大约有 16,000 项符合查询结果（耗时：0.0294秒） [XML]
MySQL, update multiple tables with one query
I have a function that updates three tables, but I use three queries to perform this. I wish to use a more convenient approach for good practice.
...
Split string based on a regular expression
I have the output of a command in tabular form. I'm parsing this output from a result file and storing it in a string. Each element in one row is separated by one or more whitespace characters, thus I'm using regular expressions to match 1 or more spaces and split it. However, a space is being inser...
How do I count unique values inside a list
... the user for input and store the values in an array / list.
Then when a blank line is entered it will tell the user how many of those values are unique.
I'm building this for real life reasons and not as a problem set.
...
What is the opposite of evt.preventDefault();
...ce I've fired an evt.preventDefault() , how can I resume default actions again?
18 Answers
...
Regular expression for matching HH:MM time format
I want a regexp for matching time in HH:MM format. Here's what I have, and it works:
19 Answers
...
How to concatenate columns in a Postgres SELECT?
I have two string columns a and b in a table foo .
8 Answers
8
...
Python function as a function argument?
Can a Python function be an argument of another function?
10 Answers
10
...
Undefined reference to pthread_create in Linux
I picked up the following demo off the web from https://computing.llnl.gov/tutorials/pthreads/
14 Answers
...
Expand a div to fill the remaining width
I want a two-column div layout, where each one can have variable width e.g.
21 Answers
...
Are PHP Variables passed by value or by reference?
Are PHP variables passed by value or by reference?
14 Answers
14
...