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How to view revision history for Mercurial file?
...seHg:
Windows users can use Windows Explorer and view the revision history by right-clicking on the file.
For Linux users, you can do it within TortoiseHg but it took me a while to figure out how. You need to right-click on the desired file and select "File History". However, for some mysterious re...
Make a program run slowly
Is there any way to run a C++ program slower by changing any OS parameters in Linux? In this way I would like to simulate what will happen if that particular program happens to run on a real slower machine.
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Unicode (UTF-8) reading and writing to files in Python
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In the notation
u'Capit\xe1n\n'
the "\xe1" represents just one byte. "\x" tells you that "e1" is in hexadecimal.
When you write
Capit\xc3\xa1n
into your file you have "\xc3" in it. Those are 4 bytes and in your code you read them all. You can see this when you display them:
>>&...
How is Docker different from a virtual machine?
...a full VM.
From comments...
Interesting! I suppose I'm still confused by the notion of "snapshot[ting] the OS". How does one do that without, well, making an image of the OS?
Well, let's see if I can explain. You start with a base image, and then make your changes, and commit those changes us...
What are the complexity guarantees of the standard containers?
...amortized)
v.insert(iterator, value) Insert value at the position indexed by iterator. O(n)
v.pop_back() Remove value from end. O(1)
v.assign(begin, end) Clear the container and copy in the elements from begin to end. O(n...
How different is Scrum practice from Agile Practice? [duplicate]
... +1 Others are Crystal, DSDM, FDD.
– Don Roby
Feb 9 '10 at 23:24
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When are you truly forced to use UUID as part of the design?
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I wrote the UUID generator/parser for Ruby, so I consider myself to be reasonably well-informed on the subject. There are four major UUID versions:
Version 4 UUIDs are essentially just 16 bytes of randomness pulled from a cryptographically secure random number gen...
How to keep a .NET console app running?
... that you're checking for the keys Ctrl+C, instead of the signal triggered by Ctrl+C.
– CodesInChaos
Jan 30 '15 at 14:12
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Using Server.MapPath() inside a static field in ASP.NET MVC
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This function gave me an error as the result returbed by HostingEnvironment.MapPath is not the same as Server.MapPath, the latter returns an absolute url not a relative url
– John
Jun 25 '14 at 13:16
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How to Copy Contents of One Canvas to Another Canvas Locally
...a HTMLImageElement, HTMLVideoElement, or a HTMLCanvasElement. As mentioned by Dave in a comment below this answer, you cannot use a canvas drawing context as your source. If you have a canvas drawing context instead of the canvas element it was created from, there is a reference to the original canv...