大约有 47,000 项符合查询结果（耗时：0.0882秒） [XML]
is_file or file_exists in PHP
I need to check if a file is on HDD at a specified location ($path.$file_name).
5 Answers
...
Most efficient way to remove special characters from string
I want to remove all special characters from a string. Allowed characters are A-Z (uppercase or lowercase), numbers (0-9), underscore (_), or the dot sign (.).
...
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 sort strings in JavaScript
I have a list of objects I wish to sort based on a field attr of type string. I tried using -
11 Answers
...
How can I generate UUID in C#
I am creating an .idl file programmatically. How do I create UUIDs for the interfaces and Methods Programmatically.
5 Answ...
Return positions of a regex match() in Javascript?
Is there a way to retrieve the (starting) character positions inside a string of the results of a regex match() in Javascript?
...
How to print binary tree diagram?
How can I print a binary tree in Java so that the output is like:
28 Answers
28
...
Check if item is in an array / list
If I've got an array of strings, can I check to see if a string is in the array without doing a for loop? Specifically, I'm looking for a way to do it within an if statement, so something like this:
...
Is there a way to automatically build the package.json file for Node.js projects
Is package.json supposed to be manually edited? Couldn't a program like npm just look through the files, see the "require" statements, and then use that to put the necessary entries in the package.json file? Are there any programs like that?
...
How do I position one image on top of another in HTML?
I'm a beginner at rails programming, attempting to show many images on a page. Some images are to lay on top of others. To make it simple, say I want a blue square, with a red square in the upper right corner of the blue square (but not tight in the corner). I am trying to avoid compositing (with...