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How to set the first option on a select box using jQuery?
...s some other value or if no option in the SELECT box has a value of blank, then this won't affect any change. Or, if some other option has a value of blank, it will select that option instead.
– HBlackorby
Jun 15 '15 at 14:27
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CardView layout_width=“match_parent” does not match parent RecyclerView width
...In your onCreateViewHolde once you get card view, get the screen width and then set the layout param accordingly for card view.
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Openstreetmap: embedding map in webpage (like Google Maps)
...n https://www.openstreetmap.org
On the right side, click the "Share" icon, then click "HTML"
Copy the resulting iframe code directly into your webpage. It should look like this:
<iframe width="425" height="350" frameborder="0" scrolling="no" marginheight="0" marginwidth="0"
src="https://w...
How to use null in switch
...se statement. How can I do this differently?
I can't use default because then I want to do something else.
12 Answers
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converting a .net Func to a .net Expression
... It was the call.Target part that was killing me. It worked for years, and then suddenly stopped working and started complaining about a static/non-static blah blah. Anyway, thanks!
– Eli Gassert
Nov 23 '16 at 8:42
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How do I REALLY reset the Visual Studio window layout?
...told that VS had become unstable. When I restarted, my window layout would then be totally screwed. I tried restoring the VS current user settings in the registry from a backup, but that didn't help. However, restoring CurrentSettings.vssettings seems to have cured it.
There seems to be a bunch of...
How do I find the width & height of a terminal window?
... print the number of rows and columns, or height and width, respectively.
Then you can use either cut or awk to extract the part you want.
That's stty size | cut -d" " -f1 for the height/lines and stty size | cut -d" " -f2 for the width/columns
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Where does gcc look for C and C++ header files?
...c1plus` -v
This command asks gcc which C++ preprocessor it is using, and then asks that preprocessor where it looks for includes.
You will get a reliable answer for your specific setup.
Likewise, for the C preprocessor:
`gcc -print-prog-name=cpp` -v
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What is the correct syntax for 'else if'?
...e. I find it weird that python places such an elphisise on readbility and then goes and use elkif instead of else it. I suggest keeping the python API manual open at all times: docs.python.org/3.1 the important links are Tutorial: docs.python.org/3.1/tutorial/index.html Language reference: docs.pyt...
Remove columns from dataframe where ALL values are NA
...c(1,2,1,3,4,NA,NA,9),
var3 = c(NA)
)
then you can use apply() to see which columns fulfill your condition and so you can simply do the same subsetting as in the answer by Musa, only with an apply approach.
> !apply (is.na(df), 2, all)
var1 var2 var3
TRU...