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How to not run an example using roxygen2?
...sulting line of gctemplate is to indicate the
#' ## (conditonal, partial, etc.) G-causality from variable 1 to variables 2 and 5
#' ## conditonal on variables 3 and 4.
#' # gctemplate(5,1,2)
#' ## The number of all G-causalities to be searched in the above pattern.
#' #dim(gctemplate(5,1,2))[[1]]
...
How can I split a shell command over multiple lines when using an IF statement?
...
For Windows/WSL/Cygwin etc users:
Make sure that your line endings are standard Unix line feeds, i.e. \n (LF) only.
Using Windows line endings \r\n (CRLF) line endings will break the command line break.
This is because having \ at the end of a...
How to git-cherry-pick only changes to certain files?
...y chunk of continuous code change which you can then signal y (Yes) n (No) etc for each chunk of code.
The -p or patch option works for a variety of commands in git including git stash save -p which allows you to choose what you want to stash from your current work
I sometimes use this technique w...
Hash and salt passwords in C#
... | ((uint)(buffer[offset + 3]));
}
Note this requires Microsoft.AspNetCore.Cryptography.KeyDerivation nuget package installed which requires .NET Standard 2.0 (.NET 4.6.1 or higher). For earlier versions of .NET see the Crypto class from Microsoft's System.Web.Helpers library.
Update Nov 201...
How can I find where I will be redirected using cURL?
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Oh, so you don't actually want to fetch the page? Just find out the location? In that case, I'd suggest the tactic used here: zzz.rezo.net/HowTo-Expand-Short-URLs.html -- basically just grab the header from the page that redirects, and grab the Location: heade...
In Python, how do I use urllib to see if a website is 404 or 200?
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The getcode() method (Added in python2.6) returns the HTTP status code that was sent with the response, or None if the URL is no HTTP URL.
>>> a=urllib.urlopen('http://www.google.com/asdfsf')
>>> a.getcode()
404...
Cosmic Rays: what is the probability they will affect a program?
... Makers go to huge lengths to make sure the silicon, solder, encapsulation etc doesn't contain any alpha or beta emitters.
– Martin Beckett
Apr 6 '10 at 3:12
16
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Should I be concerned about excess, non-running, Docker containers?
...which are required to run that piece of software (for example mysql, redis etc.) with basic configurations in a container environment.
When you create a container using an image, a small section of resources from your system are isolated with the help of namespacing and cgroups, and then the files i...
Why isn't there a Guid.IsNullOrEmpty() method
... to know whether you are working with Guid? or Guid (nice for re-factoring etc.).
/// <summary>
/// Determines if Guid is Guid.Empty
/// </summary>
public static bool IsNullOrEmpty(this Guid guid)
{
return (guid == Guid.Empty);
}
Now you could use someGuid.IsNullOrEmpty(); in all ca...
What is the largest Safe UDP Packet Size on the Internet
...llows it doesn't mean it's always a good idea, since intermediate routers, etc. might be forced to fragment larger packet sizes (as you mentioned).
– rogerdpack
Nov 15 '13 at 13:55
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