大约有 40,000 项符合查询结果（耗时：0.0797秒） [XML]
`Apache` `localhost/~username/` not working
...
Looks like you need to uncomment the following:
#LoadModule userdir_module libexec/apache2/mod_userdir.so
and
#Include /private/etc/apache2/extra/httpd-userdir.conf
Then in httpd-userdir.conf you may need to uncomment:
#Include /private/etc/apache2/users/*.conf
Lastly you would need ...
Error 1022 - Can't write; duplicate key in table
...raints are currently in use you can use the following query:
SELECT `TABLE_SCHEMA`, `TABLE_NAME`
FROM `information_schema`.`KEY_COLUMN_USAGE`
WHERE `CONSTRAINT_NAME` IN ('iduser', 'idcategory');
share
|
...
JSON Naming Convention (snake_case, camelCase or PascalCase) [closed]
...nStaxMan
98.6k2828 gold badges184184 silver badges223223 bronze badges
5
...
MySQL indexes - what are the best practices?
I've been using indexes on my MySQL databases for a while now but never properly learnt about them. Generally I put an index on any fields that I will be searching or selecting using a WHERE clause but sometimes it doesn't seem so black and white.
...
What do “branch”, “tag” and “trunk” mean in Subversion repositories?
...a development effort. It should never be named after a resource (like 'vonc_branch') but after:
a purpose 'myProject_dev' or 'myProject_Merge'
a release perimeter 'myProjetc1.0_dev'or myProject2.3_Merge' or 'myProject6..2_Patch1'...
Tag is a snapshot of files in order to easily get back to that s...
targetContentOffsetForProposedContentOffset:withScrollingVelocity without subclassing UICollectionVi
...et to false
– chrs
Apr 14 '16 at 17:32
4
Holy Moly, I had to scroll down like a million miles to ...
Modify table: How to change 'Allow Nulls' attribute from not null to allow null
How to change one attribute in a table using T-SQL to allow nulls (not null --> null)? Alter table maybe?
8 Answers
...
Creating an array of objects in Java
I am new to Java and for the time created an array of objects in Java.
8 Answers
8
...
How can I list all collections in the MongoDB shell?
In the MongoDB shell, how do I list all collections for the current database that I'm using?
22 Answers
...
How can I replace text with CSS?
How can I replace text with CSS using a method like this:
21 Answers
21
...