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Regex: Specify “space or start of string” and “space or end of string”
Imagine you are trying to pattern match "stackoverflow".
4 Answers
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Converting String to “Character” array in Java
I want to convert a String to an array of objects of Character class but I am unable to perform the conversion. I know that I can convert a String to an array of primitive datatype type "char" with the toCharArray() method but it doesn't help in converting a String to an array of objects of C...
Setting a timeout for socket operations
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Use the Socket() constructor, and connect(SocketAddress endpoint, int timeout) method instead.
In your case it would look something like:
Socket socket = new Socket();
socket.connect(new InetSocketAddress(ipAddress, port), 1000);
Quoting from the documentation
connect
public void con...
Fetch first element which matches criteria
How to get first element that matches a criteria in a stream? I've tried this but doesn't work
3 Answers
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Windows recursive grep command-line
I need to do a recursive grep in Windows, something like this in Unix/Linux:
8 Answers
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Explaining Python's '__enter__' and '__exit__'
I saw this in someone's code. What does it mean?
6 Answers
6
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Output first 100 characters in a string
Can seem to find a substring function in python.
8 Answers
8
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How do I print the elements of a C++ vector in GDB?
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A little late to the party, so mostly a reminder to me next time I do this search!
I have been able to use:
p/x *(&vec[2])@4
to print 4 elements (as hex) from vec starting at vec[2].
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How to loop through file names returned by find?
...ame '*.txt' -exec process {} \; (see the bottom of this post). If you have time, read through the rest to see several different ways and the problems with most of them.
The full answer:
The best way depends on what you want to do, but here are a few options. As long as no file or folder in the s...
In Python, how do I create a string of n characters in one line of code?
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To simply repeat the same letter 10 times:
string_val = "x" * 10 # gives you "xxxxxxxxxx"
And if you want something more complex, like n random lowercase letters, it's still only one line of code (not counting the import statements and defining n):
from ra...