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Initializing a static std::map in C++
...
Using C++11:
#include <map>
using namespace std;
map<int, char> m = {{1, 'a'}, {3, 'b'}, {5, 'c'}, {7, 'd'}};
Using Boost.Assign:
#include <map>
#include "boost/assign.hpp"
using namespace std;
using namespace boost::assign;
...
How to style a div to be a responsive square? [duplicate]
...ercentage length vw.
Here is a quick example I made on jsfiddle.
HTML:
<div class="square">
<h1>This is a Square</h1>
</div>
CSS:
.square {
background: #000;
width: 50vw;
height: 50vw;
}
.square h1 {
color: #fff;
}
I am sure there are many other wa...
CSS strikethrough different color from text?
...ment, then the desired text color to the inner element. For example:
<span style='color:red;text-decoration:line-through'>
<span style='color:black'>black with red strikethrough</span>
</span>
...or...
<strike style='color:red'>
<span style='col...
How to write a large buffer into a binary file in C++, fast?
...
This did the job (in the year 2012):
#include <stdio.h>
const unsigned long long size = 8ULL*1024ULL*1024ULL;
unsigned long long a[size];
int main()
{
FILE* pFile;
pFile = fopen("file.binary", "wb");
for (unsigned long long j = 0; j < 1024; ++j){
...
Pretty printing JSON from Jackson 2.2's ObjectMapper
...tMapper and would like to get a String with pretty JSON. All of the results of my Google searches have come up with Jackson 1.x ways of doing this and I can't seem to find the proper, non-deprecated way of doing this with 2.2. Even though I don't believe that code is absolutely necessary for this...
How to exit pdb and allow program to continue?
...m is computationally expensive to run, so I don't want to exit without the script attempting to complete. continue doesn't seems to work. How can I exit pdb and continue with my program?
...
How to convert floats to human-readable fractions?
...
** we just keep the last partial product of these matrices.
*/
#include <stdio.h>
main(ac, av)
int ac;
char ** av;
{
double atof();
int atoi();
void exit();
long m[2][2];
double x, startx;
long maxden;
long ai;
/* read command line arguments */
if (ac !...
Get generic type of java.util.List
...java.util.ArrayList;
import java.util.List;
public class Test {
List<String> stringList = new ArrayList<String>();
List<Integer> integerList = new ArrayList<Integer>();
public static void main(String... args) throws Exception {
Field stringListField = T...
How to make a vertical line in HTML
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Put a <div> around the markup where you want the line to appear to next, and use CSS to style it:
.verticalLine {
border-left: thick solid #ff0000;
}
<div class="verticalLine">
some other content
</div&g...
Efficient Algorithm for Bit Reversal (from MSB->LSB to LSB->MSB) in C
...t x)
{
x = (((x & 0xaaaaaaaa) >> 1) | ((x & 0x55555555) << 1));
x = (((x & 0xcccccccc) >> 2) | ((x & 0x33333333) << 2));
x = (((x & 0xf0f0f0f0) >> 4) | ((x & 0x0f0f0f0f) << 4));
x = (((x & 0xff00ff00) >> 8) | ((x &...