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Python Regex - How to Get Positions and Values of Matches
How can I get the start and end positions of all matches using the re module? For example given the pattern r'[a-z]' and the string 'a1b2c3d4' I'd want to get the positions where it finds each letter. Ideally, I'd like to get the text of the match back too.
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Sorting multiple keys with Unix sort
I have potentially large files that need to be sorted by 1-n keys. Some of these keys might be numeric and some of them might not be. This is a fixed-width columnar file so there are no delimiters.
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Which is faster in Python: x**.5 or math.sqrt(x)?
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I've now run it 3 times on codepad.org and all three times a() was much faster than b().
– Jeremy Ruten
Nov 29 '08 at 1:38
13
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How can I export the schema of a database in PostgreSQL?
... only the schema to stdout as .sql.
For windows, you'll probably want to call pg_dump.exe. I don't have access to a Windows machine but I'm pretty sure from memory that's the command. See if the help works for you too.
shar...
Type hinting a collection of a specified type
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edited Feb 27 '18 at 20:32
Stevoisiak
13.9k1616 gold badges9191 silver badges153153 bronze badges
answ...
SQL (MySQL) vs NoSQL (CouchDB) [closed]
...e
responsible for a lot of work that the
system takes care of automatically in
a relational database system. Similar
to what happens when you pick manual
over automatic transmission. Secondly,
NoSQL allows you to eke more
performance out of the system by
eliminating a lot of integrit...
Passing base64 encoded strings in URL
...ad (2*3/64)
– PaulH
Jul 3 '16 at 12:32
Be careful with / character if you pass it not as a GET parameter, but as a pat...
How to set enum to null
...lable?
– LuckyLikey
Dec 14 '15 at 8:32
for those who already have the nullable type declared in their class and come h...
How do I get java logging output to appear on a single line?
....ZipUtil unzip: Failed to load: foo.zip
2) Putting it to IDEs
IDEs typically let you set system properties for a project.
E.g. in NetBeans, instead of adding -D...=... somewhere, add the property in the action dialog, in a form of java.util.logging.SimpleFormatter.format=%1$tY-%1$tm-... - without...
How to call a method with a separate thread in Java?
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answered Aug 15 '10 at 22:32
Noel MNoel M
14.4k77 gold badges3535 silver badges4545 bronze badges
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