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boost::flat_map and its performance compared to map and unordered_map
... plus the fact that the asymptotic complexity can start to be felt.
Point 5 is about compilers being able to elide stuff that are empty or trivial at compile time. This can optimize greatly some operations, because the containers are templated, therefore each type will have its own performance prof...
What's the difference between a catalog and a schema in a relational database?
...ormation Schema.
Database Language SQL, (Proposed revised text of DIS 9075), p 45
From the SQL point of view :
A catalog is often synonymous with database. In most SQL dbms, if you query the information_schema views, you'll find that values in the "table_catalog" column map to the name of a d...
Python __str__ versus __unicode__
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257
__str__() is the old method -- it returns bytes. __unicode__() is the new, preferred method -- ...
What's the algorithm to calculate aspect ratio?
...he GCD for 44 and 99 is 11.
For example, a 1024x768 monitor has a GCD of 256. When you divide both values by that you get 4x3 or 4:3.
A (recursive) GCD algorithm:
function gcd (a,b):
if b == 0:
return a
return gcd (b, a mod b)
In C:
static int gcd (int a, int b) {
return (b...
Is it possible to rename a maven jar-with-dependencies?
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edited May 31 '17 at 6:45
answered Jan 19 '13 at 18:19
vi...
Should I pass an std::function by const-reference?
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edited Sep 26 '14 at 12:52
answered Aug 21 '13 at 19:42
Y...
Why does casting int to invalid enum value NOT throw exception?
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answered Jun 20 '11 at 15:41
StriplingWarriorStriplingWarrior
131k2323 gold badges216216 silver badges275275 bronze badges
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Unpacking, extended unpacking and nested extended unpacking
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115
My apologies for the length of this post, but I decided to opt for completeness.
Once you know ...
Best approach for designing F# libraries for use from both F# and C#
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answered Apr 11 '12 at 19:59
Tomas PetricekTomas Petricek
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...
How exactly does CMake work?
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95
The secret is that you don't have to understand what the generated files do.
CMake introduces a...