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How to detect shake event with android?
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From the code point of view, you need to implement the SensorListener:
public class ShakeActivity extends Activity implements SensorListener
You will need to acquire a SensorManager:
sensorMgr = (SensorManager) getSystemS...
libpng warning: iCCP: known incorrect sRGB profile
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Libpng-1.6 is more stringent about checking ICC profiles than previous versions. You can ignore the warning. To get rid of it, remove the iCCP chunk from the PNG image.
Some applications treat warnings as errors; if you are using such an application you do have to remove th...
Why is it impossible to build a compiler that can determine if a C++ function will change the value
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Why is it impossible to build such a compiler?
For the same reason that you can't write a program that will determine whether any given program will terminate. This is known as the halting problem, and it's one of those things that's not computable.
To be clear, you can ...
How to create named and latest tag in Docker?
...output from the build.
SO I'm using this small BASH script:
#!/bin/bash
set -o pipefail
IMAGE=...your image name...
VERSION=...the version...
docker build -t ${IMAGE}:${VERSION} . | tee build.log || exit 1
ID=$(tail -1 build.log | awk '{print $3;}')
docker tag $ID ${IMAGE}:latest
docker images...
How to make grep only match if the entire line matches?
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Simply specify the regexp anchors.
grep '^ABB\.log$' a.tmp
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How do you force a CIFS connection to unmount
...d=mine //192.168.0.111/serv_share /mnt/my_share
where serv_share is that set up and pointed to in the smb.conf file.
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Average of 3 long integers
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This code will work, but isn't that pretty.
It first divides all three values (it floors the values, so you 'lose' the remainder), and then divides the remainder:
long n = x / 3
+ y / 3
+ z / 3
+ ( x % 3
+ y % 3
+ z % ...
How to redirect 'print' output to a file using python?
... actions to a file.
A simple example
Import logging, get the logger, and set the processing level:
import logging
logger = logging.getLogger()
logger.setLevel(logging.DEBUG) # process everything, even if everything isn't printed
If you want to print to stdout:
ch = logging.StreamHandler()
ch.s...
How do I delete unpushed git commits?
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Delete the most recent commit, keeping the work you've done:
git reset --soft HEAD~1
Delete the most recent commit, destroying the work you've done:
git reset --hard HEAD~1
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How to fix Git error: object file is empty?
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I had a similar problem. My laptop ran out of battery during a git operation. Boo.
I didn't have any backups. (N.B. Ubuntu One is not a backup solution for git; it will helpfully overwrite your sane repository with your corrupted one.)
To the git wizards, if this wa...