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constant pointer vs pointer on a constant value [duplicate]
...ometimes be written by someone else. Or, it can be really constant, e.g. a string literal.
– Marquis of Lorne
May 26 '16 at 23:57
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How to express a One-To-Many relationship in Django
...ionship on the PhoneNumber model and not on the Dude/Business models. When extra terrestrials come to Earth, and we want to add an Alien model, we need to modify the PhoneNumber (assuming the ETs have phone numbers) instead of simply adding a "phone_numbers" field to the Alien model.
Introduce the...
Can I escape html special chars in javascript?
...expressions in replace() calls are unnecessary. Plain old single-character strings would do just as well.
– jamix
May 30 '14 at 14:47
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String concatenation vs. string substitution in Python
In Python, the where and when of using string concatenation versus string substitution eludes me. As the string concatenation has seen large boosts in performance, is this (becoming more) a stylistic decision rather than a practical one?
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MD5 algorithm in Objective-C
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md5 is available on the iPhone and can be added as an addition for ie NSString and NSData like below.
MyAdditions.h
@interface NSString (MyAdditions)
- (NSString *)md5;
@end
@interface NSData (MyAdditions)
- (NSString*)md5;
@end
MyAdditions.m
#import "MyAdditions.h"
#import <CommonCrypto...
How Do I Choose Between a Hash Table and a Trie (Prefix Tree)?
...f hash table and trie have the same complexity on query, O(k) for k length string why should we go for hash? could you please explain?
– Sazzad Hissain Khan
Feb 12 '18 at 4:00
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How can I strip first and last double quotes?
...ways going to be "first and last" as you said, then you could simply use:
string = string[1:-1]
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How can I read and parse CSV files in C++?
...e (OK 14 ->But its only 15 to read the whole file).
std::vector<std::string> getNextLineAndSplitIntoTokens(std::istream& str)
{
std::vector<std::string> result;
std::string line;
std::getline(str,line);
std::stringstream lineStream(line);...
How do I flush the cin buffer?
...implest, is to use std::getline() for example:
std::getline(std::cin, yourString);
... that will discard the input stream when it gets to a new-line. Read more about this function here.
Another option that directly discards the stream is this...
#include <limits>
// Possibly some other co...
Remove spaces from std::string in C++
What is the preferred way to remove spaces from a string in C++? I could loop through all the characters and build a new string, but is there a better way?
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