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?: operator (the 'Elvis operator') in PHP
...nother important consideration: The Elvis Operator breaks the Zend Opcache tokenization process. I found this the hard way! While this may have been fixed in later versions, I can confirm this problem exists in PHP 5.5.38 (with in-built Zend Opcache v7.0.6-dev).
If you find that some of your files ...
Load and execute external js file in node.js with access to local variables?
...L scope that's always a bad thing to do, instead you can use the 'exports' token, like this:
// circle.js
var PI = 3.14; // PI will not be accessible from outside this module
exports.area = function (r) {
return PI * r * r;
};
exports.circumference = function (r) {
return 2 * PI * r;
};
An...
What does the “at” (@) symbol do in Python?
...tors, which includes @, which makes it also an operator:
The following tokens are operators:
+ - * ** / // % @
<< >> & | ^ ~
< > <= >= == !=
and in the next page, the Dat...
Passing an Array as Arguments, not an Array, in PHP
...
As has been mentioned, as of PHP 5.6+ you can (should!) use the ... token (aka "splat operator", part of the variadic functions functionality) to easily call a function with an array of arguments:
<?php
function variadic($arg1, $arg2)
{
// Do stuff
echo $arg1.' '.$arg2;
}
$array ...
PHP Regex to check date is in YYYY-MM-DD format
...tice under any circumstances. Here's how:
explode is limited to return 3 tokens (so that if the input is "1-2-3-4", $d will become "3-4")
ctype_digit is used to make sure that the input does not contain any non-numeric characters (apart from the dashes)
array_pad is used (with a default value that...
MySQL: multiple tables or one table with many columns?
...ple the date-of-birth of a user will not be updated ever, but the back end token may be invalidated after a period of time and will require frequent updates. Would it be better if I separate the tables in this manner to improve the performance? I'll now go read about the wiki that you mentioned :)
...
How do I pass command-line arguments to a WinForms application?
...nt is equal to String.Empty. The remaining elements contain any additional tokens entered on the command line.
– EKanadily
Apr 2 '14 at 7:15
...
Location of parenthesis for auto-executing anonymous JavaScript functions?
... the expression is the same.
> function(){}()
SyntaxError: Unexpected token (
> (function(){})()
undefined
> (function(){return 'foo'})()
"foo"
> (function(){ return 'foo'}())
"foo"
share
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...
Best practice: PHP Magic Methods __set and __get [duplicate]
...e you have $user->getName() (returns private property) and $user->getToken($key) (computed). The day your getter gets more than a getter and needs to do some logic, everything is still consistent.
Finally, and this is the biggest problem IMO : this is magic. And magic is very very bad, becau...
Does my application “contain encryption”?
...o
If your app uses only HTTPS or uses encryption only for authentication, tokens, etc., there is nothing you have to do, just include
<key>ITSAppUsesNonExemptEncryption</key><false/>
in your Info.plist and you are done.
2. Verification
You can verify this in itunes connect.
...