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Difference between const & const volatile
... marked as being volatile, a couple problems might occur:
the while loop test might read the status register only once, since the compiler could assume that whatever it pointed to would never change (there's nothing in the while loop test or loop itself that could change it). If you entered the f...
How to perform better document version control on Excel files and SQL schema files
...tc/templates/nbcu.xls index 2476319..1daec86 100644 Binary files a/src/.../test.xls and b/src/.../test.xls differ GIT version: 1.7.6.msysgit.1
– katrin
Feb 3 '14 at 14:08
...
How to make an OpenGL rendering context with transparent background?
... Y.).
The end result can be seen in the image below:
The code has been tested on Windows XP (32-bits) and Windows 8.1 (32-bits).
Enjoy!
#define _WIN32_WINNT 0x0500
#include <windows.h>
#include <windowsx.h>
#include <GL/gl.h>
#include <GL/glu.h>
#pragma comment (lib, "...
How can I represent an 'Enum' in Python?
...
@shahjapan: Interesting, but relatively slow: a test is done for each access like Animals.DOG; also, the values of the constats are strings, so that comparisons with these constants are slower than if, say, integers were allowed as values.
– Eric O Le...
Checking whether a variable is an integer or not [duplicate]
...
Your sympy.Rational test doesn't quite do what you're thinking, because sympy.Rational(5) evaluates to an instance of sympy.Integer. Any operation that would produce a Rational with an integer value instead produces an Integer.
...
Reload django object from database
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As of Django 1.8 refreshing objects is built in. Link to docs.
def test_update_result(self):
obj = MyModel.objects.create(val=1)
MyModel.objects.filter(pk=obj.pk).update(val=F('val') + 1)
# At this point obj.val is still 1, but the value in the database
# was updated to 2. Th...
Nested or Inner Class in PHP
...new \Package\MyParent\ProtectedChild();
}
public function test() {
echo "Call from parent -> ";
$this->publicChild->protectedMethod();
$this->protectedChild->protectedMethod();
echo "<br>Siblings<br>";
...
Which is fastest? SELECT SQL_CALC_FOUND_ROWS FROM `table`, or SELECT COUNT(*)
...
IMHO, the reason why 2 queries
SELECT * FROM count_test WHERE b = 666 ORDER BY c LIMIT 5;
SELECT count(*) FROM count_test WHERE b = 666;
are faster than using SQL_CALC_FOUND_ROWS
SELECT SQL_CALC_FOUND_ROWS * FROM count_test WHERE b = 555 ORDER BY c LIMIT 5;
has to be see...
How do you use gcc to generate assembly code in Intel syntax?
...
Have you tried this?
gcc -S -masm=intel test.c
Untested, but I found it in this forum where someone claimed it worked for them.
I just tried this on the mac and it failed, so I looked in my man page:
-masm=dialect
Output asm instructions using selecte...
How to tell if a tag failed to load
... @Rudey Uncaught SyntaxError: Unexpected token '<' (in latest Chrome)
– daleyjem
Feb 29 at 5:25
...