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JavaScript for…in vs for
... There's always documentcloud.github.com/underscore which has _.each and a whole lot of other useful functions
– w00t
Nov 29 '11 at 11:01
...
Import CSV to SQLite
...swered Apr 3 '15 at 18:49
gyaani_guygyaani_guy
2,96577 gold badges3838 silver badges4747 bronze badges
...
Generate a random double in a range
...y correct, but beware of its limits. If you do double rangeMax= Double.MAX_VALUE; and double rangeMin= -rangeMax; you will always get an infinite value in return. You might want to check for Double.valueOf(rangeMax-rangeMin).isInfinite().
– lre
Apr 7 '14 at 1...
how to show lines in common (reverse diff)?
...u could also try with perl (credit goes here)
perl -ne 'print if ($seen{$_} .= @ARGV) =~ /10$/' file1 file2
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Cron and virtualenv
...e /path/to/virtualenv/bin/activate && /path/to/build/manage.py some_command > /dev/null
It's tricky to spot why this fails as /var/log/syslog doesn't log the error details. Best to alias yourself to root so you get emailed with any cron errors. Simply add yourself to /etc/aliases and ...
What's the point of JAXB 2's ObjectFactory classes?
...e(XhtmlStyleType value) {
return new JAXBElement<XhtmlStyleType>(_XhtmlHeadTypeStyle_QNAME, XhtmlStyleType.class, XhtmlHeadType.class, value);
}
This is how you get a <style> tag into a <head> tag:
ObjectFactory factory = new ObjectFactory();
XhtmlHtmlType html = factory.cre...
How to convert JSON to a Ruby hash
...
You could also use Rails' with_indifferent_access method so you could access the body with either symbols or strings.
value = '{"val":"test","val1":"test1","val2":"test2"}'
json = JSON.parse(value).with_indifferent_access
then
json[:val] #=> "tes...
In HTML I can make a checkmark with ✓ . Is there a corresponding X-mark?
... Not the comprehensive list, but a start at w3schools.com/tags/ref_symbols.asp
– Bill the Lizard
Apr 3 '09 at 0:44
5
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Real-world examples of recursion [closed]
... }
else{
System.out.println("\n" + indentation + "|_" +currentDirOrFile.getName());
indentation.append(" ");
for ( String currentFileOrDirName : currentDirOrFile.list()){
getPrivateDirectoryContent(currentDirOrFile + "\\" + currentFi...
Using Vim's persistent undo?
...eep undo history across sessions by storing it in a file
if has('persistent_undo')
let myUndoDir = expand(vimDir . '/undodir')
" Create dirs
call system('mkdir ' . vimDir)
call system('mkdir ' . myUndoDir)
let &undodir = myUndoDir
set undofile
endif
...