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What to do Regular expression pattern doesn't match anywhere in string?
...nputs.
Here's some Perl (pseudo)code to show you what I mean:
my $html = readLargeInputFile();
my @input_tags = $html =~ m/
(
<input # Starts with "<input"
(?=[^>]*?type="hidden") # Use lookahead to make sure that type="hidden"
[^>]...
What is __init__.py for?
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from database.create_session import Session
session = Session()
Further reading
There is a pretty interesting reddit thread covering appropriate uses of __init__.py here:
http://www.reddit.com/r/Python/comments/1bbbwk/whats_your_opinion_on_what_to_include_in_init_py/
The majority opinion seems...
tomcat - CATALINA_BASE and CATALINA_HOME variables
...installation directory, including its contents, and ensure that Tomcat has read permissions to it. Edit the configuration files according to your needs.
Create a logs directory if conf/logging.properties points to ${catalina.base}/logs, and ensure that Tomcat has read/write permissions to it.
Creat...
Why no generics in Go?
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If you're reading this answer today, be aware that contracts have been dropped from the draft proposal: go.googlesource.com/proposal/+/refs/heads/master/design/…
– jub0bs
Jun 28 at 19:53
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Postgres unique constraint vs index
...violates unique constraint "master_con_id_key"
DETAIL: Key (con_id)=(0) already exists.
test=# insert into master values (1, 0);
ERROR: duplicate key value violates unique constraint "master_unique_idx"
DETAIL: Key (ind_id)=(0) already exists.
test=#
It works as expected!
Foreign keys
Now we'...
What is the most useful script you've written for everyday life? [closed]
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Why would you replace easy to read code with difficult to read code? Does your computer run more quickly if you have less less lines of source code?
– Beska
Mar 17 '09 at 21:00
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A Better Django Admin ManyToMany Field Widget
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Its Working But how to make this filed read only. I am try read only_fields = ('users',) . But Its shown in single line separated by comma. I want to shown in line break ...
– Varnan K
Dec 31 '14 at 8:11
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Why does the order of the loops affect performance when iterating over a 2D array?
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Great answer. If Mark wants read more about such nitty gritty, I'd recommend a book like Write Great Code.
– wkl
Mar 30 '12 at 13:59
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How to write to a file, using the logging Python module?
...g.DEBUG)
logger.addHandler(fh)
And you're good to go.
P.S. Make sure to read the logging HOWTO as well.
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How do I ignore files in a directory in Git?
...FORMAT
A blank line matches no files, so it can serve as a separator for readability.
A line starting with # serves as a comment.
An optional prefix ! which negates the pattern; any matching file excluded by a previous pattern will become included again. If a negated pattern matches, this will ove...