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Practical uses of different data structures [closed]
...re composed of more than one primitive data types.class, structure, union, array/record.
abstract datatypes are composite datatypes that have way to access them efficiently which is called as an algorithm. Depending on the way the data is accessed data structures are divided into linear and non line...
Is it valid to define functions in JSON results?
...g (double-quoted Unicode
with backslash escaping)
Boolean
(true and false)
Array (an ordered
sequence of values, comma-separated
and enclosed in square brackets)
Object (collection of key:value
pairs, comma-separated and enclosed
in curly braces)
null
...
Getting the return value of Javascript code in Selenium
...el) {
URLs.push(el.href)
});
return URLs
''')
result will contain the array that is in URLs this case.
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What is a “memory stomp”?
...undefined behavior.
Very likely variable i in memory is stored just after array. So accessing a[10] could actually access i in other words it could reset loop counter.
I think it is good example that demonstrates memory "stomping".
...
IE8 and JQuery's trim()
... On a side note, if you're testing MSIE8, it doesn't know about Array.indexOf(). Use jQuery.inArray() instead.
– Stone
Dec 5 '12 at 20:35
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...
How to append text to a text file in C++?
...
for(counter=0;counter<9;counter++)
fprintf (pFileTXT, "%c", characterarray[counter] );// character array to file
fprintf(pFileTXT,"\n");// newline
for(counter=0;counter<9;counter++)
fprintf (pFileTXT, "%d", digitarray[counter] ); // numerical to file
fprintf(pFileTXT,"A Sentence")...
How can I get a list of all functions stored in the database of a particular schema in PostgreSQL?
...RNS text AS $$
-- Example of "special layout" version.
SELECT trim(array_agg( op||'-'||dt )::text,'{}')
FROM (
SELECT data_type::text as dt, ordinal_position as op
FROM information_schema.parameters
WHERE specific_name = p_specific_name
ORDER BY ordinal...
Generate random numbers with a given (numerical) distribution
...bers in O(k log n). Since normal Python lists are inefficient, you can use array module.
If you insist on constant space, you can do the following; O(n) time, O(1) space.
def random_distr(l):
r = random.uniform(0, 1)
s = 0
for item, prob in l:
s += prob
if s >= r:
...
Mark parameters as NOT nullable in C#/.NET?
...else to assign to it? What other value could we pave a freshly
allocated array of references over with, until you get around to
filling it in?
Also, sometimes null is a sensible value in and of itself. Sometimes
you want to represent the fact that, say, a field doesn’t have a
value. T...
How do I make the first letter of a string uppercase in JavaScript?
...the popular answer that gets the first letter by treating the string as an array:
function capitalize(s)
{
return s[0].toUpperCase() + s.slice(1);
}
Update:
According to the comments below this doesn't work in IE 7 or below.
Update 2:
To avoid undefined for empty strings (see @njzk2's comm...