Time needed per browser (install & config)
Opt...
How to import Google Web Font in CSS file?
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392
Use the @import method:
@import url('https://fonts.googleapis.com/css?family=Open+Sans&disp...
Seeing escape characters when pressing the arrow keys in python shell
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23 Answers
23
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Git Extensions: Win32 error 487: Couldn't reserve space for cygwin's heap, Win32 error 0
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232
Cygwin uses persistent shared memory sections, which can on occasion become corrupted. The sym...
Quickest way to compare two generic lists for differences
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12 Answers
12
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How do you clear the focus in javascript?
...you want, use document.activeElement.blur()
If you need to support Firefox 2, you can also use this:
function onElementFocused(e)
{
if (e && e.target)
document.activeElement = e.target == document ? null : e.target;
}
if (document.addEventListener)
document.addEventListene...