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Is an entity body allowed for an HTTP DELETE request?
... TRACE requests only, all other request types are unrestricted (section 9, and 9.8 specifically)
For responses, this has been defined:
whether a message-body is included depends on both request method and response status (section 4.3)
a message-body is explicitly forbidden in responses to HEAD r...
Structure padding and packing
...alignment of the whole struct in an array */
} x;
Packing, on the other hand prevents compiler from doing padding - this has to be explicitly requested - under GCC it's __attribute__((__packed__)), so the following:
struct __attribute__((__packed__)) mystruct_A {
char a;
int b;
char c...
Tags for Emacs: Relationship between etags, ebrowse, cscope, GNU Global and exuberant ctags
I work on C++ projects, and I went through Alex Ott's guide to CEDET and other threads about tags in StackOverflow, but I am still confused about how Emacs interfaces with these different tag systems to facilitate autocompletion, the looking up of definitions, navigation of source code base or the...
Which method performs better: .Any() vs .Count() > 0?
...Linq namespace, we can now extend our IEnumerable's to have the Any() and Count() extension methods .
9 Answers
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How do write IF ELSE statement in a MySQL query
...pression.
They look like this:
SELECT col1, col2, (case when (action = 2 and state = 0)
THEN
1
ELSE
0
END)
as state from tbl1;
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What does “dereferencing” a pointer mean?
...ring to the second byte in the process's memory, 2 the third, 3 the fourth and so on....
What happened to 0 and the first byte? Well, we'll get to that later - see null pointers below.
For a more accurate definition of what pointers store, and how memory and addresses relate, see "More about memo...
What is the difference between . (dot) and $ (dollar sign)?
What is the difference between the dot (.) and the dollar sign ($) ?
13 Answers
13
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Should composer.lock be committed to version control?
... specific versions of the libs you are using.
If you commit your changes, and someone pulls your code and updates the dependencies, the lockfile should be unmodified. If it is modified, it means that you have a new version of something.
Having it in the repository assures you that each developer i...
Resolve absolute path from relative path and/or file name
...batch script to return an absolute path from a value containing a filename and/or relative path?
14 Answers
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How do I know which version of Javascript I'm using?
...r versions)
Mozilla progresses with every dot release (they maintain the standard so that's not surprising)
Firefox 4 is on JavaScript 1.8.5
The other big off-the-beaten-path one is IE9 - it implements ECMAScript 5, but doesn't implement all the features of JavaScript 1.8.5 (not sure what they're c...