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How to append something to an array?
...much this has changed in the past four years. (jsperf would be handy right now.)
– Paul Draper
May 26 '14 at 20:07
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Using an SSH keyfile with Fabric
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Another cool feature available as of Fabric 1.4 - Fabric now supports SSH configs.
If you already have all the SSH connection parameters in your ~/.ssh/config file, Fabric will natively support it, all you need to do is add:
env.use_ssh_config = True
at the beginning of your fa...
Setting Environment Variables for Node to retrieve
...ID and USER_KEY from either process.env or some specificed file on disk.
Now, the magic happens when you run the application.
USER_ID=239482 USER_KEY=foobar node app.js
That will pass the user id 239482 and the user key as foobar. This is suitable for testing, however for production, you will pr...
How to upgrade PowerShell version from 2.0 to 3.0
...staller, it says "This update is not applicable to your computer. " and I know from checking version that I am still on PowerShell 2.
– Shiva
Sep 3 '15 at 20:52
2
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There is already an open DataReader associated with this Command which must be closed first
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I have had this error so many times now... and every time I forget! The answer to the question is always to use ToList().
– Cheesus Toast
Jul 21 '15 at 19:24
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Number of days between two NSDates [duplicate]
...:[NSTimeZone timeZoneForSecondsFromGMT:0]];" before "rangeOfUnit" methods, now it works correctly for me (local timezone of running environment is set to +4:30 GMT)!
– Majid
Apr 2 '15 at 22:37
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Linux equivalent of the Mac OS X “open” command [closed]
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gnome-open is now deprecated, and besides it was already used internally by xdg-open if the user was on Gnome (now it uses gvfs-open)
– MestreLion
Sep 11 '12 at 21:38
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Visibility of global variables in imported modules
...'from module1 import f', then f would come in global namespace of main.py. Now in main.py if we use f(), then since a=3 and f (function definition) are both in globalnamespace of main. Is this a solution? If I am wrong then please can you direct me to any article on this subject please
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Getting the name of the currently executing method
...at a lot of work has gone into making HotSpot very reliable. You need to know, though, in case you want your code to not rely on the behavior of a specific JVM.
– Thorbjørn Ravn Andersen
Apr 15 '13 at 8:53
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Convert between UIImage and Base64 string
Does anyone know how to convert a UIImage to a Base64 string, and then reverse it?
24 Answers
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