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Extract date (yyyy/mm/dd) from a timestamp in PostgreSQL
...xing it with ::date. Here, in psql, is a timestamp:
# select '2010-01-01 12:00:00'::timestamp;
timestamp
---------------------
2010-01-01 12:00:00
Now we'll cast it to a date:
wconrad=# select '2010-01-01 12:00:00'::timestamp::date;
date
------------
2010-01-01
On the ot...
Java: Integer equals vs. ==
...teger values. Hence the comparison with == only works for numbers between -128 and 127.
Refer: #Immutable_Objects_.2F_Wrapper_Class_Caching
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Ruby convert Object to Hash
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answered Nov 2 '12 at 23:49
Austin MaruscoAustin Marusco
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How to calculate the number of days between two dates? [duplicate]
... // hours*minutes*seconds*milliseconds
const firstDate = new Date(2008, 1, 12);
const secondDate = new Date(2008, 1, 22);
const diffDays = Math.round(Math.abs((firstDate - secondDate) / oneDay));
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When to use std::forward to forward arguments?
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124
Use it like your first example:
template <typename T> void f(T && x)
{
g(std:...
How to extract extension from filename string in Javascript? [duplicate]
...he reg ex is doing?
– Hristo
Feb 8 '12 at 20:03
36
@Hristo Certainly not. See above.
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Does a finally block always get executed in Java?
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Ali Dehghani
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answered Sep 15 '08 at 17:45
jodonnelljodonn...
How to install pip with Python 3?
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edited Jun 20 at 9:12
Community♦
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answered Jul 5 '11 at 19:01
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Installed Java 7 on Mac OS X but Terminal is still using version 6
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edited Jun 20 at 9:12
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answered Oct 6 '12 at 7:03
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What does T&& (double ampersand) mean in C++11?
...mp;&rrx = x; no longer compiles in GCC) – drewbarbs Jul 13 '14 at 16:12
The biggest difference between a C++03 reference (now called an lvalue reference in C++11) is that it can bind to an rvalue like a temporary without having to be const. Thus, this syntax is now legal:
T&& r = T...