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How do you match only valid roman numerals with a regular expression?
...al letter). Should work in PCRE, Perl, Python and Ruby.
Online Ruby demo: http://rubular.com/r/KLPR1zq3Hj
Online Conversion: http://www.onlineconversion.com/roman_numerals_advanced.htm
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What should I do if the current ASP.NET session is null?
...hich you will only rarely run into:
If you have disabled the SessionState http module, disabling sessions altogether
If your code runs before the HttpApplication.AcquireRequestState event.
Your code runs in an IHttpHandler, that does not specify either the IRequiresSessionState or IReadOnlySessionS...
Android: How to put an Enum in a Bundle?
...es not scale to arrays of things that contain enum, etc. See stackoverflow.com/a/5551155/175156
– yincrash
Jun 18 '14 at 19:30
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Convert a Unix timestamp to time in JavaScript
...656925 - Multiplication involves numbers, concatenation involves strings. Computers handle numbers far more efficiently than strings. When string concatenation is done, there's a lot of memory management going on in the background. (However, if you're already doing a string concatenation anyway, ...
Receiving login prompt using integrated windows authentication
...h your local machine name:
Follow this support article to fix the issue:
https://webconnection.west-wind.com/docs/_4gi0ql5jb.htm (original, now defunct: http://support.microsoft.com/kb/896861)
From the support article, to ensure it doesn't get lost:
The work around is a registry hack that dis...
Determine on iPhone if user has enabled push notifications
...tumpotato pointed out, this answer no longer handles all cases and isn't a complete solution.
– DBD
Sep 17 '12 at 14:52
5
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Store output of subprocess.Popen call in a string
...
subprocess.Popen: http://docs.python.org/2/library/subprocess.html#subprocess.Popen
import subprocess
command = "ntpq -p" # the shell command
process = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=None, shell=True)
#Launch the ...
npm failed to install time with make not found error
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
How to find if an array contains a specific string in JavaScript/jQuery? [duplicate]
...console.log(foundPresent, foundNotPresent); // true false
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
Edit 3.5 years later
$.inArray is effectively a wrapper for Array.prototype.indexOf in browsers that support it (almost all of the...
Rails :include vs. :joins
...s if you used :include this information is ready for use.
Great example:
http://railscasts.com/episodes/181-include-vs-joins
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