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How to calculate percentage with a SQL statement
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Kip
95.8k8080 gold badges220220 silver badges256256 bronze badges
answered Apr 21 '09 at 12:54
JasonJason
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How can I multiply and divide using only bit shifting and adding?
...red in details in the book "Hacker's Delight" by Henry S. Warren (ISBN 9780201914658).
The first idea for implementing division is to write the inverse value of the denominator in base two.
E.g.,
1/3 = (base-2) 0.0101 0101 0101 0101 0101 0101 0101 0101 .....
So,
a/3 = (a >> 2) + (a >>...
How to get a key in a JavaScript object by its value?
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jAndyjAndy
203k4747 gold badges283283 silver badges345345 bronze badges
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Do the parentheses after the type name make a difference with new?
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In C++1998 there are 2 types of initialization: zero and default
In C++2003 a 3rd type of initialization, value initialization was added.
Assume:
struct A { int m; }; // POD
struct B { ~B(); int m; }; // non-POD, compiler generated default ctor
struct C { C() : m() {}; ~C(); int m; }; // non-...
Why doesn't height: 100% work to expand divs to the screen height?
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420
In order for a percentage value to work for height, the parent's height must be determined. The...
What's the difference between commit() and apply() in SharedPreferences
...100% guaranteed or not.
– Tiago
Sep 20 '15 at 22:44
22
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Django filter versus get for single object?
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phoenix
3,20611 gold badge2727 silver badges3131 bronze badges
answered Jun 19 '09 at 20:04
James BennettJames ...
Go to beginning of line without opening new line in VI
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answered Apr 20 '12 at 9:33
Xavier T.Xavier T.
36k88 gold badges6363 silver badges9494 bronze badges
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How to check that a string is an int, but not a double, etc.?
...w about using ctype_digit?
From the manual:
<?php
$strings = array('1820.20', '10002', 'wsl!12');
foreach ($strings as $testcase) {
if (ctype_digit($testcase)) {
echo "The string $testcase consists of all digits.\n";
} else {
echo "The string $testcase does not consist o...
Get the client IP address using PHP [duplicate]
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answered Oct 4 '13 at 20:11
MichaelMichael
8,82833 gold badges2121 silver badges2222 bronze badges
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