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How to split a delimited string in Ruby and convert it to an array?
...
whitespace, with leading whitespace and runs of contiguous whitespace
characters ignored.
If pattern is a Regexp, str is divided where the pattern matches.
Whenever the pattern matches a zero-length string, str is split into
individual characters. If pattern contains groups, the respec...
How can I wrap text to some length in Vim?
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Once you set 'textwidth', you can select text with visual mode and press gq to wrap it nicely (you can also use Q on some older/legacy configurations).
A few useful tips:
gqq (wrap the current line)
gq} (wrap this 'paragraph', i.e. until the next blank line...
How expensive is RTTI?
...ases with optimisation, typeid() is nearly x20 faster than dyncamic_cast.
Chart
The Code
As requested in the comments, the code is below (a bit messy, but works). 'FastDelegate.h' is available from here.
#include <iostream>
#include "FastDelegate.h"
#include "cycle.h"
#include "time.h"
// U...
In C, do braces act as a stack frame?
...stack frame. Otherwise, you would not be able to do something like this:
char var = getch();
{
char next_var = var + 1;
use_variable(next_char);
}
If curly braces caused a true stack push/pop (like a function call would), then the above code would not compile because the ...
How to loop backwards in python? [duplicate]
...th = len(text)-1
# loop through the string in reverse and append each character
# deprecate the length index
while length>=0:
txet += "%s"%text[length]
length-=1
return txet
share
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What's the best way to check if a String represents an integer in Java?
... if (length == 0) {
return false;
}
int i = 0;
if (str.charAt(0) == '-') {
if (length == 1) {
return false;
}
i = 1;
}
for (; i < length; i++) {
char c = str.charAt(i);
if (c < '0' || c > '9') {
retu...
What is the difference between CHARACTER VARYING and VARCHAR in PostgreSQL?
John uses CHARACTER VARYING in the places where I use VARCHAR .
I am a beginner, while he is an expert.
This suggests me that there is something which I do not know.
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Removing first x characters from string?
How might one remove the first x characters from a string? For example, if one had a string lipsum , how would they remove the first 3 characters and get a result of sum ?
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Best way to convert list to comma separated string in java [duplicate]
...mmons Lang (commons.apache.org/proper/commons-lang/apidocs/org/apache/…, char))
– Sigrist
Feb 8 '14 at 10:46
63
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How to check a string for specific characters?
How can I check if a string has several specific characters in it using Python 2?
5 Answers
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