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Benefits of using the conditional ?: (ternary) operator
...Do you mean does mean that? Incorrect comments may cause more confusion to new C++ programmers than the issue you were attempting to clear up ;)
– Clonkex
Nov 7 '13 at 3:02
5
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What are the differences between B trees and B+ trees?
...te two children of this node, and give half of the leaf's pointers to each new child. Of course, there may be some reshuffling to ensure the tree's height is kept to a minimum. Does this help?
– Rose Perrone
Feb 21 '14 at 5:28
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A numeric string as array key in PHP
...
Yes, it is possible by array-casting an stdClass object:
$data = new stdClass;
$data->{"12"} = 37;
$data = (array) $data;
var_dump( $data );
That gives you (up to PHP version 7.1):
array(1) {
["12"]=>
int(37)
}
(Update: My original answer showed a more complicated way by usi...
multi-step registration process issues in asp.net mvc (split viewmodels, single model)
...ttpPost]
public ActionResult Step1(Step1ViewModel step1)
{
var model = new WizardViewModel
{
Step1 = step1
};
if (!ModelState.IsValid)
{
return View(model);
}
return View("Step2", model);
}
Now inside the step 2 view you could use the Html.Serialize he...
Flushing footer to bottom of the page, twitter bootstrap
...ooterheight: " + footerHeight + "\n" + "footertop: " + footerTop + "\n" + "new docheight: " + $(window).height() + "\n" + "margintop: " + marginTop);
}, 250);
});
</script>
You need at least an element with a #footer
When not want the scrollbar if content would fit to screen jus...
What does the [Flags] Enum Attribute mean in C#?
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51
I prefer to use constants of the form A = 1 << 0, B = 1 << 1, C = 1 << 2 ... Much easier to read, understand, visually ch...
ViewController respondsToSelector: message sent to deallocated instance (CRASH)
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Just a small note. This is from the what's new in xcode 5. "The Zombies instrument template has been enhanced in Xcode 5 and now supports use on devices. Using Zombies on devices requires iOS 7." This note brought you by me and 2 hours of my precious time...
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A non-blocking read on a subprocess.PIPE in Python
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Python 3.4 introduces new provisional API for asynchronous IO -- asyncio module.
The approach is similar to twisted-based answer by @Bryan Ward -- define a protocol and its methods are called as soon as data is ready:
#!/usr/bin/env python3
imp...
Indent multiple lines quickly in vi
...pying blocks of text around and need to align the indent of a block in its new location, use ]p instead of just p. This aligns the pasted block with the surrounding text.
Also, the shiftwidth setting allows you to control how many spaces to indent.
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NodeJS - What does “socket hang up” actually mean?
..., createHangUpError());
...
function createHangUpError() {
var error = new Error('socket hang up');
error.code = 'ECONNRESET';
return error;
}
This is a typical case if the client is a user in the browser. The request to load some resource/page takes long, and users simply refresh the page...