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JavaScript DOM remove element
I'm trying to test if a DOM element exists, and if it does exist delete it, and if it doesn't exist create it.
5 Answers
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Determine if a function exists in bash
Currently I'm doing some unit tests which are executed from bash. Unit tests are initialized, executed and cleaned up in a bash script. This script usualy contains an init(), execute() and cleanup() functions. But they are not mandatory. I'd like to test if they are or are not defined.
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Python timedelta in years
...nce some date. Currently I've got timedelta from datetime module and I don't know how to convert it to years.
16 Answer...
Is it good practice to use java.lang.String.intern()?
The Javadoc about String.intern() doesn't give much detail. (In a nutshell: It returns a canonical representation of the string, allowing interned strings to be compared using == )
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How to convert SSH keypairs generated using PuTTYgen (Windows) into key-pairs used by ssh-agent and
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This answer was the key to getting ssh from the windows command line using passwordless keys for me (specifically for git access). Would have saved me hours of pain if I had seen it earlier! Thanks!
– cori
Jan 25 '13 at 12:20
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Lua string to int
...ly (lua.org/manual/5.3/manual.html): "A numeric constant with a fractional dot or an exponent denotes a float; otherwise it denotes an integer."
– Kevin Lee
Mar 19 '15 at 15:10
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Filling a DataSet or DataTable from a LINQ query result set
How do you expose a LINQ query as an ASMX web service? Usually, from the business tier, I can return a typed DataSet or DataTable which can be serialized for transport over ASMX.
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Generate colors between red and green for a power meter?
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(Amended for integer maths, tip of the hat to Ferrucio)
Another way to do would be to use a HSV colour model, and cycle the hue from 0 degrees (red) to 120 degrees (green) with whatever saturation and value suited you. This should give a more pleasing gradient.
Here's a demonstration of each te...
Handling the window closing event with WPF / MVVM Light Toolkit
...e Closing event (when a user clicks the upper right 'X' button) of my window in order to eventually display a confirm message or/and cancel the closing.
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Get all git commits since last tag
...essage, then
git log <yourlasttag>..HEAD --oneline
and in case you don't know your latest tag or want this to be dynamic, on windows you could do
for /f "delims=" %a in ('git describe --tags --abbrev^=0') do @set latesttag=%a
git log %latesttag%..HEAD --oneline
and on linux / git bash / w...