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Custom Compiler Warnings
... 2015). You can build a code analyzer to check for a custom attribute
I don't believe it's possible. ObsoleteAttribute is treated specially by the compiler and is defined in the C# standard. Why on earth is ObsoleteAttribute not acceptable? It seems to me like this is precisely the situation it w...
What does default(object); do in C#?
...s a zero-initialized value
For Nullable<T> it returns the empty (pseudo-null) value (actually, this is a re-statement of the first bullet, but it is worth making it explicit)
The biggest use of default(T) is in generics, and things like the Try... pattern:
bool TryGetValue(out T value) {
...
Getting SyntaxError for print with keyword argument end=' '
... to print with a tuple as argument.
That's obviously bad syntax (literals don't take keyword arguments). In Python 3.x print is an actual function, so it takes keyword arguments, too.
The correct idiom in Python 2.x for end=" " is:
print "foo" % bar,
(note the final comma, this makes it end the...
How do I use Java to read from a file that is actively being written to?
... I'd like to be able to read the file as it is being written so that I can do these pass/failure/correctness checks in real time.
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Changing git commit message after push (given that no one pulled from remote)
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Changing history
If it is the most recent commit, you can simply do this:
git commit --amend
This brings up the editor with the last commit message and lets you edit the message. (You can use -m if you want to wipe out the old message and use a new one.)
Pushing
And then when you pus...
How to get RelativeLayout working with merge and include?
...on than packing <include/> into another layout. Think what would you do if you would work with lists.
– teoREtik
Feb 2 '12 at 13:31
2
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When should I really use noexcept?
...ept? [...] Personally, I care about noexcept because of the increased freedom provided to the compiler to safely apply certain kinds of optimizations.
It seems like the biggest optimization gains are from user optimizations, not compiler ones due to the possibility of checking noexcept and overlo...
Easiest way to rename a model using Django/South?
...to this on South's site, Google, and SO, but couldn't find a simple way to do this.
4 Answers
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Git: what is a dangling commit/blob and where do they come from?
...g other moves that cause intermediary blobs, and even some things that git does for you to help avoid loss of information.
Eventually (conditionally, according to the git gc man page) it will perform garbage collection and clean these things up. You can also force it by invoking the garbage collec...
Should I use encodeURI or encodeURIComponent for encoding URLs?
...
It depends on what you are actually wanting to do.
encodeURI assumes that the input is a complete URI that might have some characters which need encoding in it.
encodeURIComponent will encode everything with special meaning, so you use it for components of URIs such as
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