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Generate random 5 characters string
...sions since it's incremental):
function incrementalHash($len = 5){
$charset = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
$base = strlen($charset);
$result = '';
$now = explode(' ', microtime())[1];
while ($now >= $base){
$i = $now % $base;
$result = $cha...
Select Multiple Fields from List in Linq
...
public class Student
{
public string Name { set; get; }
public int ID { set; get; }
}
class Program
{
static void Main(string[] args)
{
Student[] students =
{
new Student { Name="zoyeb" , ID=1},
new Student { Name="Siddiq" , I...
Function Pointers in Java
...te your own) you can use a method reference in this case.
Java provides a set of common functional interfaces. whereas you could do the following:
public class Test {
public void test1(Integer i) {}
public void test2(Integer i) {}
public void consumer(Consumer<Integer> a) {
a.a...
How to prevent buttons from submitting forms
... Thanks to your reference, I've just learned that there's a type=reset for form. Awesome!
– Duong Nguyen
Aug 28 '19 at 7:26
2
...
Can modules have properties the same way that objects can?
...
Only instances of new-style classes can have properties. You can make Python believe such an instance is a module by stashing it in sys.modules[thename] = theinstance. So, for example, your m.py module file could be:
import sys
class _M(...
Transmitting newline character “\n”
... editor after snippets, if snippets enabled
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How do I step out of a loop with Ruby Pry?
I'm using Pry with my Rails application. I set binding.pry inside a loop in my model to try and debug a problem. For example:
...
How to make CSS3 rounded corners hide overflow in Chrome/Opera
...ave an effect, certain conditions need to be met (eg. position needs to be set). See here for the details.
– Nick F
May 14 '15 at 11:31
...
What are the relationships between Any, AnyVal, AnyRef, Object and how do they map when used in Java
...l objects in Java are descendant from java.lang.Object, but primitives are set apart and, presently*, not extensible by a programmer. Note also that primitives have "operators", not methods.
In Scala, on the other hand, everything is an object, all objects belong to a class, and they interact throu...
How to rollback just one step using rake db:migrate
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