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get list of pandas dataframe columns based on data type
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this doesn't work if all your dataframe columns are returning object type, regardless of their actual contents
– user5359531
Jul 17 '17 at 23:46
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How can I save application settings in a Windows Forms application?
...e the exe is instead of the one in the user's AppData folder. No, not generally good, but I use it during development to use the same settings from compile to compile (w/o it, they go new unique user folders with each compile).
– minnow
Sep 13 '12 at 22:55
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Change SQLite database mode to read-write
...e FAQ).
There is a plugin to compress and encrypt the database. It doesn't allow to modify the DB.
Lastly, another FAQ says: "Make sure that the directory containing the database file is also writable to the user executing the CGI script." I think this is because the engine needs to create more file...
Error to run Android Studio
I have installed Android Studio and I followed all steps described here
17 Answers
17...
Bootstrap 3 - Why is row class is wider than its container?
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In all grid systems, there are gutters between each column. Bootstrap's system sets a 15px padding on both the left and the right of each column to create this gutter.
The issue is that the first column should not have half a g...
Unfortunately MyApp has stopped. How can I solve this?
... put FATAL EXCEPTION (i.imgur.com/HpELhaU.png) so in this Box you can read all Exceptions which are throw by your application. With this you don't need to clear logcat and do the crash again. I think Android Studio have this option too.
– Marco Acierno
Jun 14 '...
What does the property “Nonatomic” mean?
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Take a look at the Apple Docs.
Basically, if you say nonatomic, and you generate the accessors using @synthesize, then if multiple threads try to change/read the property at once, badness can happen. You can get partially-written values or over-released/retaine...
How to terminate a window in tmux?
... This works fine: Ctrl+b &, note, that you have to confirm with y to really kill the current window incluning all panes in that window. You will get be placed inside the window that you used last before that.
– rubo77
Sep 1 '16 at 5:02
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Can't update Macports (with Mac OS X Mavericks)
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Install the "Command Line Tools" first:
sudo xcode-select --install
(Explicitly agreeing to the license is sometimes necessary via "sudo xcodebuild -license")
Then upgrade the ports:
sudo port -v selfupdate
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Random / noise functions for GLSL
As the GPU driver vendors don't usually bother to implement noiseX in GLSL, I'm looking for a "graphics randomization swiss army knife" utility function set, preferably optimised to use within GPU shaders. I prefer GLSL, but code any language will do for me, I'm ok with translating it on my own ...