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Update Item to Revision vs Revert to Revision
...l only update files of your workingcopy to your choosen revision.
But you cannot continue to work on this revision, as SVN will complain that your workingcopy is out of date.
revert to this revision will undo all changes in your working copy which were made after the selected revision (in your exa...
Add legend to ggplot2 line plot
...mand:
ggplot(dd) + geom_line(aes(x=fecha, y=value, colour=variable)) +
scale_colour_manual(values=c("red","green","blue"))
Example plot
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Is it safe to ignore the possibility of SHA collisions in practice?
Let's say we have a billion unique images, one megabyte each.
We calculate the SHA-256 hash for the contents of each file.
The possibility of collision depends on:
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How many concurrent requests does a single Flask process receive?
...about WSGI and it's HTTP base, Werkzeug. When I start serving a Flask application with gunicorn and 4 worker processes, does this mean that I can handle 4 concurrent requests?
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What are the differences between git remote prune, git prune, git fetch --prune, etc
...s this... someone working on the same repo has deleted a branch from his local & remote repo...
4 Answers
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Is it possible to change icons in Visual Studio 2012?
...ill exclude them from the inversion process. I haven't tried this though because I ran into issues early on when manipulating the images where they wouldn't display right. You could try it but it'll be fairly manual and time consuming and may not even work.
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Object reference not set to an instance of an object.Why doesn't .NET show which object is `null`?
...null
IL_0002: stloc.0 // s
IL_0003: ldloc.0 // s
IL_0004: callvirt System.String.get_Length
IL_0009: call System.Console.WriteLine
It is the callvirt opcode that throws the NullReferenceException and it does that when the first argument on the evaluation stack is a null...
What is the difference between inversedBy and mappedBy?
I am developing my application using Zend Framework 2 and Doctrine 2.
4 Answers
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Python __str__ versus __unicode__
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It depends. Because python3 does not uses unicode but instead str ;) for python 2 unicode
– Eddwin Paz
Oct 3 '17 at 1:04
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Does const mean thread-safe in C++11?
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Two expression evaluations conflict if one of them modifies a memory location (1.7) and the other one accesses or modifies the same memory location.
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The execution of a program contains a data race if it contains two conflicting actions in different threads, at least one of which is not...