大约有 11,400 项符合查询结果（耗时：0.0321秒） [XML]
Check if a temporary table exists and delete if it exists before creating a temporary table
I am using the following code to check if the temporary table exists and drop the table if it exists before creating again. It works fine as long as I don't change the columns. If I add a column later, it will give an error saying "invalid column". Please let me know what I am doing wrong.
...
Using 'starts with' selector on individual class names
...
answered Feb 1 '10 at 17:01
Josh StodolaJosh Stodola
76.3k4242 gold badges177177 silver badges220220 bronze badges
...
How can I measure the similarity between two images? [closed]
I would like to compare a screenshot of one application (could be a Web page) with a previously taken screenshot to determine whether the application is displaying itself correctly. I don't want an exact match comparison, because the aspect could be slightly different (in the case of a Web app, depe...
Convert an image to grayscale in HTML/CSS
Is there a simple way to display a color bitmap in grayscale with just HTML/CSS ?
25 Answers
...
How to abort an interactive rebase if --abort doesn't work?
I've got myself into a muddle via an interactive rebase, and I now wish to abort it. (i.e. go back to the point before I was dropped into interactive rebase mode, in my case via git pull --rebase .) The way to do this seems to be via git rebase --abort , but this doesn't work:
...
Is it valid to replace http:// with // in a ?
...tax", Section 4.2. If a client chokes on it, then it's the client's fault because they're not complying with the URI syntax specified in the RFC.
Your example is valid and should work. I've used that relative URL method myself on heavily trafficked sites and have had zero complaints. Also, we te...
What is the proper way to display the full InnerException?
...
JonJon
383k6868 gold badges674674 silver badges755755 bronze badges
...
How to execute a MySQL command from a shell script?
...
You need to use the -p flag to send a password. And it's tricky because you must have no space between -p and the password.
$ mysql -h "server-name" -u "root" "-pXXXXXXXX" "database-name" < "filename.sql"
If you use a space after -p it makes the mysql client prompt you interactively...
Python import csv to list
I have a CSV file with about 2000 records.
13 Answers
13
...
Parse RSS with jQuery
I want to use jQuery to parse RSS feeds. Can this be done with the base jQuery library out of the box or will I need to use a plugin?
...