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How to run a program without an operating system?
...M calls theirs semihosting for example. On real hardware, it requires some extra hardware and software support, but on emulators it can be a free convenient option. Example.
Here we will do a BIOS example as it is simpler on x86. But note that it is not the most robust method.
main.S
.code16
m...
How do I add a newline to a TextView in Android?
...resulting in the following solution for rendering line feed escape chars:
string = string.replace("\\\n", System.getProperty("line.separator"));
Using the replace method you need to filter escaped linefeeds (e.g. '\\\n')
Only then each instance of line feed '\n' escape chars gets rendered into t...
Escape quotes in JavaScript
...
You need to escape the string you are writing out into DoEdit to scrub out the double-quote characters. They are causing the onclick HTML attribute to close prematurely.
Using the JavaScript escape character, \, isn't sufficient in the HTML contex...
Encrypt & Decrypt using PyCrypto AES 256
...output of a encryption when input is same, so the IV is chosen as a random string, and use it as part of the encryption output, and then use it to decrypt the message.
And here's my implementation, hope it will be useful for you:
import base64
from Crypto.Cipher import AES
from Crypto import Rando...
Is the sizeof(some pointer) always equal to four?
For example:
sizeof(char*) returns 4. As does int* , long long* , everything that I've tried. Are there any exceptions to this?
...
How do malloc() and free() work?
...
@Juergen But when free() read extra byte which contain information how much memory allocated from malloc, it get 4. Then how crash happened or how free() touch administrative data ?
– Undefined Behaviour
Aug 5 '16 at...
How do you append an int to a string in C++? [duplicate]
...
With C++11, you can write:
#include <string> // to use std::string, std::to_string() and "+" operator acting on strings
int i = 4;
std::string text = "Player ";
text += std::to_string(i);
...
How is a non-breaking space represented in a JavaScript string?
...e manually it in its Javascript escaped form:
var x = td.text();
if (x == String.fromCharCode(160)) { // Non-breakable space is char 160
x = '';
}
More information about String.fromCharCode is available here:
fromCharCode - MDC Doc Center
More information about character codes for differe...
How can I generate an MD5 hash?
Is there any method to generate MD5 hash of a string in Java?
34 Answers
34
...
How to quickly check if folder is empty (.NET)?
...EnumerateFileSystemEntries method overloads
public bool IsDirectoryEmpty(string path)
{
IEnumerable<string> items = Directory.EnumerateFileSystemEntries(path);
using (IEnumerator<string> en = items.GetEnumerator())
{
return !en.MoveNext();
}
}
EDIT: seeing t...