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How do I replace whitespaces with underscore?
I want to replace whitespace with underscore in a string to create nice URLs. So that for example:
13 Answers
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How to reverse a 'rails generate'
...y using the rails generate command.
For example:
rails g model Home name:string
creates a model named home with attribute name. To remove the files and code generated from that command we can use
rails d model Home
sh...
Input from the keyboard in command line application
...out dropping down in to C:
My solution is as follows:
func input() -> String {
var keyboard = NSFileHandle.fileHandleWithStandardInput()
var inputData = keyboard.availableData
return NSString(data: inputData, encoding:NSUTF8StringEncoding)!
}
More recent versions of Xcode need an ...
What is the simplest way to convert a Java string from all caps (words separated by underscores) to
...t all. What's the simplest/most elegant way that I can convert, in Java, a string from the format "THIS_IS_AN_EXAMPLE_STRING" to the format " ThisIsAnExampleString "? I figure there must be at least one way to do it using String.replaceAll() and a regex.
...
Is arr.__len__() the preferred way to get the length of an array in Python?
...The same works for tuples:
my_tuple = (1,2,3,4,5)
len(my_tuple)
# 5
And strings, which are really just arrays of characters:
my_string = 'hello world'
len(my_string)
# 11
It was intentionally done this way so that lists, tuples and other container types or iterables didn't all need to explicit...
Why are local variables not initialized in Java?
... chain to the previous exception? I don't remember. Even so, you'd have an extra exception in the way of the real one.)
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Explain the use of a bit vector for determining if all characters are unique
...it in your code states whether the character with bit's index was found in string or not. You could use bit vector for the same reason instead of int. There are two differences between them:
Size. int has fixed size, usually 4 bytes which means 8*4=32 bits (flags). Bit vector usually can be of dif...
UnicodeDecodeError: 'ascii' codec can't decode byte 0xef in position 1
I'm having a few issues trying to encode a string to UTF-8. I've tried numerous things, including using string.encode('utf-8') and unicode(string) , but I get the error:
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GIT commit as different user without email / or only email
... the existing commits and use the first commit that contains your provided string.
Examples:
Only user name
Omit the email address explicitly:
git commit --author="John Doe <>" -m "Impersonation is evil."
Only email
Technically this isn't possible. You can however enter the email addres...
How to retrieve a file from a server via SFTP?
...ndling is left as an exercise for the reader :-)
JSch jsch = new JSch();
String knownHostsFilename = "/home/username/.ssh/known_hosts";
jsch.setKnownHosts( knownHostsFilename );
Session session = jsch.getSession( "remote-username", "remote-host" );
{
// "interactive" version
// can select...