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How to print (using cout) a number in binary form?
...rry Coffin
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How to list all the available keyspaces in Cassandra?
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TheoTheo
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How do I get the current line number?
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In .NET 4.5 / C# 5, you can get the compiler to do this work for you, by writing a utility metho...
How to add an object to an array
...ing into an array using Array.push().
var a=[], b={};
a.push(b);
// a[0] === b;
Extra information on Arrays
Add more than one item at a time
var x = ['a'];
x.push('b', 'c');
// x = ['a', 'b', 'c']
Add items to the beginning of an array
var x = ['c', 'd'];
x.unshift('a', 'b');
// x = ['...
Remove white space below image [duplicate]
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answered Oct 15 '11 at 0:21
robertcrobertc
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How to erase the file contents of text file in Python?
...if you have already an opened file:
f = open('file.txt', 'r+')
f.truncate(0) # need '0' when using r+
In C++, you could use something similar.
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Method Resolution Order (MRO) in new-style classes?
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answered Dec 4 '09 at 18:03
Alex MartelliAlex Martelli
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What is the proper way to check for existence of variable in an EJS template (using ExpressJS)?
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edited May 31 '17 at 16:10
Bruiser
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What is the advantage of using forwarding references in range-based for loops?
...der:
#include <vector>
int main()
{
std::vector<bool> v(10);
for (auto& e : v)
e = true;
}
This doesn't compile because rvalue vector<bool>::reference returned from the iterator won't bind to a non-const lvalue reference. But this will work:
#include <v...
techniques for obscuring sensitive strings in C++
...m byte values and then compute key2:
key1[n] = crypto_grade_random_number(0..255)
key2[n] = key[n] XOR key1[n]
You can do this in your build environment, and then only store key1and key2 in your application.
Protecting your binary
Another approach is to use a tool to protect your binary. For i...