大约有 47,000 项符合查询结果(耗时:0.1064秒) [XML]
Restrict varchar() column to specific values?
...
Thank you - this worked great. One small change I had to make though was that "Frequency IN...." had to be enclosed in parenthesis too. SQL server studio didn't like it without for some reason.
– Adam
Mar 14 '10 at 8:...
What was the strangest coding standard rule that you were forced to follow? [closed]
... Oh my god ... Can I meet the sociopath who came up with that one? He could teach me a thing or two about misanthropy.
– John Rudy
Oct 20 '08 at 21:46
23
...
How do I ignore files in a directory in Git?
...entical. The only time you need to put a leading slash is when there isn't one in the path already. For example, to ignore foo only at the top level of the repository, use /foo. Simply writing foo would ignore anything called foo anywhere in the repository.
Your wildcards are also redundant. If you...
python setup.py uninstall
...ty module:
>>> import my_module
>>> my_module.__file__
None
Once deleted, Python shows:
>>> import my_module
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ModuleNotFoundError: No module named 'my_module'
...
How do I use su to execute the rest of the bash script as that user?
...ID of root is 0, so the first id will show you some number, but the second one will definetly show 0 (because the second one was executed inside a block run by root). You can user whoami instead of id which will return the name instead of the id
– Mohammed Noureldin
...
Find all records which have a count of an association greater than zero
... the code above will return duplicate projects for projects with more than one vacancies. To remove the duplicates, use
Project.joins(:vacancies).group('projects.id')
UPDATE:
As pointed out by @Tolsee, you can also use distinct.
Project.joins(:vacancies).distinct
As an example
[10] pry(main...
PostgreSQL: Modify OWNER on all tables simultaneously in PostgreSQL
...OUR_DB` ; do psql -c "alter table \"$tbl\" owner to NEW_OWNER" YOUR_DB ; done
Sequences:
for tbl in `psql -qAt -c "select sequence_name from information_schema.sequences where sequence_schema = 'public';" YOUR_DB` ; do psql -c "alter sequence \"$tbl\" owner to NEW_OWNER" YOUR_DB ; done
Views:...
Packing NuGet projects compiled in release mode?
...
For anyone who wants the short story from the link (good read, though), there was a change from v1.3 to v1.4 that goes from a default of Release to a default pulled from a project setting that can only be modified in the project fil...
Install a Windows service using a Windows command prompt?
...i, I tried this solution but its giving exception as "...file not found or one of its dependencies." Please help.
– ShaileshDev
Jan 5 '17 at 13:59
...
How to reset AUTO_INCREMENT in MySQL?
...he AUTO_INCREMENT
column, the value is reset to the current maximum plus one. For
InnoDB, if the value is less than the current maximum value in the
column, no error occurs and the current sequence value is not changed.
See How to Reset an MySQL AutoIncrement using a MAX value from another t...
