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get current url in twig template?
...ny 2.1.x $request->attributes->get('_route_params') feature.
* Code based on PagerfantaBundle's twig extension.
*/
public function routerParams()
{
$router = $this->container->get('router');
$request = $this->container->get('request');
$routeName = $request->attri...
Flask SQLAlchemy query, specify column names
... the code is clean but the sql query selects all fields from the database. I have used with_entities as given in the accepted answer and the query selected only that fields/.
– Srikanth Jeeva
May 5 at 0:34
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Where do I mark a lambda expression async?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How to check whether an object is a date?
...do things */ }
alert( myDate.typof() ); //=> String
[Edit march 2013] based on progressing insight this is a better method:
Object.prototype.is = function() {
var test = arguments.length ? [].slice.call(arguments) : null
,self = this.constructor;
return test ? !!(tes...
What is the meaning of “$” sign in JavaScript
...
Prototype, jQuery, and most javascript libraries use the $ as the primary base object (or function). Most of them also have a way to relinquish the $ so that it can be used with another library that uses it. In that case you use jQuery instead of $. In fact, $ is just a shortcut for jQuery.
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How to convert string representation of list to a list?
...
Inspired from some of the answers above that work with base python packages I compared the performance of a few (using Python 3.7.3):
Method 1: ast
import ast
list(map(str.strip, ast.literal_eval(u'[ "A","B","C" , " D"]')))
# ['A', 'B', 'C', 'D']
import timeit
timeit.timeit(st...
Java: Clear the console
...nt variable. All this code does is call the Windows or Unix system command based on the default system configuration to clear the command prompt or terminal window respectively. It should be exactly the same as opening a terminal window and typing "cls" followed by the Enter key.
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How do you rename a table in SQLite 3.0?
...ut I assume that the following is also correct:
ALTER TABLE existing_database.existing_table
RENAME TO new_database.new_table;
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Python - 'ascii' codec can't decode byte
...g it with a u:
Python 2.7.2 (default, Jan 14 2012, 23:14:09)
[GCC 4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2335.15.00)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> "你好".encode("utf8")
Traceback (most recent call last):
File "<std...
How to generate all permutations of a list?
...:r])
break
else:
return
And another, based on itertools.product:
def permutations(iterable, r=None):
pool = tuple(iterable)
n = len(pool)
r = n if r is None else r
for indices in product(range(n), repeat=r):
if len(set(indices)) == r:
...