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Passing argument to alias in bash [duplicate]
...and definition (for each defined alias, keyword, function, builtin or executable file):
type -a foo
Or type only (for the highest precedence occurrence):
type -t foo
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How create table only using tag and Css
I want to create table only using <div> tag and CSS.
8 Answers
8
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clear table jquery
I have an HTML table filled with a number of rows.
10 Answers
10
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How can I store my users' passwords safely?
...s anymore! This is only here for historical purposes.
Take a look at: Portable PHP password hashing framework: phpass and make sure you use the CRYPT_BLOWFISH algorithm if at all possible.
Example of code using phpass (v0.2):
<?php
require('PasswordHash.php');
$pwdHasher = new PasswordHash(8...
Sql Server 'Saving changes is not permitted' error ► Prevent saving changes that require table re-cr
When I create a table in SQL Server and save it, if I try to edit the table design, like change a column type from int to real, I get this error:
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完美解决phpcms批量移动内容后，新闻心情、评论排行等不更新的问题 - 更多...
...{
$this->comment_data_db->table_name($comment['tableid']);
$this->comment_data_db->update(array('commentid'=>$newcommentid), array('commentid'=>$commentid));
}
...
Make div (height) occupy parent remaining height
...: calc( 100% - 100px ); }
It is pretty widely supported, with the only notable exceptions being <= IE8 or Safari 5 (no support) and IE9 (partial support). Some other issues include using calc in conjunction with transform or box-shadow, so be sure to test in multiple browsers if that is of conc...
Select Last Row in the Table
I would like to retrieve the last file inserted into my table. I know that the method first() exists and provides you with the first file in the table but I don't know how to get the last insert.
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Is it fine to have foreign key as primary key?
I have two tables:
8 Answers
8
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How can I add a column that doesn't allow nulls in a Postgresql database?
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You have to set a default value.
ALTER TABLE mytable ADD COLUMN mycolumn character varying(50) NOT NULL DEFAULT 'foo';
... some work (set real values as you want)...
ALTER TABLE mytable ALTER COLUMN mycolumn DROP DEFAULT;
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