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How do I use regex in a SQLite query?
...
my solution in python with sqlite3:
import sqlite3
import re
def match(expr, item):
return re.match(expr, item) is not None
conn = sqlite3.connect(':memory:')
conn.create_function("MATCHES", 2, match)
cursor = c...
How to efficiently build a tree from a flat structure?
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Python solution
def subtree(node, relationships):
return {
v: subtree(v, relationships)
for v in [x[0] for x in relationships if x[1] == node]
}
For example:
# (child, parent) pairs where -1 means...
Take the content of a list and append it to another list
...e for what you're trying to do.
A slightly shorter version which leans on Python to do more of the heavy lifting might be:
for logs in mydir:
for line in mylog:
#...if the conditions are met
list1.append(line)
if any(True for line in list1 if "string" in line):
li...
How to get the command line args passed to a running process on unix/linux systems?
...em that worked to obtain the full path for scripts running inside CygWin's python.
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How do I execute a bash script in Terminal?
...o not need to type out the name of the program that runs the file (BASH or Python or whatever) unless you want to. It won't hurt.
You do not need sudo to do any of this. This command is reserved for running commands as another user or a 'root' (administrator) user. Great post here.
(A person who ...
How to match “any character” in regular expression?
... escaping is not required for some languages such as, C#, PHP, Ruby, PERL, Python, JavaScript:
[\s\S]*
[\d\D]*
[\w\W]*
[\s\S]+
[\d\D]+
[\w\W]+
Test
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class RegularExpression{
public static void main(String[] args){
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Reload django object from database
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how do I insert a column at a specific column index in pandas?
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How to kill zombie process
... edited Apr 14 '14 at 12:51
PythoNic
26555 silver badges1212 bronze badges
answered Sep 16 '13 at 6:11
Moh...
Pandas get topmost n records within each group
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