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Design patterns or best practices for shell scripts [closed]
...do object oriented programming, unless you build a quite complex system of allocation of objects (I thought about that. it's feasible, but insane).
In practice, you can however do "Singleton oriented programming": you have one instance of each object, and only one.
What I do is: i define an object ...
Learning Python from Ruby; Differences and Similarities
...ifferent between the two languages. Here, the problem is that you want to allocate some resource (open a file, obtain a database cursor, etc), perform some arbitrary operation on it, and then close it in a safe manner even if an exception occurs.
In Ruby, because blocks are so easy to use (see #9)...
SQL - Update multiple records in one query
...
Camille's solution worked. Turned it into a basic PHP function, which writes up the SQL statement. Hope this helps someone else.
function _bulk_sql_update_query($table, $array)
{
/*
* Example:
INSERT INTO mytable (id, a, b, c)
VALUES...
How to read and write into file using JavaScript?
... Also, depending on your situation you could make an ajax call to a php script and dump the data that way. This was useful in my situation where I wanted to store some data generated on the javascript side, but didn't matter how it got there.
– Dustin Graham
...
Centering a background image, using CSS
...
screenshot - imagevat.com/picview.php?ig=6179 I am not sure how to upload images to jsfiddle, if you can help me out there jsfiddle.net/yWrQP
– X10nD
Apr 15 '10 at 7:52
...
Best way to synchronize local HTML5 DB (WebSQL Storage, SQLite) with a server (2 way sync) [closed]
...server)
And there is also Impel.inTouch. It looks very easy to use (with php files included), but you must use the Mootools framework in the client side :
http://impel.simulacre.org/api/Impel.inTouch
Sencha has also a synchronisation service: Sencha.io. Looks great, but it's dependent of the S...
How do I rename all folders and files to lowercase on Linux?
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linux.icydog.net/rename.php: The renaming utility that comes by default with Ubuntu is a Perl program sometimes called prename
– sleepsort
May 8 '13 at 15:19
...
Uses for Optional
...) { return Optional.ofNullable(parent); }. This looks expensive because it allocates an Optional every time! But if the caller unpacks it immediately, the object is extremely short-lived and is never promoted out of eden space. It might possibly even be eliminated by the JIT's escape analysis. The b...
What is the recommended approach towards multi-tenant databases in MongoDB?
...decided not to have a database per
customer because of the way MongoDB
allocates its data files. Each
database uses it’s own set of files:
The first file for a database is
dbname.0, then dbname.1, etc. dbname.0
will be 64MB, dbname.1 128MB, etc., up
to 2GB. Once the fil...
jQuery validation: change default error message
... required: true,
minlength: 2,
remote: "users.php"
}
},
messages: {
firstname: "Enter your firstname",
lastname: "Enter your lastname",
username: {
required: "Enter a username",
minlength: jQuery.format("Ent...