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Why are global variables evil? [closed]
...re are no const, so when you need a constant you have to use a global.
In my practice, if I happen to modify a global in a function, I always declare it with global, even if there technically no need for that, as in:
cache = {}
def foo(args):
global cache
cache[args] = ...
This makes g...
What is JavaScript's highest integer value that a number can go to without losing precision?
...answered Nov 20 '08 at 22:53
JimmyJimmy
77.8k1616 gold badges113113 silver badges135135 bronze badges
...
Adding Xcode Workspace Schemes to Version Control
...m not seeing the behavior you mention in the Xcode 7.0 GM. I just followed my own directions and the .xcscheme file contains no paths; just "container:MyProjectName.xcodeproj". Are you using Xcode 7? Are you using a Workspace? What "Container" is selected for the scheme in the Manage Schemes sheet? ...
Confused about Service vs Factory
...he difference between the service and factory is as follows:
app.service('myService', function() {
// service is just a constructor function
// that will be called with 'new'
this.sayHello = function(name) {
return "Hi " + name + "!";
};
});
app.factory('myFactory', function() {
...
How to do relative imports in Python?
...These features were not available at the time.
– JeremyKun
Apr 1 '14 at 21:05
1
If you want to im...
Fastest way to convert string to integer in PHP
...in PHP. You might want your code to check the type of the supplied value.
My test code is below.
function test_string_coerce($s) {
return 0 + $s;
}
function test_string_cast($s) {
return (integer)$s;
}
$iter = 10000000;
print "-- running each text $iter times.\n";
// string co-erce
$...
Is it possible to create static classes in PHP (like in C#)?
...structor private so that it is impossible to instantiate the class.
So in my humble opinion this is a more complete example based on Greg's one:
<?php
class Hello
{
/**
* Construct won't be called inside this class and is uncallable from
* the outside. This prevents instantiating...
JMS and AMQP - RabbitMQ
...
@brainOverflow I dont know who edited my answer and gave this improper point which was at num 3.. because I have asked the thing which you are saying at point 2.Always read carefully before down voting or making suggestions
– Freak
...
How to stop /#/ in browser with react-router?
...
this completely ruined my app. looks like their current implementation is buggy?
– ninjaneer
Apr 1 '15 at 23:02
2
...
How to escape % in String.Format?
I am storing a SQL query in my strings.xml file and I want to use String.Format to build the final string in code. The SELECT statement uses a like, something like this:
...