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Difference between del, remove and pop on lists
... removes the first matching value, not a specific index:
>>> a = [0, 2, 3, 2]
>>> a.remove(2)
>>> a
[0, 3, 2]
del removes the item at a specific index:
>>> a = [9, 8, 7, 6]
>>> del a[1]
>>> a
[9, 7, 6]
and pop removes the item at a specific ind...
Debug a java application without starting the JVM with debug arguments
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answered Dec 17 '08 at 22:27
McDowellMcDowell
101k2727 gold badges189189 silver badges258258 bronze badges
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How do I use define_method to create class methods?
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answered Nov 8 '10 at 17:26
fguillenfguillen
28.2k1515 gold badges104104 silver badges162162 bronze badges
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Update one MySQL table with values from another
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210
UPDATE tobeupdated
INNER JOIN original ON (tobeupdated.value = original.value)
SET tobeupdated.i...
Insert html in a handlebar template without escaping
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edited May 30 at 6:17
jjlin
3,73111 gold badge2323 silver badges2222 bronze badges
answere...
Specify format for input arguments argparse python
...e(s, "%Y-%m-%d")
except ValueError:
msg = "Not a valid date: '{0}'.".format(s)
raise argparse.ArgumentTypeError(msg)
Then use that as type:
parser.add_argument("-s",
"--startdate",
help="The Start Date - format YYYY-MM-DD",
...
How to fight tons of unresolved variables warning in Webstorm?
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105
Use JSDoc:
/**
* @param {{some_unres_var:string}} data
*/
function getData(data){
consol...
Downloading a large file using curl
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<?php
set_time_limit(0);
//This is the file where we save the information
$fp = fopen (dirname(__FILE__) . '/localfile.tmp', 'w+');
//Here is the file we are downloading, replace spaces with %20
$ch = curl_init(str_replace(" ","%20",$url));
cu...
How do I open links in Visual Studio in my web browser and not in Visual Studio?
... this behavior called Open in External Browser. It works in Visual Studio 2012, 2013, 2015 and 2017. (An old version available on GitHub supports Visual Studio 2010.)
Thanks goes to Dmitry for pointing this out in his answer to this similar question.
EDIT: The Visual Studio team is finally startin...
What is the fastest or most elegant way to compute a set difference using Javascript arrays?
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