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Check status of one port on remote host [closed]
I need a command line that can check the port status on a remote host. I tried ping xxx.xxx.xxx.xxx:161 but it doesn't recognize the "host". I thought it was a "good" answer until I did the same command against a host I know has that port open. This is for a batch file on Windows that will chec...
Obtaining a powerset of a set in Java
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Yes, it is O(2^n) indeed, since you need to generate, well, 2^n possible combinations. Here's a working implementation, using generics and sets:
public static <T> Set<Set<T>> powerSet(Set<T> originalSet) {
Set<Set<T>> sets = new HashSet<Set<T>>(...
Vim clear last search highlighting
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From http://twitter.com/jonbho/status/2194406821
" Clear highlighting on escape in normal mode
nnoremap <esc> :noh<return><esc>
nnoremap <esc>^[ <esc>^[
The second line is needed for mapping to the...
Remove blank lines with grep
...e about how/why this works, I recommend reading up on regular expressions. http://www.regular-expressions.info/tutorial.html
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Map a network drive to be used by a service
...e. You can just create a link in the file system that any app can use. See http://en.wikipedia.org/wiki/NTFS_symbolic_link.
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How to show first commit by 'git log'?
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Get column index from column name in python pandas
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How to get the caller's method name in the called method?
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What is the difference between object keys with quotes and without quotes?
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Nested classes' scope?
...ass A:
a = 42
b = list(a + i for i in range(10))
http://docs.python.org/reference/executionmodel.html#naming-and-binding
The above means:
a function body is a code block and a method is a function, then names defined out of the function body present in a class definition...