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Margin-Top not working for span element?
...Block Level elements which can take up margin on all sides,span2 cannot as it's an Inline element which takes up margins horizontally only.
From the specification:
Margin properties specify the width of the margin area of a box. The
'margin' shorthand property sets the margin for all four sid...
Force git stash to overwrite added files
I have some files which were untracked in git. I made some changes and wanted to commit them, but realised I had forgotten to check in the unmodified files first. So I stashed the files, then added the unmodified versions.
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What's the difference between Invoke() and BeginInvoke()
...ol thread.
Control.Invoke: Executes on the UI thread, but calling thread waits for completion before continuing.
Control.BeginInvoke: Executes on the UI thread, and calling thread doesn't wait for completion.
Tim's answer mentions when you might want to use BeginInvoke - although it was mostly gea...
Run a single migration file
...s may require AddFoos.new.up rather than AddFoos.up.
An alternative way (without IRB) which relies on the fact that require returns an array of class names:
script/runner 'require("db/migrate/20090408054532_add_foos.rb").first.constantize.up'
Note that if you do this, it probably won't update th...
Add missing dates to pandas dataframe
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edited Oct 11 '13 at 18:36
answered Oct 11 '13 at 18:08
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Unix shell script to truncate a large file
I am trying to write a Unix script which will truncate/empty a file which is continuously being written/open by an application when it reaches say 3GB of space. I know that the below command would do it :
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Empty set literal?
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No, there's no literal syntax for the empty set. You have to write set().
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Append a NumPy array to a NumPy array
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edited Aug 2 '16 at 17:27
answered Mar 19 '12 at 18:01
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Linq to Entities join vs groupjoin
...n someone please explain (in simple English) what a GroupJoin is? How is it different from a regular inner Join ? Is it commonly used? Is it only for method syntax? What about query syntax? A c# code example would be nice.
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Permanently adding a file path to sys.path in Python
...s to create a my-paths.pth file (as described here). This is just a file with the extension .pth that you put into your system site-packages directory. On each line of the file you put one directory name, so you can put a line in there with /path/to/the/ and it will add that directory to the path....