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How to save all the variables in the current python session?
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I know this answer is very old byt when I do this I have the following error: PicklingError: Can't pickle <built-in function raw_input>: it's not the same object as __builtin__.raw_input I just have 2 variables declared in...
Can I use my existing git repo with openshift?
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I know the question is 2-year old and the @adietisheim's answer has been accepted. I personally don't like to merge the openshift repo into my local clone because I don't want to mix the OpenShift repo into the master branch of ...
CSS way to horizontally align table
I want to show a table of fixed width at the center of browser window. Now I use
10 Answers
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How to detect if a script is being sourced
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If your Bash version knows about the BASH_SOURCE array variable, try something like:
# man bash | less -p BASH_SOURCE
#[[ ${BASH_VERSINFO[0]} -le 2 ]] && echo 'No BASH_SOURCE array variable' && exit 1
[[ "${BASH_SOURCE[0]}" != "$...
First-time database design: am I overengineering? [closed]
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1. Thanks, that's reassuring! 2 & 3. I still don't know how indexes work, it's something I have planned to read up on. If we ever have the "problem" of reaching a million records there will probably be a budget to hire experienced developers :P Thanks for the insight into diff...
Why doesn't the example compile, aka how does (co-, contra-, and in-) variance work?
...on is [A] rather than [+A]).
Note that there is another type of variance known as contravariance. This is very important as it explains why covariance can cause some issues. Contravariance is literally the opposite of covariance: parameters vary upward with subtyping. It is a lot less common par...
What's the difference between an inverted index and a plain old index?
...o find.
To address your inquiry, I don't think there's actually a way to know why the use is what it is today. The only reason it's important to define which is forward and which one is inverted is so that we can all have a conversation about them, and everyone knows which direction we're talking a...
Android Emulator: Installation error: INSTALL_FAILED_VERSION_DOWNGRADE
...here the version number was higher than the copy you're working with right now. In either case, either:
uninstall the currently installed copy
or open up your phone's Settings > Application Manager to determine the version number for the installed app, and increment your <manifest android:v...
What REALLY happens when you don't free after malloc?
This has been something that has bothered me for ages now.
17 Answers
17
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How can I swap positions of two open files (in splits) in vim?
..._|______|
| three |
| |
|__________________|
Now make either 'one' or 'two' the active window, then issue the command ctrl+w r. This 'rotates' the windows in the current row, leaving you with:
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| two | one |
| | |
|___________|...