大约有 16,400 项符合查询结果(耗时:0.0489秒) [XML]
How do I convert an integer to string as part of a PostgreSQL query?
...
Because the number can be up to 15 digits, you'll meed to cast to an 64 bit (8-byte) integer. Try this:
SELECT * FROM table
WHERE myint = mytext::int8
The :: cast operator is historical but convenient. Postgres also conforms to the SQL ...
How to remove underline from a link in HTML?
In my page I have put some links under which I don't want any line, so, how can I remove that using HTML?
8 Answers
...
Django admin: How to display a field that is marked as editable=False' in the model?
Even though a field is marked as 'editable=False' in the model, I would like the admin page to display it. Currently it hides the field altogether.. How can this be achieved ?
...
How do I import the Django DoesNotExist exception?
I'm trying to create a UnitTest to verify that an object has been deleted.
6 Answers
6...
Git merge two local branches
I have branch Master , branchA and branchB .
Now I'm working in the branchA and I need to merge branchA with branchB and proceed my work in the branchA . All files are comitted in the branchA and branchB .
...
MySQL Fire Trigger for both Insert and Update
Is it possible to fire a mysql trigger for both the insert and update events of a table?
3 Answers
...
How can I find out a file's MIME type (Content-Type)?
Is there a way to find out the MIME type (or is it called "Content-Type"?) of a file in a Linux bash script?
5 Answers
...
Get and set position with jQuery .offset()
How to get and set the position of an element with the jQuery .offset method?
5 Answers
...
Replace one character with another in Bash
...
Use inline shell string replacement. Example:
foo=" "
# replace first blank only
bar=${foo/ /.}
# replace all blanks
bar=${foo// /.}
See http://tldp.org/LDP/abs/html/string-manipulation.html for more details.
...
How to delete the last n commits on Github and locally?
I'm trying to delete the last 2 commits from one of my GitHub repositories. I've tried as suggested here : git push -f origin HEAD^^:master . It seems that it works, as the last two commits are removed.
...
