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Calling startActivity() from outside of an Activity?
...uirement is now enforced
With Android 9, you cannot start an activity from a non-activity
context unless you pass the intent flag FLAG_ACTIVITY_NEW_TASK. If you
attempt to start an activity without passing this flag, the activity
does not start, and the system prints a message to the log....
How much faster is Redis than mongoDB?
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Rough results from the following benchmark: 2x write, 3x read.
Here's a simple benchmark in python you can adapt to your purposes, I was looking at how well each would perform simply setting/retrieving values:
#!/usr/bin/env python2.7
im...
Is there a numpy builtin to reject outliers from a list
...m is sufficiently large (e.g. m=6), but for small values of m this suffers from the mean the variance not being robust estimators.
– Benjamin Bannier
May 15 '13 at 9:53
31
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Adjust width and height of iframe to fit with content in it
...tuck with the DOM outside the iFrame (and couldn't pick up an event coming from inside the iFrame).
The solution came from discovering (via assistance from a colleague) that jQuery can be told what DOM to use. In this case, the DOM of the parent window.
As such, code such as this does what you nee...
Store output of subprocess.Popen call in a string
...process.check_output() function to store output of a command in a string:
from subprocess import check_output
out = check_output(["ntpq", "-p"])
In Python 2.4-2.6
Use the communicate method.
import subprocess
p = subprocess.Popen(["ntpq", "-p"], stdout=subprocess.PIPE)
out, err = p.communicate(...
Continuously read from STDOUT of external process in Ruby
I want to run blender from the command line through a ruby script, which will then process the output given by blender line by line to update a progress bar in a GUI. It's not really important that blender is the external process whose stdout I need to read.
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implements Closeable or implements AutoCloseable
...y-with-resources, but also allows throwing more general checked exceptions from close().
When in doubt, use AutoCloseable, users of your class will be grateful.
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Lost connection to MySQL server at 'reading initial communication packet', system error: 0
...to the loop-back IP (127.0.0.1 / localhost) which effectively cuts you off from connecting from "outside".
If this is the case, you need to upload the script to the webserver (which is probably also running the MySQL server) and keep your server host as 'localhost'
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How to remove text from a string?
...in('No');
This will replace all the occurrences of that specific string from original string.
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Java Enum definition
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It means that the type argument for enum has to derive from an enum which itself has the same type argument. How can this happen? By making the type argument the new type itself. So if I've got an enum called StatusCode, it would be equivalent to:
public class StatusCode extends...