大约有 47,000 项符合查询结果（耗时：0.0433秒） [XML]
How to get the first word of a sentence in PHP?
I want to extract the first word of a variable from a string. For example, take this input:
22 Answers
...
Is there a performance difference between i++ and ++i in C++?
We have the question is there a performance difference between i++ and ++i in C?
17 Answers
...
How to get the max of two values in MySQL?
I tried but failed:
3 Answers
3
...
How to make a HTML Page in A4 paper size page(s)?
Is it possible to make a HTML page behave, for example, like a A4-sized page in MS Word?
15 Answers
...
What is the default initialization of an array in Java?
So I'm declaring and initializing an int array:
7 Answers
7
...
What is a “memory stomp”?
I just came across this blog post which mentions “stomping memory”:
3 Answers
3
...
How can I check the size of a collection within a Django template?
I have a list in my Django template. I want to do something only if the size of the list is greater than zero.
7 Answers...
Why does changing the sum order returns a different result?
Why does changing the sum order returns a different result?
6 Answers
6
...
How do I get a list of column names from a psycopg2 cursor?
I would like a general way to generate column labels directly from the selected column names, and recall seeing that python's psycopg2 module supports this feature.
...
Defining a percentage width for a LinearLayout? [duplicate]
I want to define a percentage width (70%) for a LinearLayout that contains some buttons, so that I can center it and so that the child buttons can fill_parent. Here's a picture showing what I mean:
...