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Efficient way to apply multiple filters to pandas DataFrame or Series
... performance benefit/trade off of passing in array via out() vs. using the one returned from logical_and()? Thanks again!
– durden2.0
Nov 29 '12 at 14:30
...
Listing all extras of an Intent
... keys that was provided in this undocumented iTracing app, to control my phone via a cheap Bluetooth button. Worked like a charm!
– Shane Smiskol
Jul 23 '17 at 1:57
...
Android Studio marks R in red with error message “cannot resolve symbol R”, but build succeeds
...: android:layout_bottom="@id/my_list" Simply switching from this line from one fragment to use layout_top on another fragment.
– Mingsheng
Jul 8 '15 at 14:47
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How do I convert from BLOB to TEXT in MySQL?
...ERT(column USING utf8) will return a column with the name CONVERT(...). If one would like to avoid this, don't forget using CONVERT(column USING utf8) AS column. This will rename the column to column.
– Parm
Sep 18 at 22:25
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How do you comment out code in PowerShell?
...ion, with backticks to put each paremeter on a new line, and commented out one of them ( -Bcc ) and it caused an error on the next line ( -Body : The term '-Body' is not recognized as the name of a cmdlet ...) So it seems commenting out a line in the middle of a call to a function is not supported....
Error in plot.new() : figure margins too large in R
...s not sufficiently large enough to contain just the default margins, let alone a plot.
Before the line causing the problem try:
par(mar = rep(2, 4))
then plot the second image
image(as.matrix(leg),col=cx,axes=T)
You'll need to play around with the size of the margins on the par() call I show ...
Moment.js - how do I get the number of years since a date, not rounded up?
...It's checking if the person has had their birthday this year and subtracts one year otherwise.
// date is the moment you're calculating the age of
var now = moment().unix();
var then = date.unix();
var diff = (now - then) / (60 * 60 * 24 * 365);
var years = Math.floor(diff);
Edit: First version d...
What is a difference between
...s to be accessed through a reference of type Number[].
So, as you can see, one thing is the actual type of the object, and another thing is the type of the reference that you use to access it, right?
The Problem with Java Generics
Now, the problem with Java generic types is that the type information...
Android: How can I get the current foreground activity (from a service)?
...an event occurs (in the service). Is there a easy way to do that (like the one I suggested above)?
Send a broadcast Intent to the activity -- here is a sample project demonstrating this pattern
Have the activity supply a PendingIntent (e.g., via createPendingResult()) that the service invokes
Hav...
How to re-raise an exception in nested try/except blocks?
... plan_B()
except AlsoFailsError:
raise e # or raise e from None - see below
The traceback produced will include an additional notice that SomeError occurred while handling AlsoFailsError (because of raise e being inside except AlsoFailsError). This is misleading because what actually...