大约有 47,000 项符合查询结果（耗时：0.0623秒） [XML]
generate days from date range
...es, or temp tables. The subquery generates dates for the last 10,000 days, and could be extended to go as far back or forward as you wish.
select a.Date
from (
select curdate() - INTERVAL (a.a + (10 * b.a) + (100 * c.a) + (1000 * d.a) ) DAY as Date
from (select 0 as a union all select 1 un...
How to remove convexity defects in a Sudoku square?
...ving a Sudoku from an input image using OpenCV (as in Google goggles etc). And I have completed the task, but at the end I found a little problem for which I came here.
...
How do you allow spaces to be entered using scanf?
...
People (and especially beginners) should never use scanf("%s") or gets() or any other functions that do not have buffer overflow protection, unless you know for certain that the input will always be of a specific format (and perhaps ...
Disable Interpolation when Scaling a
...ords, this has everything to do with interpolation of scaled elements , and nothing to do with antialiasing of graphics being drawn on a canvas. I'm not concerned with how the browser draws lines; I care about how the browser renders the canvas element itself when it is scaled up.
...
Insert a line at specific line number with sed or awk
...
mac users: with homebrew, brew install gnu-sed and then use this with gsed
– cwd
Jan 10 '15 at 17:58
4
...
Heroku Postgres - terminate hung query (idle in transaction)
I'm using Heroku with the Crane Postgres option and I was running a query on the database from my local machine when my local machine crashed. If I run
...
How do I return the response from an asynchronous call?
...ide of a function? - Asynchronous code reference
→ If you already understand the problem, skip to the possible solutions below.
The problem
The A in Ajax stands for asynchronous . That means sending the request (or rather receiving the response) is taken out of the normal execution flow. In your ...
What is the purpose of wrapping whole Javascript files in anonymous functions like “(function(){ … }
I have been reading a lot of Javascript lately and I have been noticing that the whole file is wrapped like the following in the .js files to be imported.
...
How can I use pointers in Java?
...have pointers, but I heard that Java programs can be created with pointers and that this can be done by the few who are experts in java. Is it true?
...
How do you normalize a file path in Bash?
...
if you're wanting to chomp part of a filename from the path, "dirname" and "basename" are your friends, and "realpath" is handy too.
dirname /foo/bar/baz
# /foo/bar
basename /foo/bar/baz
# baz
dirname $( dirname /foo/bar/baz )
# /foo
realpath ../foo
# ../foo: No such file or directory
re...