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How to count certain elements in array?
...ular piece of code, a for loop might be faster on some browsers... you can test things on jsperf.com.)
You can then be elegant and turn it into a prototype function:
[1, 2, 3, 5, 2, 8, 9, 2].count(2)
Like this:
Object.defineProperties(Array.prototype, {
count: {
value: function(va...
How to abandon a hg merge?
...ip might not always be your current revision you are working on. I did not test it, so far..
– math
Mar 1 '16 at 11:26
1
...
Tmux vs. iTerm2 split panes
...ut it is that you can run a command in Vim to compile your files, run unit tests, etc. without every leaving Vim, but you see the command run in the other tmux pane.
Apologies for not being a complete answer, but hopefully it helps point you in the right direction.
LINK: http://joshuadavey.com/pos...
LEFT OUTER JOIN in LINQ
... SelectMany() can be refactored for the same output. Another thought is to test y for null to simulate a closer LEFT JOIN equivalence.
– Denny Jacob
Jul 11 '18 at 17:19
...
Declaring and initializing variables within Java switches
... case 1:
b = false;
case 2:{
//String b= "test"; you can't declare scope here. because it's in the scope @top
b=true; // b is still accessible
}
case 3:{
boolean c= true; // case c scope only
b=true; // case 3 scope...
Relational table naming convention [closed]
...ents, or is the implementation of, many Predicates, not one.
A query is a test of a Predicate (or a number of Predicates, chained together) that results in true (the Fact exists) or false (the Fact does not exist).
Thus tables should be named, as detailed in my Answer (naming conventions), for the ...
How can I store my users' passwords safely?
... your password hashes, he has to burn a considerable amount of CPU time to test his dictionary against your hashes.
– caf
Oct 18 '09 at 5:51
4
...
Catching java.lang.OutOfMemoryError?
...ou can recover from it:
package com.stackoverflow.q2679330;
public class Test {
public static void main(String... args) {
int size = Integer.MAX_VALUE;
int factor = 10;
while (true) {
try {
System.out.println("Trying to allocate " + size + ...
Combined area of overlapping circles
...o make little mistakes in the math. This solution provides a simple way to test correctness.
– Richard
Oct 28 '12 at 9:59
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How to disable / enable dialog negative positive buttons?
...r.inflate(R.layout.dialog,null);
builder.setView(view);
builder.setTitle("Test");
builder.setPositiveButton("ok", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
Toast.makeText(MainActivity.this, "Ok clicked", Toast.LENGTH_S...