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Read file line by line using ifstream in C++
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Assume that every line consists of two numbers and read token by token:
int a, b;
while (infile >> a >> b)
{
// process pair (a,b)
}
Line-based parsing, using string streams:
#include <sstream>
#include <string>
std::string line;
while (std::getline(infile, line))
{...
Expand/collapse section in UITableView in iOS
...xpanded, or 1+ the number of items in the section if it is expanded.
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
if (mybooleans[section]) {
///we want the number of people plus the header cell
return [self numberOfPeopleInGroup:sec...
How to embed a video into GitHub README.md?
...demo on github.
I used gifyoutube here, but I recommend using a local gif converter (like ffmpeg, see how) instead of an online one.
To record your screen to gif directly, you may want to check ScreenToGif.
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How to find the 'sizeof' (a pointer pointing to an array)?
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No, you can't. The compiler doesn't know what the pointer is pointing to. There are tricks, like ending the array with a known out-of-band value and then counting the size up until that value, but that's not using sizeof().
Another trick is the one mentioned by Zan, which ...
How do I create a Linked List Data Structure in Java? [closed]
...st, deletes from the beginning of the list and loops through the list to print the links contained in it. Enhancements to this implementation include making it a double-linked list, adding methods to insert and delete from the middle or end, and by adding get and sort methods as well.
Note: In the...
In-Place Radix Sort
... million sequences of 5 bases each, it's about 3x faster than an optimized introsort.
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What is a method that can be used to increment letters?
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You can try this
console.log( 'a'.charCodeAt(0))
First convert it to Ascii number .. Increment it .. then convert from Ascii to char..
var nex = 'a'.charCodeAt(0);
console.log(nex)
$('#btn1').on('click', function() {
var curr = String.fromCharCode(nex++)
console.log(curr)
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Try-catch speeding up my code?
...k a look at this and reports to me that there seems to be a problem in the interaction between the way the C# compiler generates local variable stores and the way the JIT compiler does register scheduling in the corresponding x86 code. The result is suboptimal code generation on the loads and stores...
MySQL “WITH” clause
...ostacho Hello, could please spoon-feed me a little here? I'm struggling to convert it to MySQL. Can you take a look at it? link or answer my question here maybe? link
– Pranav
Jul 3 '15 at 20:05
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What does -> mean in Python function definitions?
I've recently noticed something interesting when looking at Python 3.3 grammar specification :
7 Answers
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