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What is the difference between trie and radix trie data structures?
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edited Nov 15 '15 at 10:29
Peter Mortensen
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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...
Difference between git checkout --track origin/branch and git checkout -b branch origin/branch
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VonCVonC
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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 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...
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
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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...
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...
How to enable curl, installed Ubuntu LAMP stack?
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425
From http://buzznol.blogspot.com/2008/12/install-curl-extension-for-php-in.html:
sudo apt-get i...
Combine two data frames by rows (rbind) when they have different sets of columns
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rbind.fill and bind_rows() both silently drop rownames.
– MERose
Dec 5 '17 at 16:40
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