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What does “dereferencing” a pointer mean?
... at a slightly more complex example:
double sizes[] = { 10.3, 13.4, 11.2, 19.4 };
double* p = sizes;
assert(p[0] == 10.3); // Knows to look at all the bytes in the first double value
assert(p[1] == 13.4); // Actually looks at bytes from address p + 1 * sizeof(double)
// (si...
Create a tag in a GitHub repository
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edited Oct 4 '19 at 20:35
milso
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answered ...
How does BLAS get such extreme performance?
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Michael LehnMichael Lehn
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XPath with multiple conditions
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answered Dec 9 '19 at 10:08
SumanSuman
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'float' vs. 'double' precision
...aranteed that there is no change in the values 0.5, 0.046875, or 0.376739501953125 versus their decimal representations. (These are all diadic rationals with numerator fitting in the mantissa and base-2 logarithm of the denominator fitting in the exponent.)
– R.. GitHub STOP HE...
Do I have to guard against SQL injection if I used a dropdown?
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195
Yes you need to protect against this.
Let me show you why, using Firefox's developer console:...
Converting NSString to NSDate (and back again)
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answered Oct 12 '10 at 17:19
PavanPavan
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Django self-referential foreign key
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edited Jun 19 '19 at 18:47
answered Jun 19 '19 at 18:34
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How to detect the end of loading of UITableView
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edited Nov 25 '19 at 11:58
answered Jun 16 '17 at 14:28
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Simplest way to detect a mobile device in PHP
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Detect Mobile Browser
Download PHP script
Code:
<?php
$useragent=$_SERVER['HTTP_USER_AGENT'];
if(preg_match('/(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|netfront|opera m(ob|in)i|palm( os)?|...