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How do I serialize an object and save it to a file in Android?
...);
for (int i = 0; i < bytes.length; i++) {
strBuf.append((char) (((bytes[i] >> 4) & 0xF) + ((int) 'a')));
strBuf.append((char) (((bytes[i]) & 0xF) + ((int) 'a')));
}
return strBuf.toString();
}
public static byte[] decodeBytes(String str) {
byte[]...
Java 8 Streams - collect vs reduce
...two different approaches:
If we wanted to take a stream of strings and concatenate them into a
single long string, we could achieve this with ordinary reduction:
String concatenated = strings.reduce("", String::concat)
We would get the desired result, and it would even work in parall...
Understanding the meaning of the term and the concept - RAII (Resource Acquisition is Initialization
...class FileHandle
{
FILE* file;
public:
explicit FileHandle(const char* name)
{
file = fopen(name);
if (!file)
{
throw "MAYDAY! MAYDAY";
}
}
~FileHandle()
{
// The only reason we are checking the file pointer for validity
...
How to convert floats to human-readable fractions?
...duct 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 != 3) {
fprintf(stderr, "usage...
How to add a line break in C# .NET documentation
...p;#160;</para>, <para>&nbsp;</para> or the invisible character...
– Dinei
Oct 23 '14 at 14:30
Th...
Random “Element is no longer attached to the DOM” StaleElementReferenceException
... typing in your text inside the input element. The solution is to send one character at a time and search again for the input element. (Ex. in ruby shown below)
def send_keys_eachchar(webdriver, elem_locator, text_to_send)
text_to_send.each_char do |char|
input_elem = webdriver.find_element(e...
Can a class member function template be virtual?
...ember functions are resolved statically. That is, the
member function is selected statically (at compile-time) based on the
type of the pointer (or reference) to the object.
In contrast, virtual member functions are resolved dynamically (at
run-time). That is, the member function is selec...
Java - Convert integer to string [duplicate]
...m a
* @return
*/
private String convertToString(int a) {
int c;
char m;
StringBuilder ans = new StringBuilder();
// convert the String to int
while (a > 0) {
c = a % 10;
a = a / 10;
m = (char) ('0' + c);
ans.append(m);
}
return ans.re...
How to check a string for specific characters?
How can I check if a string has several specific characters in it using Python 2?
5 Answers
...
How did I get a value larger than 8 bits in size from an 8-bit integer?
...s extended to bit-width sizeof(int) . As I understand it, incrementing a char shouldn't ever be undefined behavior as long as sizeof(char) < sizeof(int) . But that doesn't explain how c is getting an impossible value. As an 8-bit integer, how can c hold values greater than its bit-width...