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Is there more to an interface than having the correct methods
...happens when more than one parallel superclass implement the same method?, etc.)
Along come interfaces...
If we make Animal and Vegetable classes, with each implementing Growable, we can declare that our Cow is Animal and our Corn is Vegetable. We can also declare that both Animal and Vegetable a...
Immutable vs Mutable types
... bytearray()
set type: set()
mapping type: dict()
classes, class instances
etc.
One trick to quickly test if a type is mutable or not, is to use id() built-in function.
Examples, using on integer,
>>> i = 1
>>> id(i)
***704
>>> i += 1
>>> i
2
>>> id(...
UTF-8: General? Bin? Unicode?
... Re "stay tuned": 8.0 collations shows how various characters, diphthongs, etc, compare in the 8.0 utf8mb4 collations; utf8 is mostly the same.
– Rick James
Feb 15 '17 at 22:55
...
Storing Data in MySQL as JSON
...s, however you will have design considerations such as searching, indexing etc.
The best way of doing this is to use hybrid data, for example if you need to search based upon datetime MySQL (performance tuned) is going to be a lot faster than PHP and for something like searching distance of venues ...
How to access parameters in a RESTful POST method
...ments with where you want the data from (PathParam, FormParam, CookieParam etc)
– Perception
Nov 19 '11 at 15:04
1
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Customizing the template within a Directive
...ms to offer the most flexibility (in terms of asynchronously creating dom, etc.) The below approach addresses that:
<!-- Usage: -->
<form>
<form-field ng-model="formModel[field.attr]" field="field" ng-repeat="field in fields">
</form>
// directive
angular.module('app')...
Should I use pt or px?
...raditionally used in print media (anything that is to be printed on paper, etc.). One point is equal to 1/72 of an inch. Points are much like pixels, in that they are fixed-size units and cannot scale in size.
share
...
Git cherry pick vs rebase
...same under the covers? (store their intermediate outputs to "patch" files, etc).
– lysergic-acid
Aug 6 '12 at 21:20
Af...
encryption/decryption with multiple keys
...o that AES-256 session key, and your recipient keys are your RSA/DSA/ECDSA/etc. assymetric key in this case.
One reason for doing it this way is that symmetric cryptographic algorithms like AES are generally a lot faster than asymmetric ones like RSA. GnuPG thus only has to encrypt ~256 bits (the ...
Difference between Rebuild and Clean + Build in Visual Studio
...uild project of B using the old project A then rebuild A, then rebuild C. etc. A full solution Clean followed by a full solution build will catch this situation while a rebuild won't. So the more paranoid and tired you are, the more you should favor towards Clean then Build.
...