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How to validate IP address in Python? [duplicate]
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Don't parse it. Just ask.
import socket
try:
socket.inet_aton(addr)
# legal
except socket.error:
# Not legal
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What requirement was the tuple designed to solve?
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Old question since 2010, and now in 2017 Dotnet changes and become more smart.
C# 7 introduces language support for tuples, which enables semantic names for the fields of a tuple using new, more efficient tuple types.
In vs 2017 and .Net 4.7 (or installing nuget pa...
How to disable GCC warnings for a few lines of code
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To net everything out, this is an example of temporarily disabling a warning:
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-result"
write(foo, bar, baz);
#pragma GCC diagnostic pop
You can check the...
C# generic type constraint for everything nullable
...oned, you cannot have a compile-time check for it. Generic constraints in .NET are severely lacking, and do not support most scenarios.
However I consider this to be a better solution for run-time checking. It can be optimized at JIT compilation time, since they're both constants.
public class Som...
What is the minimum I have to do to create an RPM file?
... a look at this link.
GUI java software to build rpm: https://sourceforge.net/projects/javarpmbuilder/
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Transparent ARGB hex value
...alpha*255 then round then to hex. Here's a quick converter http://jsfiddle.net/8ajxdLap/4/
function rgb2hex(rgb) {
var rgbm = rgb.match(/^rgba?[\s+]?\([\s+]?(\d+)[\s+]?,[\s+]?(\d+)[\s+]?,[\s+]?(\d+)[\s+]?,[\s+]?((?:[0-9]*[.])?[0-9]+)[\s+]?\)/i);
if (rgbm && rgbm.length === 5) {
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Android: HTTP communication should use “Accept-Encoding: gzip”
...t the gzip header is nowhere to be seen. I am using Wireshark to sniff the network on the server side, and I see no trace of the "gzip" header that I added in android...
– Ted
Feb 16 '14 at 14:21
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SqlException from Entity Framework - New transaction is not allowed because there are other threads
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Did not work for me .NET 4.5. When used the TransactionScope I got the following error "The underlying provider failed on EnlistTransaction.{"The partner transaction manager has disabled its support for remote/network transactions. (Exception fro...
onKeyPress Vs. onKeyUp and onKeyDown
...n @Falk's post to demonstrate the idiosynchracies (using jquery): jsfiddle.net/zG9MF/2
– fordareh
Oct 30 '13 at 18:53
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background:none vs background:transparent what is the difference?
...?? Are all values setted to none? Check the console on this demo jsfiddle.net/dnzy2/6
– DaniP
Dec 26 '13 at 12:42
whe...