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What is the difference between localStorage, sessionStorage, session and cookies?
... back to the server for every HTTP request (HTML, images, JavaScript, CSS, etc) - reducing the amount of traffic between client and server.
The data stored in localStorage persists until explicitly deleted. Changes made are saved and available for all current and future visits to the site.
Cons:
...
How to start a Process as administrator mode in C# [duplicate]
...ne char at a time from somewhere (i.e. a keyboard, or an encrypted source, etc.). -- If you have an actual string that contains the data anyway, then it's not secure.
– BrainSlugs83
Jun 26 '17 at 23:28
...
Last iteration of enhanced for loop in java
...
@Liverpool (etc): 1000 unnecessary checks is very, very unlikely to have any significant impact on performance. I might equally point out that the extra character by Dinah's solution added might cause the StringBuilder to have to expand,...
Can you add new statements to Python's syntax?
...zer module. This should allow you to add new keywords, control structures etc while interpreting the source similarly to the python interpreter, thus avoiding the breakage crude regex solutions would cause. For the above "myprint", you could write the following transformation code:
import tokeniz...
PHP and Enumerations
...ract class DaysOfWeek
{
const Sunday = 0;
const Monday = 1;
// etc.
}
$today = DaysOfWeek::Sunday;
However, other use cases may require more validation of constants and values. Based on the comments below about reflection, and a few other notes, here's an expanded example which may be...
Setting CSS pseudo-class rules from JavaScript
...to change the CSS rules for pseudo-class selectors (such as :link, :hover, etc.) from JavaScript.
12 Answers
...
How to sort my paws?
... the order of: Front Left, Hind Right, Front Right, Hind Left, Front Left, etc. The pattern may start with either the front left or front right paw.
If this were always the case, we could simply sort the impacts by initial contact time and use a modulo 4 to group them by paw.
However, even whe...
mongo - couldn't connect to server 127.0.0.1:27017
...hout preserving the original files
To find where you dbpath resides- vim /etc/mongodb.conf
check for option dbpath=
(I have dbpath=/var/lib/mongodb)
Default: /data/db/
Typical locations include: /srv/mongodb, /var/lib/mongodb or /opt/mongodb .
Replace the /var/lib/mongodb with your dbpath
sud...
How to design a database for User Defined Fields?
...ve complete control to use data types,
check constraints, default values, etc.
to define the data domains. Don't underestimate the performance hit resulting from on-the-fly data type conversion. Such
constraints also help RDBMS query
optimizers develop more effective
plans.
Should you ever need to...
Total width of element (including padding and border) in jQuery
...r-box". I just tested it, and it returns the inner width excluding padding etc. This may or may not be correct; different people may expect different things. So the code sample above actually works, but it may not be the most reliable way. As indicated in some other answers, I would recommend using ...