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do N times (declarative syntax)
...g
To complete this questions, here's a way to do call something() 1, 2 and 3 times respectively:
It's 2017, you may use ES6:
[1,2,3].forEach(i => Array(i).fill(i).forEach(_ => {
something()
}))
or in good old ES5:
[1,2,3].forEach(function(i) {
Array(i).fill(i).forEach(function() {...
Efficiently updating database using SQLAlchemy ORM
I'm starting a new application and looking at using an ORM -- in particular, SQLAlchemy.
6 Answers
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Remove portion of a string after a certain character
...n plain english: Give me the part of the string starting at the beginning and ending at the position where you first encounter the deliminator.
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java.lang.OutOfMemoryError: GC overhead limit exceeded [duplicate]
... am getting this error in a program that creates several (hundreds of thousands) HashMap objects with a few (15-20) text entries each. These Strings have all to be collected (without breaking up into smaller amounts) before being submitted to a database.
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How to compile python script to binary executable
...ood starting point. PyInstaller also lets you create executables for linux and mac...
Here is how one could fairly easily use PyInstaller to solve the issue at hand:
pyinstaller oldlogs.py
From the tool's documentation:
PyInstaller analyzes myscript.py and:
Writes myscript.spec in ...
How can I find where Python is installed on Windows?
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In your Python interpreter, type the following commands:
>>> import os
>>> import sys
>>> os.path.dirname(sys.executable)
'C:\\Python25'
Also, you can club all these and use a single line command. Open cmd and enter following command
python -c "imp...
How do I link to part of a page? (hash?)
...htags in the url like : example.com/#RouteName?page=1#ID. one for routing and one for navigation inside of current page. finally i used html5 mode of URL in order to removing route hashtags ;) @tomsmeding
– iraj jelodari
Nov 19 '16 at 15:20
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How can I “pretty print” a Duration in Java?
...Period can be created directly, without first creating a Duration instance and then converting it to Period. E.g. Period period = new Period(millis); String formatted = formatter.print(period);
– Basil Vandegriend
Aug 12 '13 at 23:15
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How to continue a Docker container which has exited
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You can restart an existing container after it exited and your changes are still there.
docker start `docker ps -q -l` # restart it in the background
docker attach `docker ps -q -l` # reattach the terminal & stdin
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Looking for files NOT owned by someone
...vely look through directories to find files NOT owned by a particular user and I am not sure how to write this.
5 Answers
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