大约有 13,065 项符合查询结果（耗时：0.0409秒） [XML]
Postgresql SELECT if string contains
...
You should use 'tag_name' outside of quotes; then its interpreted as a field of the record. Concatenate using '||' with the literal percent signs:
SELECT id FROM TAG_TABLE WHERE 'aaaaaaaa' LIKE '%' || tag_name || '%';
...
Javascript !instanceof If Statement
This is a really basic question really just to satisfy my curiosity, but is there a way to do something like this:
3 Answer...
Git push/clone to new server
I'm just learning Git and there is something I can't work out. After creating and using a git repository locally on my Mac, can I push a copy to another server somewhere else? I am behind a firewall so unfortunately I can't run git clone from the other machine.
...
Why does javascript map function return undefined?
...
You aren't returning anything in the case that the item is not a string. In that case, the function returns undefined, what you are seeing in the result.
The map function is used to map one value to another, but it looks you a...
INSERT INTO … SELECT FROM … ON DUPLICATE KEY UPDATE
I'm doing an insert query where most of many columns would need to be updated to the new values if a unique key already existed. It goes something like this:
...
Aligning rotated xticklabels with their respective xticks
Check the x axis of the figure below. How can I move the labels a bit to the left so that they align with their respective ticks?
...
What size do you use for varchar(MAX) in your parameter declaration?
I normally set my column size when creating a parameter in ADO.NET
5 Answers
5
...
What's the difference between the four File Results in ASP.NET MVC
ASP.NET has four different types of file results:
2 Answers
2
...
Display milliseconds in Excel
I am trying to display milliseconds in an Excel macro. I have a column of integers which are timestamps in milliseconds (e.g. 28095200 is 7:48:15.200 am), and I want to make a new column next to it which keeps a running average and displays the time in a hh:mm:ss.000 format.
...
What does “#pragma comment” mean?
...
#pragma comment is a compiler directive which indicates Visual C++ to leave a comment in the generated object file. The comment can then be read by the linker when it processes object files.
#pragma comment(lib, libname) tells the linker to add the 'libname' library to the list of l...