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classical inheritance vs prototypal inheritance in javascript
...lar that you can actually use prototypes to model classes:
function CLASS(base, body) {
if (arguments.length < 2) body = base, base = Object.prototype;
var prototype = Object.create(base, {new: {value: create}});
return body.call(prototype, base), prototype;
function create() {
...
What is the best way to implement constants in Java? [closed]
...
@ŁukaszL. The question itself is really opinion based (whenever "best" arises, it typically is a matter of opinion), so the answer is a valid answer to this question. I've given an answer as to what (yes, I believe to be, so yes it is an opinion, because again "best" chan...
MySQL - why not index every field?
...
and also every index takes some database space
– Acanthus
Mar 26 '11 at 23:33
@...
Auto expand a textarea using jQuery
...Compare the effect with the other auto expanding textarea plugin....
edit based on comment
$(function() {
$('#txtMeetingAgenda').autogrow();
});
note: you should include the needed js files...
To prevent the scrollbar in the textarea from flashing on & off during expansion/contraction, y...
pdftk compression option
...pen: gs_parse_file_name failed. ?
| ./base/gsicc_manage.c:1651: gsicc_set_device_profile(): cannot find device profile
74.8MB-->10.2MB hideously pixellated
bookmarks TOC are gone
gs printer:
takes a ridiculously long time and 100% CPU
no errors
74.8MB-->...
Can you change a path without reloading the controller in AngularJS?
...bs/angular-location-update
Usage:
$location.update_path('/notes/1');
Based on https://stackoverflow.com/a/24102139/1751321
P.S. This solution https://stackoverflow.com/a/24102139/1751321 contains bug
after path(, false) called - it will break browser navigation back/forward until path(, true...
How to efficiently count the number of keys/properties of an object in JavaScript?
...able
Cons - Memory overhead due to the creation of the array.
2. Library-based solutions
Many library-based examples elsewhere in this topic are useful idioms in the context of their library. From a performance viewpoint, however, there is nothing to gain compared to a perfect no-library code sin...
Count(*) vs Count(1) - SQL Server
..._GUID() in Oracle is quite computation intensive function.
In my test database, t_even is a table with 1,000,000 rows
This query:
SELECT COUNT(SYS_GUID())
FROM t_even
runs for 48 seconds, since the function needs to evaluate each SYS_GUID() returned to make sure it's not a NULL.
However, t...
return query based on date
I have a data like this in mongodb
7 Answers
7
...
How to solve error “Missing `secret_key_base` for 'production' environment” (Rails 4.1)
...icorn.log file I found this error message:
app error: Missing `secret_key_base` for 'production' environment, set this value in `config/secrets.yml` (RuntimeError)
After some research I found out that Rails 4.1 changed the way to manage the secret_key, so if you read the secrets.yml file located ...