大约有 41,758 项符合查询结果（耗时：0.0444秒） [XML]
Running a cron every 30 seconds
Ok so I have a cron that I need to run every 30 seconds.
19 Answers
19
...
What does it mean by buffer?
I see the word "BUFFER" everywhere, but I am unable to grasp what it exactly is.
8 Answers
...
How are people managing authentication in Go? [closed]
For those building RESTful APIs and JS front-end apps in Go, how are you managing authentication? Are you using any particular libraries or techniques?
...
Why does a base64 encoded string have an = sign at the end
I know what base64 encoding is and how to calculate base64 encoding in C#, however I have seen several times that when I convert a string into base64, there is an = at the end.
...
How can I scale an image in a CSS sprite
In this article, http://css-tricks.com/css-sprites/ , it talks about how can I crop off a smaller image from 1 bigger image. Can you please tell me if it is possible/how I can crop off a smaller image and then scale the cropped off region before I lay it out?
...
Mysql: Select rows from a table that are not in another
How to select all rows in one table that do not appear on another?
8 Answers
8
...
Is there a MySQL command to convert a string to lowercase?
I have a MySQL database of keywords that are presently mixed-case. However, I want to convert them all to lowercase. Is there an easy command to do this, either using MySQL or MySQL and PHP?
...
Counting DISTINCT over multiple columns
Is there a better way of doing a query like this:
19 Answers
19
...
Is there a concise way to iterate over a stream with indices in Java 8?
Is there a concise way to iterate over a stream whilst having access to the index in the stream?
22 Answers
...
In git, is there a simple way of introducing an unrelated branch to a repository?
While helping a friend with a git problem today, I had to introduce a
branch that needed to be totally separate from the master branch.
The contents of this branch really had a different origin from what
had been developed on the master branch, but they were going to be
merged into the master ...