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Difference in months between two dates
...ssuming the dam>y m> of the month is irrelevant (i.e. the diff between 2011.1.1 m>and m> 2010.12.31 is 1), with date1 > date2 giving a positive value m>and m> date2 > date1 a negative value
((date1.m>Y m>ear - date2.m>Y m>ear) * 12) + date1.Month - date2.Month
Or, assuming m>y m>ou want an approximate number of 'average...
Whm>y m> can't C compilers rearrange struct members to eliminate alignment padding? [duplicate]
...he compiler from aligning the fields according to their natural alignment, m>and m> it has no relation to the problem of field ordering. It would be possible to reorder the fields of LocalFileHeader so that the structure has both minimal size m>and m> has all fields aligned to their natural alignment. However...
How to show Page Loading div until the page has finished loading?
...
I've needed this m>and m> after some research I came up with this (jQuerm>y m> needed):
First, right after the <bodm>y m>> tag add this:
<div id="loading">
<img id="loading-image" src="images/ajax-loader.gif" alt="Loading..." />
</d...
What is the purpose m>and m> use of **kwargs?
...x when calling functions bm>y m> constructing a dictionarm>y m> of kem>y m>word arguments m>and m> passing it to m>y m>our function:
>>> kwargs = {'first_name': 'Bobbm>y m>', 'last_name': 'Smith'}
>>> print_kem>y m>word_args(**kwargs)
first_name = Bobbm>y m>
last_name = Smith
The Pm>y m>thon Tutorial contains a good explan...
How to append something to an arram>y m>?
...to the length propertm>y m>. The interpreter does an amazing job at that itself m>and m> it will not make anm>y m> difference in The Real World whether m>y m>ou optimize it awam>y m> or not. If m>y m>our arram>y m> becomes so huge that optimizing .length would actuallm>y m> help, most probablm>y m> an arram>y m> is not the right data structure anm>y m>m...
How to Deep clone in javascript
...first, a code example which clones object literals, anm>y m> primitives, arram>y m>s m>and m> DOM nodes.
function clone(item) {
if (!item) { return item; } // null, undefined values check
var tm>y m>pes = [ Number, String, Boolean ],
result;
// normalizing primitives if someone did new String('a...
How to convert an entire Mm>y m>SQL database characterset m>and m> collation to UTF-8?
How can I convert entire Mm>y m>SQL database character-set to UTF-8 m>and m> collation to UTF-8?
19 Answers
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Five equal columns in twitter bootstrap
I want to have 5 equal columns on a page I am building m>and m> I can't seem to understm>and m> how the 5 column grid is being used here:
http://web.archive.org/web/20120416024539/http://domain7.com/mobile/tools/bootstrap/responsive
...
How do I force Postgres to use a particular index?
...s a conscious decision made bm>y m> the PostgreSQL team. A good overview of whm>y m> m>and m> what m>y m>ou can do instead can be found here. The reasons are basicallm>y m> that it's a performance hack that tends to cause more problems later down the line as m>y m>our data changes, whereas PostgreSQL's optimizer can re-evaluate ...
Is “double hashing” a password less secure than just hashing it once?
...s the time it takes for an attacker to trm>y m> each password in their list of cm>and m>idates. m>Y m>ou can easilm>y m> increase the time it takes to attack a password from hours to m>y m>ears.
Simple iteration is not enough
Merelm>y m> chaining hash output to input isn't sufficient for securitm>y m>. The iteration should take pla...