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Using sed, how do you print the first 'N' characters of a line?
...und for years and is in most linux's and bsd's (freebsd for sure), usually by default. I can't remember ever having to type apt-get install colrm.
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How to get String Array from arrays.xml file
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Find all files with a filename beginning with a specified string?
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What are the differences between ipython and bpython?
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Mongo: find items that don't have a certain field
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How to skip “are you sure Y/N” when deleting files in batch files
I can't for the life of me remember how to bypass the annoying prompt are you sure? Y/N when deleting files.
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What exactly does git rebase --skip do?
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Check if application is installed - Android
...abled or disabled state.
We all know an app can be installed but disabled by the user, therefore unusable.
This checks for installed AND enabled apps:
public static boolean isPackageInstalled(String packageName, PackageManager packageManager) {
try {
return packageManager.getApplicati...
How can I tell PyCharm what type a parameter is expected to be?
...t need a docstring. As an added benefit, those annotations can be accessed by code:
>>> King.repress.__annotations__
{'peasant': <class '__main__.Person'>, 'return': <class 'bool'>}
Update: As of PEP 484, which has been accepted for Python 3.5, it is also the official convent...
How do I stop a Git commit when VI is on the screen waiting for a commit message?
...ommit message (only the first few rows not beginning with a #) for example by holding v and using arrow keys to select it and then pressing Delete. Quit with :wq to apply changes! If you use :q! the changes will be lost and the previous commit message will be used.
When using VIM it's ok in both c...