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Is Redis just a cache?
...s to build software that handles thousands of requests per second and keep customer business data during whole natural lifecycle.
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What is the mouse down selector in CSS?
...ocus does the same thing in css as :active:hover if you need to override a custom css library, they might use both.
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How to manage a redirect request after a jQuery Ajax call
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I solved this issue by:
Adding a custom header to the response:
public ActionResult Index(){
if (!HttpContext.User.Identity.IsAuthenticated)
{
HttpContext.Response.AddHeader("REQUIRES_AUTH","1");
}
return View();
}
Binding a JavaScr...
How to determine the first and last iteration in a foreach loop?
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A more simplified version of the above and presuming you're not using custom indexes...
$len = count($array);
foreach ($array as $index => $item) {
if ($index == 0) {
// first
} else if ($index == $len - 1) {
// last
}
}
Version 2 - Because I have come to loath...
How to Reverse Fragment Animations on BackStack?
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According to the android documentation for custom animation:
Change:
ft.setCustomAnimations(R.anim.slide_in, R.anim.hyperspace_out);
To:
ft.setCustomAnimations(R.anim.slide_in, R.anim.hyperspace_out, R.anim.hyperspace_in, R.anim.slide_out );
and now the backsta...
How to add a spinner icon to button when it's in the Loading state?
...the snippet bellow, it's just for demoing purposes. Feel free to make your custom ones basing on mine, it's super easy.
var svg = d3.select("svg"),
columnsCount = 3;
['basic', 'basic2', 'basic3', 'basic4', 'loading', 'loading2', 'spin', 'chrome', 'chrome2', 'flower', 'flower2', 'backstr...
Multiple ModelAdmins/views for same model in Django admin
How can I create more than one ModelAdmin for the same model, each customised differently and linked to different URLs?
2 A...
What is the email subject length limit?
...d with the rest of the subject baddly.
It was reported to me from several customers who all where using OutLook, other email clients deal with those subjects ok.
If you have no ISO on it, it doesn't hurt, but if you add it to your subject to be nice to RFC, then you get this surprise from OutLook....
Convert a python 'type' object to a string
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In case you want to use str() and a custom str method. This also works for repr.
class TypeProxy:
def __init__(self, _type):
self._type = _type
def __call__(self, *args, **kwargs):
return self._type(*args, **kwargs)
def __str__(se...
Does PNG contain EXIF data like JPG?
..., you could in theory store any EXIF information... but, alas, in your own custom format. Some attempts to standarize have not caught up, it seems.
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