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Optional query string parameters in ASP.NET Web API
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– Boris Zinchenko
Jul 24 '16 at 12:50
2
Yes, null is considered a constant expression, and theref...
Rails 3: Get Random Record
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edited May 4 '17 at 19:09
answered Mar 17 '11 at 16:45
f...
How to cherry pick from 1 branch to another
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Paolo
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answered Mar 14 '11 at 20:59
CanSpiceCanSpice
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Doctrine 2 can't use nullable=false in manyToOne relation?
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answered Mar 12 '12 at 20:47
SgoettschkesSgoettschkes
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HTML/Javascript change div content
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answered Mar 31 '10 at 15:19
SyntacticSyntactic
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Join strings with a delimiter only if strings are not null or empty
...ple:
[...].filter(x => typeof x === 'string' && x.length > 0)
will only keep non-empty strings in the list.
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(obsolete jquery answer)
var address = "foo";
var city;
var state = "bar";
var zip;
text = $.grep([address, city, state, zip], Boolean).join(", "); // foo, bar
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How to get HTTP Response Code using Selenium WebDriver
...with Selenium2/WebDriver and want to test if HTTP Request returns an HTTP 403 Forbidden.
9 Answers
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Handling very large numbers in Python
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180
Python supports a "bignum" integer type which can work with arbitrarily large numbers. In Python...
Filtering a list based on a list of booleans
...rue, False, True, False]
>>> %timeit list(compress(list_a, fil))
100000 loops, best of 3: 2.58 us per loop
>>> %timeit [i for (i, v) in zip(list_a, fil) if v] #winner
100000 loops, best of 3: 1.98 us per loop
>>> list_a = [1, 2, 4, 6]*100
>>> fil = [True, False,...
Android Studio suddenly cannot resolve symbols
Android Studio 0.4.2 was working fine and today I opened it and almost everything was red and the auto-completion had stopped working. I look at the imports and AS seems to be telling me it can't find android.support.v4 all of a sudden (offering me the option to remove the unused imports). ( andro...