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What belongs in an educational tool to demonstrate the unwarranted assumptions people make in C/C++?
...nstream
MINGW64 (gcc-4.5.2 prerelase)
-- http://mingw-w64.sourceforge.net/
We like to think that:
..05 int has the size of pointers
but 'sizeof(int)==sizeof(void*)' is false.
..05a long has at least the size of pointers
but 'sizeof(long)>=sizeof(void*)' is false.
..08 overshifting is ...
What is Ember RunLoop and how does it work?
...another framework (Backbone) that doesn't have a run loop: http://jsfiddle.net/jashkenas/CGSd5/ . Moral of the story: the RunLoop's really fast for most things you'd ever want to do in Ember, and it's where much of Ember's power lies, but if you find yourself wanting to animate 30 circles with Javas...
PHP 5: const vs static
... Old thread, but I would like to add something: check out php.net/manual/en/…, which explains static variables are very useful in singletons and recursive functions as well. Because you CAN change the value but the variable will only be initialized once. See stackoverflow.com/question...
Null coalescing in powershell
... 7 and later
PowerShell 7 introduces many new features and migrates from .NET Framework to .NET Core. As of mid-2020, it hasn't completely replaced legacy versions of PowerShell due to the reliance on .NET Core, but Microsoft has indicated that they intend for the Core family to eventually replace...
C# Object Pooling Pattern implementation
...
Object Pooling in .NET Core
The dotnet core has an implementation of object pooling added to the base class library (BCL). You can read the original GitHub issue here and view the code for System.Buffers. Currently the ArrayPool is the only ty...
How to generate XML file dynamically using PHP?
...ect branch of the document tree.
For reference you can read http://it.php.net/manual/en/book.dom.php
Now we will take a quick tour of the code below.
at line 2 we create an empty xml document
(just specify xml version (1.0) and encoding (utf8))
now we need to populate the xml tree:
We have ...
Can extension methods be applied to interfaces?
...implementations to C# interface methods. Source: devblogs.microsoft.com/dotnet/…
– Vinigas
Jan 27 at 10:25
...
What is the cleanest way to disable CSS transition effects temporarily?
...f an -ms-transition in there. You don't need it. The first version of Internet Explorer to support transitions at all was IE 10, which supported them unprefixed.)
But that's just style, and is the easy bit. When you come to try and use this class, you'll run into a trap. The trap is that code like ...
How can I group data with an Angular filter?
...lter using the underscore.js library.
JSFiddle (updated):
http://jsfiddle.net/TD7t3/
The filter
app.filter('groupBy', function() {
return _.memoize(function(items, field) {
return _.groupBy(items, field);
}
);
});
Note the 'memoize' call. This underscore method cache...
How to find out if you're using HTTPS without $_SERVER['HTTPS']
...['SERVER_PORT'] == 443;
}
The code is compatible with IIS.
From the PHP.net documentation and user comments :
1) Set to a non-empty value if the script was queried through the HTTPS protocol.
2) Note that when using ISAPI with IIS, the value will be "off" if the request was not made thro...