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git diff renamed file
...h the difference between HEAD^^ and HEAD is that you have an a.txt in both commits, so just considering those two commits (which is what diff does), there is no rename, there is a copy and a change.
To detect copies, you can use -C:
git diff -C HEAD^^ HEAD
Result:
index ce01362..dd7e1c6 100644
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What’s the best way to check if a file exists in C++? (cross platform)
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If your compiler comes with a tr1 implementation, you don't even need to install Boost. It will be in the std::tr1::filesystem
– Nemanja Trifunovic
Nov 6 '08 at 18:17
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jquery save json data object in cookie
... JSON is not allowed in cookies for Opera since ancient times my.opera.com/community/forums/… I also have this error. Even though if @cookie@ plugin use @encodeURIComponent@, pbug shouldn't appear.
– kirilloid
Jan 22 '13 at 10:33
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Can't escape the backslash with regex?
...pe sequences to avoid having to use as many - for instance, in Python:
re.compile(r'\\')
The r in front of the quotes makes it a raw string which doesn't parse backslash escapes.
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Why does Convert.ToString(null) return a different value if you cast null?
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There are 2 overloads of ToString that come into play here
Convert.ToString(object o);
Convert.ToString(string s);
The C# compiler essentially tries to pick the most specific overload which will work with the input. A null value is convertible to any reference...
What is jQuery Unobtrusive Validation?
...e nice. Because your reply as it is isn't really that helpful, most people coming here looking for quick solutions and code samples, not links to articles, they can break over time, they're they're generally good as a reference after you see the code sample. I prefer the next 2 answers.
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Object.getOwnPropertyNames vs Object.keys
... Object.defineProperties), for example:
a.test = 21;
then such property becomes an enumerable automatically and both methods produce the same array.
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C# List of objects, how do I get the sum of a property
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I am also interested in @CodeBlend's question. Will this computation be faster than a for loop?
– rex
Feb 25 '14 at 11:29
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What does the line “#!/bin/sh” mean in a UNIX shell script?
...script, because false returns immediately anyways.
It's implemented as a comment so that anything coming in that line will not "relevant" to the interpreter specified. e.g. all scripting languages tend to understand that a line starting with # is a comment, and will ignore the !/usr/bin/whatever p...