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In Python, how do I index a list with another list?
...ist comprehension 2.5x faster than the loop (1000 elements, repeated 10000 times).
– James Hopkin
Jun 18 '09 at 12:00
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What does “use strict” do in JavaScript, and what is the reasoning behind it?
...al, "use strict" can be good stuff, but you have to do it right. The best time to go strict is when your project is greenfield and you are starting from scratch. Configure JSHint/JSLint with all the warnings and options cranked up as tight as your team can stomach, get a good build/test/assert syst...
Difference between abstract class and interface in Python
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What you'll see sometimes is the following:
class Abstract1( object ):
"""Some description that tells you it's abstract,
often listing the methods you're expected to supply."""
def aMethod( self ):
raise NotImplementedError(...
Ignore python multiple return value
... to return the second, and so on.
If you want to get multiple values at a time, use something like x, y = func()[2:4].
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How can I read inputs as numbers?
...arr1=list(map(int,input().split()))
the for loop shall run 'n' number of times . the second 'n' is the length of the array.
the last statement maps the integers to a list and takes input in space separated form .
you can also return the array at the end of for loop.
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Linux command (like cat) to read a specified quantity of characters
... in general, asdd bs=1 forces dd to read and write a single character at a time, which is much slower than head when count is large. It's not noticeable for count=5, though.
– ephemient
Oct 20 '08 at 17:45
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Zero-pad digits in string
... @KonradRudolph If i have pass as digit value as integer that time given error, If pass as string that time not problem
– Hiren Bhut
Feb 1 '18 at 11:45
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PDO Prepared Inserts multiple rows in single query
...t statement:
<?php
require('conn.php');
$fname = 'J';
$lname = 'M';
$time_start = microtime(true);
$stmt = $db->prepare('INSERT INTO table (FirstName, LastName) VALUES (:fname, :lname)');
for($i = 1; $i <= 10; $i++ ) {
$stmt->bindParam(':fname', $fname);
$stmt->bindParam(...
combinations between two lists?
...looking for combinations (like me) to this answer - glad to see it's got 8 times the votes!
– Josh Friedlander
Dec 24 '18 at 15:38
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NOT using repository pattern, use the ORM as is (EF)
... the same flexibility to do that is a monstrous task. In my experience any time I've created a repository I've ALWAYS had business logic leak into the repository layer to either make queries more performant and/or reduce the number of hits to the database.
I don't want to create a method for every ...
