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What is the scope of variables in JavaScript?
...its logically outside of the loop.
The following prints 5, five times, and then prints 5 a sixth time for the console.log outside the loop:
for(var x = 0; x < 5; ++x) {
setTimeout(() => console.log(x)) // closes over the `x` which is logically positioned at the top of the enclosing sco...
Why are primes important in cryptography?
...imply trying every possible combination. That is, first try dividing by 2, then by 3, then by 4, and so forth. If you try to factor a prime number--especially a very large one--you'll have to try (essentially) every possible number between 2 and that large prime number. Even on the fastest computers...
“The remote certificate is invalid according to the validation procedure.” using Gmail SMTP server
...ked on the little security icon in IE, which brought up the certificate. I then clicked on the Details tab, clicked the Copy To File button, which allowed me to export the certifcate as a .cer file. Once I had the certificate locally, I was able to import it into the certificate store on the server ...
Why can Java Collections not directly store Primitives types?
...ardless.
Could this have been avoided? Perhaps.
If an int is an Object, then there's no need for box types at all.
If generics aren't done using type-erasure, then primitives could've been used for type parameters.
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Getting current device language in iOS?
...kipedia entry (in particular, the 639-1 column):
List of ISO 639-1 codes
Then it's a simple matter of converting the two letter codes to the string you would like to display. So if it's "en", display "English".
Hope this helps someone that's looking to differentiate between region and currently s...
How to integrate nodeJS + Socket.IO and PHP?
...I use express and Socket.IO, so be sure to install those modules with npm. Then, we create a simple nodeJS server:
var socket = require( 'socket.io' );
var express = require( 'express' );
var http = require( 'http' );
var app = express();
var server = http.createServer( app );
var io = socket.li...
json.net has key method?
...
@AndreasFurster Then it will return a JValue whose Value is null, not just null.
– svick
Mar 4 '15 at 16:45
1
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How to pause / sleep thread or process in Android?
...e looper is quit before the delivery time of the message
* occurs then the message will be dropped.
*
* @see #post
* @see #removeCallbacks
*/
public boolean postDelayed(Runnable action, long delayMillis) {
final AttachInfo attachInfo = mAttachInfo;
if (attachInfo != null) {
...
How to execute multi-line statements within Python's own debugger (PDB)
...e if you want a couple of commands be executed when hitting a break point. Then there is the debugger command commands. It allows you to enter multiple lines of commands and then end the whole sequence with the end key word. More with (pdb) help commands.
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How to run script as another user without password?
...2) NOPASSWD: /home/user2/bin/test.sh
The command paths must be absolute! Then call sudo -u user2 /home/user2/bin/test.sh from a user1 shell. Done.
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