大约有 40,000 项符合查询结果(耗时:0.0756秒) [XML]
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?
...
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...
How do you take a git diff file, and apply it to a local branch that is a copy of the same repositor
I have a .diff file created by a coworker, and would like to apply the changes listed in that diff file to my local branch of the exact same repository. I do not have access to that worker's pc or branch that was used to generate this diff file.
...
Uses of content-disposition in an HTTP response header
I have found the following asp.net code to be very useful when serving files from a database:
6 Answers
...
How to list records with date from the last 10 days?
...
Yes this does work in PostgreSQL (assuming the column "date" is of datatype date)
Why don't you just try it?
The standard ANSI SQL format would be:
SELECT Table.date
FROM Table
WHERE date > current_date - interval '10' day;
I prefer that format as it m...
Is there StartsWith or Contains in t sql with variables?
I am trying to detect if the server is running Express Edition.
3 Answers
3
...
How do I get rid of this unwanted bar from Eclipse?
...combination of keys which made this bar appear when I was doing some shortcuts. This question has probably being answered before but since I don't know the exact name of the bar googling the problem has being fruitless. I've spent two hours trying to fix it. So anyone know how to get rid of this bar...
Tell Ruby Program to Wait some amount of time
How do you tell a Ruby program to wait an arbitrary amount of time before moving on to the next line of code?
6 Answers
...