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Upgrading PHP in XAMPP for Windows?
...e\bin with the newer versions.
Now the trick: take the files which have a '_2' in their names (for example php5apache2_2.dll or php5apache2_2_filter.dll), copy them in the apache\bin subdirectory and remove the '_2' part, overwriting the existing files. This is necessary because by XAMPP uses Apache...
Which is faster in Python: x**.5 or math.sqrt(x)?
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In python 2.6 the (float).__pow__() function uses the C pow() function and the math.sqrt() functions uses the C sqrt() function.
In glibc compiler the implementation of pow(x,y) is quite complex and it is well optimized for various exceptional cases...
How to use if statements in underscore.js templates?
...ver again, which templates are supposed to solve for you. As of right now, _.template inserts a ; at the start of each compiled code tag. Thus, it can handle tags breaking between statements, but not inside of expressions. Compare;if(a){b;}else{c;} to ;a?b;:c;.
– Keen
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Version number comparison in Python
...o for your cmp function:
>>> cmp = lambda x, y: StrictVersion(x).__cmp__(y)
>>> cmp("10.4.10", "10.4.11")
-1
If you want to compare version numbers that are more complex distutils.version.LooseVersion will be more useful, however be sure to only compare the same types.
>>...
Rails: fields_for with index?
...s there a method (or way to pull off similar functionality) to do a fields_for_with_index ?
9 Answers
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Best way to parse RSS/Atom feeds with PHP [closed]
...e RSS experience and needs a better parser.
– duality_
Jul 30 '11 at 13:49
3
In case somebody nee...
How efficient is locking an unlocked mutex? What is the cost of a mutex?
...tefultask-testsuite/blob/b69b112e2e91d35b56a39f41809d3e3de2f9e4b8/src/mutex_test.cxx
Note that it has a few hardcoded values specific for my box (xrange, yrange and rdtsc overhead), so you probably have to experiment with it before it will work for you.
The graph it produces in that state is:
T...
Installing PDO driver on MySQL Linux server
...-get install php5-mysql
There is no limitation between using PDO and mysql_ simultaneously. You will however need to create two connections to your DB, one with mysql_ and one using PDO.
share
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im...
Rails params explained?
...example, if the user's browser requested
http://www.example.com/?vote[item_id]=1&vote[user_id]=2
then params[:vote] would be a hash, params[:vote][:item_id] would be "1" and params[:vote][:user_id] would be "2".
The Ruby on Rails params are the equivalent of the $_REQUEST array in PHP.
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How would one write object-oriented code in C? [closed]
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int (*close)(void *self);
int (*read)(void *self, void *buff, size_t max_sz, size_t *p_act_sz);
int (*write)(void *self, void *buff, size_t max_sz, size_t *p_act_sz);
// And data goes here.
} tCommClass;
tCommClass commRs232;
commRs232.open = &rs232Open;
: :
commRs232.write = &...