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What are the differences between Generics in C# and Java… and Templates in C++? [closed]
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13 Answers
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List comprehension rebinds names even after scope of comprehension. Is this right?
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List comprehensions leak the loop control variable in Python 2 but not in Python 3. Here's Gu...
ngClass style with dash in key
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edited Jan 25 '16 at 5:16
answered Mar 23 '13 at 1:39
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How to find the last day of the month from date?
...ays in the month of a given date (see the docs for date):
$a_date = "2009-11-23";
echo date("Y-m-t", strtotime($a_date));
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Rails where condition using NOT NIL
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516
The canonical way to do this with Rails 3:
Foo.includes(:bar).where("bars.id IS NOT NULL")
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MySQL: selecting rows where a column is null
... NULL is always false).
See Rule 3 https://en.wikipedia.org/wiki/Codd%27s_12_rules
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Python strptime() and timezones?
...'t work with %Z, so the case is important. See the following example:
In [1]: from datetime import datetime
In [2]: start_time = datetime.strptime('2018-04-18-17-04-30-AEST','%Y-%m-%d-%H-%M-%S-%Z')
In [3]: print("TZ NAME: {tz}".format(tz=start_time.tzname()))
TZ NAME: None
In [4]: start_time = d...
Why is Visual Studio 2013 very slow?
I'm running Visual Studio 2013 Pro (RTM version) on my formatted PC (Windows 8.1 fresh install).
31 Answers
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How to set the maximum memory usage for JVM?
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edited Feb 27 '14 at 15:23
Erik Kaplun
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Insert text with single quotes in PostgreSQL
...$
Which can be nested any number of levels:
$token2$Inner string: $token1$escape ' with ''$token1$ is nested$token2$
Pay attention if the $ character should have special meaning in your client software. You may have to escape it in addition. This is not the case with standard PostgreSQL clients...