大约有 42,000 项符合查询结果（耗时：0.0709秒） [XML]
PostgreSQL Crosstab Query
... , status text
, ct integer -- "count" is a reserved word in standard SQL
);
INSERT INTO tbl VALUES
('A', 'Active', 1), ('A', 'Inactive', 2)
, ('B', 'Active', 4), ('B', 'Inactive', 5)
, ('C', 'Inactive', 7); -- ('C', 'Active') is missing
Simple form - not fit f...
Take all my changes on the current branch and move them to a new branch in Git
... checkout -b edge
Your files haven't changed. Just git add what needs to and commit as usual.
When you're done committing on edge, switch back to master with git checkout and git merge edge.
share
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How is the AND/OR operator represented as in Regular Expressions?
...ou want to build a the regex dynamically to contain other words than part1 and part2, and that you want order not to matter. If so you can use something like this:
((^|, )(part1|part2|part3))+$
Positive matches:
part1
part2, part1
part1, part2, part3
Negative matches:
part1, //with ...
How to compare files from two different branches?
I have a script that works fine in one branch and is broken in another. I want to look at the two versions side-by-side and see what's different. Are there any ways to do this?
...
Do you leave parentheses in or out in Ruby? [closed]
...ve out empty parentheses
The parentheses can be left out of a single command that is surrounded by
ERb delimiters -- the ERb markers make
sure the code is still readable
A line that is a single command and a single simple argument can be
written without the parenthesis.
Personally, I fin...
How to remove the underline for anchors(links)?
Is there anyway (in CSS) to avoid the underline for the text and links introduced in the page .. ?
15 Answers
...
How to create unit tests easily in eclipse [closed]
...ing: "This actually a JUnit test" in my class :) I wanted something simple and working.
– kiedysktos
Jun 15 '16 at 9:29
...
How to sort findAll Doctrine's method?
...own, yes it's possible, although it adds significant fat to the controller and isn't DRY.
You should really define your own query in the entity repository, it's simple and best practice.
use Doctrine\ORM\EntityRepository;
class UserRepository extends EntityRepository
{
public function findAll...
Delete with Join in MySQL
...oject_id
WHERE projects.client_id = :client_id
In this case, table_name1 and table_name2 are the same table, so this will work:
DELETE projects FROM posts INNER JOIN [...]
You can even delete from both tables if you wanted to:
DELETE posts, projects FROM posts INNER JOIN [...]
Note that orde...
How to get the current URL within a Django template?
...
Django 1.9 and above:
## template
{{ request.path }} # -without GET parameters
{{ request.get_full_path }} # - with GET parameters
Old:
## settings.py
TEMPLATE_CONTEXT_PROCESSORS = (
'django.core.context_processors.request',...