大约有 42,000 项符合查询结果（耗时：0.0516秒） [XML]
A semantics for Bash scripts?
...ripts that appear to work. However, I don't really know what's going on, and I was hoping for a more formal introduction to Bash as a programming language. For example: What is the evaluation order? what are the scoping rules? What is the typing discipline, e.g. is everything a string? What is the...
Why can't decimal numbers be represented exactly in binary?
...e the == operator to compare it to another floating-point number. I understand the principles behind floating-point representation.
...
How does “cat
...seen.
All of the lines read up to that point are then used as the
standard input for a command.
The format of here-documents is:
<<[-]word
here-document
delimiter
No parameter expansion, command substitution, arithmetic expansion, or
p...
Best way to determine user's locale within browser
I have a website (Flash) localized into a dozen of languages and I want to auto-define a default value depending on the user's browser settings in order to minimize the steps to access the content.
...
Case insensitive string compare in LINQ-to-SQL
I've read that it's unwise to use ToUpper and ToLower to perform case-insensitive string comparisons, but I see no alternative when it comes to LINQ-to-SQL. The ignoreCase and CompareOptions arguments of String.Compare are ignored by LINQ-to-SQL (if you're using a case-sensitive database, you get a ...
What are the precise rules for when you can omit parenthesis, dots, braces, = (functions), etc.?
... I'll try to make it clear.
You can omit dot when using the prefix, infix and postfix notations -- the so called operator notation. While using the operator notation, and only then, you can omit the parenthesis if there is less than two parameters passed to the method.
Now, the operator notation i...
UTF-8, UTF-16, and UTF-32
What are the differences between UTF-8, UTF-16, and UTF-32?
12 Answers
12
...
Encrypting & Decrypting a String in C# [duplicate]
...er seems to be getting a lot of upvotes, I've updated it to fix silly bugs and to generally improve the code based upon comments and feedback. See the end of the post for a list of specific improvements.
As other people have said, Cryptography is not simple so it's best to avoid "rolling your own"...
submitting a GET form with query string params and hidden params disappear
...RFC1866, page 46; HTML 4.x section 17.13.3) state:
If the method is "get" and the action is an HTTP URI, the user agent takes the value of action, appends a `?' to it, then appends the form data set, encoded using the "application/x-www-form-urlencoded" content type.
Maybe one could percent-encode...
Docker - a way to give access to a host USB or serial device?
...in /dev/bus/usb, you can mount this in the container using privileged mode and the volumes option. For example:
docker run -t -i --privileged -v /dev/bus/usb:/dev/bus/usb ubuntu bash
Note that as the name implies, --privileged is insecure and should be handled with care.
...