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How to pass macro definition from “make” command line arguments (-D) to C source code?
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answered Jan 29 '12 at 11:48
ouahouah
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Getting Java version at runtime
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answered Apr 7 '10 at 9:08
polygenelubricantspolygenelubricants
336k117117 gold badges535535 silver badges606606 bronze badges
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How do you find the row count for all your tables in Postgres
...nd, which is executed by the autovacuum process regularly as of PostgreSQL 8.3 to update table statistics, also computes a row estimate. You can grab that one like this:
SELECT
nspname AS schemaname,relname,reltuples
FROM pg_class C
LEFT JOIN pg_namespace N ON (N.oid = C.relnamespace)
WHERE
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How do you get the width and height of a multi-dimensional array?
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Reed CopseyReed Copsey
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How do I clone a range of array elements to a new array?
... result;
}
static void Main()
{
int[] data = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
int[] sub = data.SubArray(3, 4); // contains {3,4,5,6}
}
Update re cloning (which wasn't obvious in the original question). If you really want a deep clone; something like:
public static T[] SubArrayDeepClone...
App Inventor 2 数学代码块 · App Inventor 2 中文网
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Base-2(二进制)数字,例如 0b10(等于十进制 2)
Base-8(八进制)数字,例如 0o14(等于十进制 12)
Base-16(十六进制)数字,例如 0xd4(等于十进制 212)
进制数字块 ( 0 )
默认表示 10 进制的数字,单击“0”将允许更改...
CSS container div not getting height
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282
Add the following property:
.c{
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overflow: hidden;
}
This will force the container ...
Get operating system info
...h bang on.
Borrowed from an answer on SO https://stackoverflow.com/a/15497878/
<?php
$user_agent = $_SERVER['HTTP_USER_AGENT'];
function getOS() {
global $user_agent;
$os_platform = "Unknown OS Platform";
$os_array = array(
'/windows nt 10/i' ...
MySQL Select minimum/maximum among two (or more) given values
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answered Oct 18 '13 at 9:16
Elon ThanElon Than
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Perl flags -pe, -pi, -p, -w, -d, -i, -t?
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148
Yes, Google is notoriously difficult for looking up punctuation and, unfortunately, Perl does se...
