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Which is more preferable to use: lambda functions or nested functions ('def')?
...orted(['a1', 'b0'], key= lambda x: int(x[1]))
– Chris_Rands
Apr 9 '18 at 12:09
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How to get everything after a certain character?
...then substr grabs everything from that index plus 1, onwards.
$data = "123_String";
$whatIWant = substr($data, strpos($data, "_") + 1);
echo $whatIWant;
If you also want to check if the underscore character (_) exists in your string before trying to get it, you can use the following:
i...
How do you see recent SVN log entries?
... this option to show ranges of revisions:
To list everything in ascending order:
svn log -r 1:HEAD
To list everything in descending order:
svn log -r HEAD:1
To list everything from the thirteenth to the base of the currently checked-out revision in ascending order:
svn log -r 13:BASE
To ge...
How to dynamically build a JSON object with Python?
...gives much more control over the json to be created, for example retaining order, and allows building as an object which may be a preferred representation of your concept.
pip install objdict first.
from objdict import ObjDict
data = ObjDict()
data.key = 'value'
json_data = data.dumps()
...
How do I find a stored procedure containing ?
...rocedure') = 1
AND definition LIKE '%' + @SearchText + '%')
) AS T
ORDER BY T.SPName
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Passing variable number of arguments around
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To pass the ellipses on, you have to convert them to a va_list and use that va_list in your second function. Specifically;
void format_string(char *fmt,va_list argptr, char *formatted_string);
void debug_print(int dbg_lvl, char *fmt, ...)
{
char formatted_string[MAX_FMT_SI...
Multiprocessing: How to use Pool.map on a function defined in a class?
...
[p.join() for p in proc]
return [p.recv() for (p, c) in pipe]
if __name__ == '__main__':
print parmap(lambda x: x**x, range(1, 5))
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psql invalid command \N while restore sql
.... I suggest:
inserting a single, small table (e.g., pg_restore
--table=orders full_database.dump > orders.dump )
if you don't have a small one, then delete a bunch of records out of the restore script - I just made sure the ./ was the last row to be loaded (e.g., open orders.dump and delete...
PyLint, PyChecker or PyFlakes? [closed]
...modified by e-satis
import sys, time
stdout = sys.stdout
BAILOUT = 16
MAX_ITERATIONS = 1000
class Iterator(object) :
def __init__(self):
print 'Rendering...'
for y in xrange(-39, 39):
stdout.write('\n')
for x in xrange(-39, 39):
if se...
Is there a good reason to use upper case for SQL keywords? [closed]
...lies on the reader's ability to distinguish keywords versus identifiers in order to mentally parse the syntax.
The direct answer to your question, then, is more an answer to “why does the reader of SQL code benefit so much from uppercase keywords, when that's not as true for most modern languages...