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Is there any way to git checkout previous branch?
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1282
From the release notes for 1.6.2
@{-1} is a way to refer to the last branch you were on. ...
How to get a random value from dictionary in python
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14 Answers
14
Active
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HTTP error 403 in Python 3 Web Scraping
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213
This is probably because of mod_security or some similar server security feature which blocks k...
TreeMap sort by value
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179
You can't have the TreeMap itself sort on the values, since that defies the SortedMap specific...
Handler is abstract ,cannot be instantiated
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answered Nov 9 '13 at 6:25
GlennGlenn
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How do I get the current absolute URL in Ruby on Rails?
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How do you test to see if a double is equal to NaN?
... static Double.isNaN(double) method, or your Double's .isNaN() method.
// 1. static method
if (Double.isNaN(doubleValue)) {
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}
// 2. object's method
if (doubleObject.isNaN()) {
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}
Simply doing:
if (var == Double.NaN) {
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}
is not sufficient due to how the IEEE standard for ...
How to use MySQLdb with Python and Django in OSX 10.6?
This is a much discussed issue for OSX 10.6 users, but I haven't been able to find a solution that works. Here's my setup:
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How to create a cron job using Bash automatically without the interactive editor?
...ontab
crontab -l > mycron
#echo new cron into cron file
echo "00 09 * * 1-5 echo hello" >> mycron
#install new cron file
crontab mycron
rm mycron
Cron line explaination
* * * * * "command to be executed"
- - - - -
| | | | |
| | | | ----- Day of week (0 - 7) (Sunday=0 or 7)
| | | ------...
Case preserving substitute in Vim
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121
Use abolish.vim:
:%S/badjob/goodjob/g
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