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Negative matching using grep (match lines that do not contain foo)
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@OlleHärstedt, I think I misunderstood your scenario in my previous comment, the following may be what you're looking for grep "" /dev/null * | grep foo | grep -v bar | cut -d: -f1 | sort -u (why the first grep?, there's always a ...
UILabel Align Text to center
... Apr 30 '18 at 11:58
Linus Unnebäck
14k99 gold badges5959 silver badges7575 bronze badges
answered Jul 12 '12 at 8:20
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What's the difference between Jetty and Netty?
...ients. It greatly simplifies and streamlines network programming
such as TCP and UDP socket server.
So Netty is focusing on helping to write NIO/non-blocking, asynchronous network programs.
If you deal a lot with network protocols and want it to be non-blocking use Netty (usually for high-perf...
Generate list of all possible permutations of a string
...t? (referring to line 1 and 3 in the pseudocode).
– Håvard Geithus
May 26 '12 at 17:25
6
What is...
How to print Unicode character in Python?
...o write results to a file. This solved it for me.
– Pål Thingbø
Oct 18 '17 at 8:52
Thank you so much. Spent hours go...
git:// protocol blocked by company, how can I get around that?
... (192.30.252.131)
Host is up (0.24s latency).
PORT STATE SERVICE
80/tcp open http
9418/tcp filtered git
# Using Netcat:
# Returns 0 if the git protocol port IS NOT blocked
# Returns 1 if the git protocol port IS blocked
$ nc github.com 9418 < /dev/null; echo $?
1
# Using CURL
# Ret...
Convert a String representation of a Dictionary to a dictionary?
How can I convert the str representation of a dict , such as the following string, into a dict ?
9 Answers
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C# How can I check if a URL exists/is valid?
...ps you can refine the solution by differentiating between different cases (TCP connection failure - host refuses connection, 5xx - Something fatal happened, 404 - Resource not found etc). Have a look at the Status property of WebException ;)
– David Taylor
May ...
C# 4.0: Can I use a TimeSpan as an optional parameter with a default value?
...efaultTimespan) and public Foo(Timespan ts)
– johan mårtensson
Nov 3 '17 at 11:39
add a comm...
SQLAlchemy: What's the difference between flush() and commit()?
...ed Jan 6 '18 at 8:55
Ilja Everilä
36.5k55 gold badges7272 silver badges8686 bronze badges
answered Nov 17 '10 at 6:25
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