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C++ templates that accept only certain types
... class my_template<T*> {
...
};
// All other types are invalid, and will cause linker error messages.
[Minor EDIT 6/12/2013: Using a declared-but-not-defined template will result in linker, not compiler, error messages.]
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What is Normalisation (or Normalization)?
...Normalization is basically to design a database schema such that duplicate and redundant data is avoided. If some piece of data is duplicated several places in the database, there is the risk that it is updated in one place but not the other, leading to data corruption.
There is a number of normal...
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...
How to compare type of an object in Python?
...ty of details of why checking the type of an object is usually a bad idea, and what you probably should be doing instead.
– Jeff Shannon
Apr 2 '09 at 9:28
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How to restore to a different database in sql server?
...of Database1 from a week ago. The backup is done weekly in the scheduler and I get a .bak file. Now I want to fiddle with some data so I need to restore it to a different database - Database2 .
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Set operations (union, intersection) on Swift array?
Are there any standard library calls I can use to either perform set operations on two arrays, or implement such logic myself (ideally as functionally and also efficiently as possible)?
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Argparse: Required argument 'y' if 'x' is present
...ts of options.
The simplest way to deal with this would be:
if args.prox and (args.lport is None or args.rport is None):
parser.error("--prox requires --lport and --rport.")
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Why do you not use C for your web apps?
...different web servers this morning when I came across G-WAN . As I understand, its a web server written in C and you have to make use of it by writing your websites/webapps in C. One clear benefit is speed as the G-WAN site suggests.
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client secret in OAuth 2.0
...e google drive api, I have to play with the authentication using OAuth2.0. And I got a few question about this.
3 Answers
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What is the difference between C, C99, ANSI C and GNU C?
I have started programming practice on codechef and have been confused by the difference between C and C99. What does C mean here? Is it C89? Check the languages at the bottom of this submit . It contains both C and C99.
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