大约有 20,000 项符合查询结果（耗时：0.0311秒） [XML]
How can I find all of the distinct file extensions in a folder hierarchy?
On a Linux machine I would like to traverse a folder hierarchy and get a list of all of the distinct file extensions within it.
...
Capitalize the first letter of both words in a two word string
...
The base R function to perform capitalization is toupper(x). From the help file for ?toupper there is this function that does what you need:
simpleCap <- function(x) {
s <- strsplit(x, " ")[[1]]
paste(toupper(substring(s, 1,1...
Is 'switch' faster than 'if'?
Is a switch statement actually faster than an if statement?
12 Answers
12
...
pretty-print JSON using JavaScript
How can I display JSON in an easy-to-read (for human readers) format? I'm looking primarily for indentation and whitespace, with perhaps even colors / font-styles / etc.
...
Unicode (UTF-8) reading and writing to files in Python
I'm having some brain failure in understanding reading and writing text to a file (Python 2.4).
14 Answers
...
MySQL ERROR 1045 (28000): Access denied for user 'bill'@'localhost' (using password: YES)
First let me mention that I've gone through many suggested questions and found no relevent answer. Here is what I'm doing.
...
Only using @JsonIgnore during serialization, but not deserialization
I have a user object that is sent to and from the server. When I send out the user object, I don't want to send the hashed password to the client. So, I added @JsonIgnore on the password property, but this also blocks it from being deserialized into the password that makes it hard to sign up users...
Search for executable files using find command
What type of parameter/flag can I use with the Unix find command so that I search executables?
10 Answers
...
Include another JSP file
I am currently trying to learn JSP. My question is, at present I used to include the header and footer of the page using:
6...
How does one generate a random number in Apple's Swift language?
I realize the Swift book provided an implementation of a random number generator. Is the best practice to copy and paste this implementation in one's own program? Or is there a library that does this that we can use now?
...