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extract part of a string using bash/cut/split
...om the end
So # means match from the beginning (think of a comment line) and % means from the end. One instance means shortest and two instances means longest.
You can get substrings based on position using numbers:
${MYVAR:3} # Remove the first three chars (leaving 4..end)
${MYVAR::3} # Retu...
Minimizing NExpectation for a custom distribution in Mathematica
...a minimum requires either to set the first derivative of the function zero and solve for a solution. Since your function is quite complicated (and probably not differentiable), the second possibility is to do a numerical minimization, which requires many evaluations of your function. Ergo, it is ver...
Delegates in swift?
... vc.colorString = colorLabel.text
vc.delegate = self
}
}
And that should work. This is of course just code fragments, but should give you the idea. For a long explanation of this code you can go over to my blog entry here:
segues and delegates
If you are interested in what's g...
How to delete all Annotations on a MKMapView
...ncluding the user location pin "Blue Pin". To remove all map
annotations and keep the user location pin on the map, there are two
possible ways to do that
Example 1, retain the user location annotation, remove all pins, add
the user location pin back, but there is a flaw with this approac...
Entity Framework Timeouts
...ction import that takes over 30 seconds to complete. I tried the following and have not been able to resolve this issue:
9 ...
Visual Studio “Find” results in “No files were found to look in. Find stopped progress.”
..., when you use "Find in Files" dialog to find something, the search fails and you will see the following message in the "Find Results" window.
...
Is there a naming convention for git repositories?
...t is "pur chase rests ervice"? Long, concatenated words are hard to understand. I know, I'm German. "Donaudampfschifffahrtskapitänspatentausfüllungsassistentenausschreibungsstellenbewerbung."
"_" is harder to type than "-"
...
Objective-C: Extract filename from path string
...etingPathExtension];
The lastPathComponent call will return thefile.ext, and the stringByDeletingPathExtension will remove the extension suffix from the end.
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Entity Framework 4 Single() vs First() vs FirstOrDefault()
...ime finding a comparison of the different ways to query for a single item, and when to use each.
6 Answers
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How to initialize a vector in C++ [duplicate]
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With the new C++ standard (may need special flags to be enabled on your compiler) you can simply do:
std::vector<int> v { 34,23 };
// or
// std::vector<int> v = { 34,23 };
Or even:
std::vector<int> v(2);
v = { 34,23 };
O...