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Python multiprocessing pool.map for multiple arguments
...s answer, which should probably have been accepted instead. But since this one is stuck at the top, it seemed best to improve it for future readers.
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Creating .pem file for APNS?
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Here is what I did, From:blog.boxedice.com and "iPhone Advanced Projects" chapter 10 byJoe Pezzillo.
With the aps_developer_identity.cer in the keychain:
Launch Keychain Access from your local Mac and from the login keychain, filter by the Certificates category. You will s...
Does JavaScript guarantee object property order?
... detail the design decisions behind Chrome's iteration order behavior.
Per one of the (rather opinionated) comments on that bug report:
Standards always follow implementations, that's where XHR came from, and Google does the same thing by implementing Gears and then embracing equivalent HTML5 fu...
View the Task's activity stack
...task being contacts with two activities, and behind that the launcher with one activity:
Activities in Current Activity Manager State:
* TaskRecord{44d07218 #4 A android.task.contacts}
clearOnBackground=true numActivities=2 rootWasReset=true
affinity=android.task.contacts
intent={act...
Convert Java Array to Iterable
...y of primitives, for example for int, int[] foo. It might be a small sized one, or not.
10 Answers
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How do I get the row count of a pandas DataFrame?
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There's one good reason why to use shape in interactive work, instead of len(df): Trying out different filtering, I often need to know how many items remain. With shape I can see that just by adding .shape after my filtering. With le...
Why can't Python find shared objects that are in directories in sys.path?
...e
syntax, a colon-separated list).
Update: to set LD_LIBRARY_PATH, use one of the following, ideally in your ~/.bashrc
or equivalent file:
export LD_LIBRARY_PATH=/usr/local/lib
or
export LD_LIBRARY_PATH=/usr/local/lib:$LD_LIBRARY_PATH
Use the first form if it's empty (equivalent to the em...
How do I force “git pull” to overwrite local files?
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I've done this and some local files that were no longer in repo were left on the disk.
– Piotr Owsiak
Apr 8 '11 at 16:00
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Rails: How do I create a default value for attributes in Rails activerecord's model? [duplicate]
... moved to before_validation, before_save, etc. Chances are that eventually one of the devs on your team will execute something like MyModel.all.each perhaps for bulk processing of some kind, and thus run this initialization logic MyModel.count num of times.
– Luke W
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What's a quick way to comment/uncomment lines in Vim?
...ts you easily comment, uncomment or toggle comments in your code.
As mentioned in the comments:
for anyone who is confused by the usage, default leader is "\" so 10\cc will comment ten lines and 10\cu will uncomment those ten lines
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