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How can I handle R CMD check “no visible binding for global variable” notes when my ggplot2 syntax i
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Adding IN clause List to a JPA Query
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How to compute the sum and average of elements in an array?
...ements.length||1);
Understand Javascript Array Reduce in 1 Minute
http://www.airpair.com/javascript/javascript-array-reduce
as gotofritz pointed out seems Array.reduce skips undefined values.
so here is a fix:
(function average(arr){var finalstate=arr.reduce(function(state,a) { state.sum+=a;sta...
How do you use window.postMessage across domains?
...
Probably you try to send your data from mydomain.com to www.mydomain.com or reverse, NOTE you missed "www". http://mydomain.com and http://www.mydomain.com are different domains to javascript.
share
...
How to go up a level in the src path of a URL in HTML?
...server any place other than the specified web folders.
Eg. does not work: www.mywebsite.com/../images
As a workaround, I use Symlinks:
Go to the directory of www.mywebsite.com
Run the command ln -s ../images images
Now www.mywebsite.com/images will point to www.mywebsite.com/../images
...
Where do I find the current C or C++ standard documents?
...nsi.c.txt)
C90 TC1; ISO/IEC 9899 TCOR1, single-page HTML document: (http://www.open-std.org/jtc1/sc22/wg14/www/docs/tc1.htm)
C90 TC2; ISO/IEC 9899 TCOR2, single-page HTML document: (http://www.open-std.org/jtc1/sc22/wg14/www/docs/tc2.htm)
Print versions of the standard
Print copies of the standar...
Web scraping with Python [closed]
...ould be something like:
from pyquery import *
html = PyQuery(url='http://www.example.com/')
trs = html('table.spad tbody tr')
for tr in trs:
tds = tr.getchildren()
print tds[1].text, tds[2].text
Output:
5:16 AM 9:28 PM
5:15 AM 9:30 PM
5:13 AM 9:31 PM
5:12 AM 9:33 PM
5:11 AM 9:34 PM
5:10 AM...
Compiling Java 7 code via Maven
... had the same problem and to solve this I follow this blog article: http://www.mkyong.com/java/how-to-set-java_home-environment-variable-on-mac-os-x/
$ vim .bash_profile
export JAVA_HOME=$(/usr/libexec/java_home)
$ source .bash_profile
$ echo $JAVA_HOME
/Library/Java/JavaVirtualMachines/1.7.0.j...
Postgresql: Conditionally unique constraint
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Creating an official github mirror
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