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Relative URLs in WordPress
I've always found it frustrating in WordPress that images, files, links, etc. are inserted into WordPress with an absolute URL instead of relative URL. A relative url is much more convenient for switching domain names, changing between http and https etc. Today I discovered that if you define WP_CON...
How to change the text of a label?
I have a radiobutton list and on click on the radio button item I have to change the text of its label. But for some reason it's not working. Code is below:
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Import SQL dump into PostgreSQL database
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psql databasename < data_base_dump
That's the command you are looking for.
Beware: databasename must be created before importing.
Have a look at the PostgreSQL Docs Chapter 23. Backup and Restore.
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How can I position my div at the bottom of its container?
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Likely not.
Assign position:relative to #container, and then position:absolute; bottom:0; to #copyright.
#container {
position: relative;
}
#copyright {
position: absolute;
bottom: 0;
}
<div id="co...
Restful way for deleting a bunch of items
In wiki article for REST
it is indicated that if you use http://example.com/resources DELETE, that means you are deleting the entire collection.
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How are virtual functions and vtable implemented?
We all know what virtual functions are in C++, but how are they implemented at a deep level?
12 Answers
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PostgreSQL: Difference between text and varchar (character varying)
... difference, under the hood it's all varlena (variable length array).
Check this article from Depesz: http://www.depesz.com/index.php/2010/03/02/charx-vs-varcharx-vs-varchar-vs-text/
A couple of highlights:
To sum it all up:
char(n) – takes too much space when dealing with values sho...
Why unsigned integer is not available in PostgreSQL?
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It is already answered why postgresql lacks unsigned types. However I would suggest to use domains for unsigned types.
http://www.postgresql.org/docs/9.4/static/sql-createdomain.html
CREATE DOMAIN name [ AS ] data_type
[ COLLATE collation ]
[ DEFAULT expres...
Unresolved specs during Gem::Specification.reset:
...n of the gems, the warnings went away.
You can try:
gem cleanup lumberjack
Or:
gem list lumberjack
gem uninstall lumberjack
If you're using Bundler, you can try bundle exec guard (or in my case bundle exec rspec).
sh...
Ajax using https on an http page
...server
Access-Control-Allow-Origin: https://www.mysite.com
http://en.wikipedia.org/wiki/Cross-Origin_Resource_Sharing
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