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Maximum number of characters using keystrokes A, Ctrl+A, Ctrl+C and Ctrl+V
...y O(N2) due to the complexity of multiplying the large numbers. Below is a Python implementation. It takes about 0.5 seconds to calculate for N=50,000.
def max_chars(n):
dp = [0] * (n+1)
for i in xrange(n):
dp[i+1] = max(dp[i+1], dp[i]+1) # press a
for j in xrange(i+3, min(i+7, n+1)):
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Django set field value after a form is initialized
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Is there a different way to do this is Django 1.7/Python 3.4? This isn't working for me
– Jeremy
Jan 12 '15 at 22:01
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Mercurial stuck “waiting for lock”
...her an older version of Mercurial accessing the repository or a problem in Python's socket.gethostname() call on certain versions of Windows.)
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How do you find out the type of an object (in Swift)?
...ype in those situations, but still, I'd really like to have something like Python's type()
11 Answers
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How do I create a variable number of variables?
How do I accomplish variable variables in Python?
14 Answers
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sphinx-build fail - autodoc can't import/find module
... be because the dependencies of those modules are not satisfied under your python environment. You will want to check if all the import statements are working within the modules.
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How to import load a .sql or .csv file into SQLite?
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If you are happy to use a (python) script then there is a python script that automates this at: https://github.com/rgrp/csv2sqlite
This will auto-create the table for you as well as do some basic type-guessing and data casting for you (so e.g. it will...
ValueError : I/O operation on closed file
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True, but this is always the case in python when mixing them up right?
– Nebulosar
Apr 20 '18 at 9:24
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How to define Gradle's home in IDEA?
...E (to prevent issues when upgrading gradle with brew) export GRADLE_HOME=`python -c "import os; print(os.path.realpath('$(which gradle)'))" | xargs dirname | xargs dirname | xargs printf "%s/libexec"` If anyone can simplify, that would be handy too :)
– mlo55
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Find and Replace Inside a Text File from a Bash Command
...nvoke anything, including your own compiled programs, other shell scripts, Python and Perl scripts etc.
In this case, there are a couple of ways to do it.
If you want to read a file, and write it to another file, doing search/replace as you go, use sed:
sed 's/abc/XYZ/g' <infile >outfile
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