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What's the fastest way to merge/join data.frames in R?
... NA NA
1 merge 1 1.17 3.441176 1.10 0.04 NA NA
4 sqldf 1 3.34 9.823529 3.24 0.04 NA NA
The output from the benchmark call comparing the aggregate calculations are:
test replications elapsed rel...
AngularJS - Value attribute on an input text box is ignored when there is a ng-model used?
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edited Dec 6 '17 at 15:04
Springer F
10.7k33 gold badges2727 silver badges4343 bronze badges
answered...
In C#, should I use string.Empty or String.Empty or “” to intitialize a string?
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edited Dec 22 '11 at 12:04
Otiel
16.9k1313 gold badges6868 silver badges119119 bronze badges
answered ...
Redis connection to 127.0.0.1:6379 failed - connect ECONNREFUSED
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I used ubuntu 12.04
I solved that problem by installing redis-server
redis-server installation for ubuntu 12.04
some configuration will new root permission
Also listed manuals for other OS
Thanks
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getMinutes() 0-9 - How to display two digit numbers?
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204
Yikes these answers aren't great, even the top post upticked. Here y'go, cross-browser and clea...
How to add one day to a date? [duplicate]
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edited Dec 30 '17 at 18:04
hnefatl
5,13322 gold badges2121 silver badges3737 bronze badges
answered No...
HTTPS and SSL3_GET_SERVER_CERTIFICATE:certificate verify failed, CA is OK
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Source: http://ademar.name/blog/2006/04/curl-ssl-certificate-problem-v.html
Curl: SSL certificate problem, verify that the CA cert is OK
07 April 2006
When opening a secure url with Curl you may get the following error:
SSL certificate problem...
Set Matplotlib colorbar size to match graph
... to the plot, no matter what size the display.
plt.colorbar(im,fraction=0.046, pad=0.04)
It also does not require sharing the axis which can get the plot out of square.
share
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improve this answ...
How to write to an existing excel file without overwriting data (using pandas)?
....sheets for?
– BP_
Nov 26 '13 at 16:04
5
ExcelWriter for some reason uses this variable to access...
Color picker utility (color pipette) in Ubuntu [closed]
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Unfortunately gpick isn't in repositories in my 11.04 (natty), but is possible download deb package from code.google.com/p/gpick
– leninzprahy
Apr 23 '12 at 14:19
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