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How can I convert spaces to tabs in Vim or Linux?
...es a range, so I usually specify % to mean "the whole file".
:set tabstop=2 " To match the sample file
:set noexpandtab " Use tabs, not spaces
:%retab! " Retabulate the whole file
Before doing anything like this (particularly with Python files!), I usually set 'list', so that I...
PostgreSQL database default location on Linux
...| grep -- -D
postgres 1535 0.0 0.1 39768 1584 ? S May17 0:23 /usr/local/pgsql/bin/postgres -D /usr/local/pgsql/data
Note that it is possible, though not very frequent, to run two instances of the same PostgreSQL server (same binaries, different processes) that serve different "clu...
Not showing placeholder for input type=“date” field
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“Could not run curl-config: [Errno 2] No such file or directory” when installing pycurl
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Boris
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answered Jun 5 '14 at 3:14
Michael RiceMichael Ri...
Is there a “do … while” loop in Ruby?
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652
CAUTION:
The begin <code> end while <condition> is rejected by Ruby's author Matz. ...
Representing and solving a maze given an image
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239
Here is a solution.
Convert image to grayscale (not yet binary), adjusting weights for the c...
Symfony2 : How to get form validation errors after binding the request to the form
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How do I get the last character of a string?
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The code:
public class Test {
public static void main(String args[]) {
String str...
How to set environment variable or system property in spring tests?
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You can initialize the System property in a static initializer:
@RunWith(SpringJUnit4ClassRunn...
What is the size of column of int(11) in mysql in bytes?
... no matter what length is specified.
TINYINT = 1 byte (8 bit)
SMALLINT = 2 bytes (16 bit)
MEDIUMINT = 3 bytes (24 bit)
INT = 4 bytes (32 bit)
BIGINT = 8 bytes (64 bit).
The length just specifies how many characters to pad when selecting data with the mysql command line client. 12345 stored as in...