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What is the advantage to using bloom filters?
...riefly tell the basics.
you initiate an empty bit array of length m
you select k different hash functions (the more independent the better)
if you want to add element, you calculate all the k hashes of this value and set the corresponding bits to 1
if you want to check if element exist, you also ...
How can I get Knockout JS to data-bind on keypress instead of lost-focus?
... "auto-populate" values ( like if the input field is named "firstname" ). selecting from the auto-populate doesnt work with "afterkeydown". is there a way to catch this?
– Anton
Sep 9 '12 at 0:01
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Gradle - getting the latest release version of a dependency
... + for the version, and want to know which version is actually being used, select Project in the sidebar, and then under External Libraries you will see the actual version number in use.
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How to enable or disable an anchor using jQuery?
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Selected Answer is not good.
Use pointer-events CSS style. (As Rashad Annara suggested)
See MDN https://developer.mozilla.org/en-US/docs/Web/CSS/pointer-events.
Its supported in most browsers.
Simple adding "disabled" attr...
What is the equivalent to a JavaScript setInterval/setTimeout in Android/Java?
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This is a very good solution for drawer selection and fragmentTransaction
– Gonçalo
May 26 '15 at 14:48
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MVC 4 Razor File Upload
...tring();
}
else
{
ViewBag.Message = "Please select file";
}
return View();
}
Hope it help.
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Create Django model or update if exists
...large collection it won't scale well. update_or_create always first runs a SELECT and thereafter an UPDATE.
for the_bar in bars:
updated_rows = SomeModel.objects.filter(bar=the_bar).update(foo=100)
if not updated_rows:
# if not exists, create new
SomeModel.object...
std::function vs template
... in cases with binding, there's a chunk of code which does the adaptation, selected by a code ptr in the function obj, and which picks up data (bound parms) from the function obj (d) the 'bound' function may be inlined into that adaptor, if the compiler can see it.
– greggo
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How can I permanently enable line numbers in IntelliJ?
...@SamuelKerrien It depends on which of the one of the show line numbers you select. There is one which turns it on/off temporary and one which changes settings (with an on/off toggle at end of line)
– osundblad
Apr 28 '16 at 7:11
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How to make a phone call programmatically?
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In the selected answer, there is not check for marshmallow permission.
It will not work directly in marshmallow 6.0 or above device.
I know I am too late but this question has large vote so I thought it will help to others in futu...