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Convert duration to hours:minutes:seconds (or similar) in Rails 3 or Ruby
...s. You can create a new file called pretty_duration.rb in the initializers folder:
class Integer
def pretty_duration
parse_string =
if self < 3600
'%M:%S'
else
'%H:%M:%S'
end
Time.at(self).utc.strftime(pa...
LINUX: Link all files from one to another directory [closed]
...
will it point to the other folder permanently?
– nmkyuppie
Aug 22 '13 at 8:51
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Reset all changes after last commit in git
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@RobertSiemer Actually, it can! If you have any folders composed entirely of ignored files it will remove those folders thus deleting ignored files. Consider a .gitignore file like the one here: stackoverflow.com/q/25554504/456645. In this example, assume some folders ha...
Docker, mount volumes as readonly
I am working with Docker, and I want to mount a dynamic folder that changes a lot (so I would not have to make a Docker image for each execution, which would be too costly), but I want that folder to be read-only. Changing the folder owner to someone else works. However, chown requires root acce...
Android: Background Image Size (in Pixel) which Support All Devices
...nts, this resolution is meant for upscaling launcher icons only (so mipmap folder only) ... You should not use the xxxhdpi qualifier for UI elements other than the launcher icon. ... although eg. on the Samsung edge 7 calling getDisplayMetrics().density returns 4 (xxxhdpi), so perhaps this info is o...
Batch Renaming of Files in a Directory
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I have this to simply rename all files in subfolders of folder
import os
def replace(fpath, old_str, new_str):
for path, subdirs, files in os.walk(fpath):
for name in files:
if(old_str.lower() in name.lower()):
os.rename(os.path...
No tests found with test runner 'JUnit 4'
...t menu of your 'test' directory choose 'Build path' -> 'Use as a source folder'.
Eclipse should see your unitTests.java files as a source files.
Warning 'No JUnit tests found' occures because there is no unitTests.class files in your 'build' directory
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How to empty (clear) the logcat buffer in Android [duplicate]
...h your device connected to the USB port, open a terminal and go
to the adb folder.
Write: ./adb devices
The terminal will show something like this:
List of devices attached
36ac5997 device
Take note of the serial number (36ac5997)
Write: ./adb -s 36ac5997 to connect to the device
Write: ./adb l...
Where can I find Android's default icons? [duplicate]
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\path-to-your-android-sdk-folder\platforms\android-xx\data\res
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Bower install using only https?
...ows machine, the global configuration file is .gitconfig under user's home folder, e.g. C:\Users[username]. However if %HOME% is not defined, git will using %HOMEDRIVE% while git from bower will use %USERPROFILE% instead. Whereas these two variables might be different. On my machine, one is U:, the ...