大约有 47,000 项符合查询结果(耗时:0.0459秒) [XML]
Run Cron job every N minutes plus offset
*/20 * * * *
3 Answers
3
...
What is the best way to test for an empty string in Go?
...
10 Answers
10
Active
...
How to get the separate digits of an int number?
I have numbers like 1100, 1002, 1022 etc. I would like to have the individual digits, for example for the first number 1100 I want to have 1, 1, 0, 0.
...
How to determine if a number is a prime with regex?
...lly, is there zero or one character-- or, per what I mentioned above, n == 0 || n == 1. If we have the match, then return the negation of that. This corresponds with the fact that zero and one are NOT prime.
(..+?)\\1+
The second part of the regex is a little trickier, relying on groups and backr...
Why is address zero used for the null pointer?
...s a pointer with the value zero if it can't get me memory; I use if (p != 0) all the time to make sure passed pointers are valid, etc.
...
How can I check the size of a collection within a Django template?
...
MichielB
3,38011 gold badge2424 silver badges3535 bronze badges
answered May 23 '09 at 17:53
Alex MartelliAlex Mar...
SQL how to increase or decrease one for a int column in one command
...
answered Jun 10 '09 at 2:01
gahooagahooa
108k1212 gold badges8686 silver badges9393 bronze badges
...
An error occurred while installing pg (0.17.1), and Bundler cannot continue
I just installed Rails 4.0.2 and when creating a new app, in the bundle stage I get:
16 Answers
...
Why does changing the sum order returns a different result?
...
+500
Maybe this question is stupid, but why does simply changing the order of the elements affects the result?
It will change the poi...
Setting Short Value Java
...a method setTableId(Short tableId) . Now when I try to write setTableId(100) it gives compile time error. How can I set the short value without declaring another short variable?
...
