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How to do a recursive find/replace of a string with awk or sed?
How do I find and replace every occurrence of:
35 Answers
35
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Display an array in a readable/hierarchical format
... I like this answer too but the OP only wanted the Strings to print, and not the array indices (it seems like). And only 1-dimensional data. I usually only do this to check a recordset of data before I continue with a solution, so this solution works way better for stuff like that.
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How to print like printf in Python3?
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In both versions, % is an operator which requires a string on the left-hand side and a value or a tuple of values or a mapping object (like dict) on the right-hand side.
So, your line ought to look like this:
print("a=%d,b=%d" % (f(x,n),g(x,n)))
Also, the recommendation for Python3 and newer ...
Infinity symbol with HTML
...resting results within 3 seconds, including utf8icons.com, fileformat.info and others.
– trejder
Jun 12 '14 at 11:00
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What is the best Distributed Brute Force countermeasure?
...t is no secret that I am implementing an auth+auth system for CodeIgniter, and so far I'm winning (so to speak). But I've run into a pretty non-trivial challenge (one that most auth libraries miss entirely, but I insist on handling it properly): how to deal intelligently with large-scale, distribut...
Save PL/pgSQL output from PostgreSQL to a CSV file
...ing easy to re-use or automate, you can use Postgresql's built in COPY command. e.g.
Copy (Select * From foo) To '/tmp/test.csv' With CSV DELIMITER ',' HEADER;
This approach runs entirely on the remote server - it can't write to your local PC. It also needs to be run as a Postgres "superuser" (no...
how do i remove a comma off the end of a string?
...ine use the simpler:
$string = rtrim($string, ',');
The rtrim function (and corresponding ltrim for left trim) is very useful as you can specify a range of characters to remove, i.e. to remove commas and trailing whitespace you would write:
$string = rtrim($string, ", \t\n");
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Flattening a shallow list in Python [duplicate]
...be the best way to flatten a shallow list like this, balancing performance and readability?
23 Answers
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How do I turn a String into a InputStreamReader in java?
.... That wrong version number is especially weird as Java 1.4 introduced NIO and it makes little sense to introduce an API and its conceptional successor within the same version.
– Holger
Mar 31 '15 at 11:00
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Does Java have a HashMap with reverse lookup?
...okup in both directions. Is there a name for this type of data structure, and is anything like this included in Java's standard libraries? (or maybe Apache Commons?)
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