大约有 41,731 项符合查询结果（耗时：0.0487秒） [XML]
How to show a confirm message before delete?
I want to get a confirm message on clicking delete (this maybe a button or an image). If the user selects ' Ok ' then delete is done, else if ' Cancel ' is clicked nothing happens.
...
Determining complexity for recursive functions (Big O notation)
I have a Computer Science Midterm tomorrow and I need help determining the complexity of these recursive functions. I know how to solve simple cases, but I am still trying to learn how to solve these harder cases. These were just a few of the example problems that I could not figure out. Any help wo...
No submodule mapping found in .gitmodule for a path that's not a submodule
I have a project that has a submodule at lib/three20
15 Answers
15
...
How to properly stop the Thread in Java?
I need a solution to properly stop the thread in Java.
9 Answers
9
...
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?
...
Pure JavaScript equivalent of jQuery's $.ready() - how to call a function when the page/DOM is ready
With jQuery, we all know the wonderful .ready() function:
10 Answers
10
...
Create an index on a huge MySQL production table without table locking
I need to create an index on a ~5M rows MySQL table. It is a production table, and I fear a complete block of everything if I run a CREATE INDEX statement...
...
Why implement interface explicitly?
So, what exactly is a good use case for implementing an interface explicitly?
11 Answers
...
Given final block not properly padded
I am trying to implement password based encryption algorithm, but I get this exception:
4 Answers
...
Create a folder if it doesn't already exist
I've run into a few cases with WordPress installs with Bluehost where I've encountered errors with my WordPress theme because the uploads folder wp-content/uploads was not present.
...