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What is the difference between a heuristic and an algorithm?
...ned. The solution could or could not be the best possible one but you know from the start what kind of result you will get. You implement the algorithm using some programming language to get (a part of) a program.
Now, some problems are hard and you may not be able to get an acceptable solution in ...
Get fully qualified class name of an object in Python
...ore circumspect approach.
# Alas, the module name is explicitly excluded from __qualname__
# in Python 3.
module = o.__class__.__module__
if module is None or module == str.__class__.__module__:
return o.__class__.__name__ # Avoid reporting __builtin__
else:
return module + '.' +...
AngularJS : ng-model binding not updating when changed with jQuery
... This did the trick for me. I was updating the value of a bound input from a directive test and wrapping the .val('something' call in an $apply (or calling $digest afterward) didn't work.
– Tom Seldon
Apr 29 '15 at 11:38
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Can a foreign key be NULL and/or duplicate?
...do is allow nulls on the field that has the FK. The null value is separate from the idea of it being an FK.
Whether it is unique or not unique relates to whether the table has a one-one or a one-many relationship to the parent table. Now if you have a one-one relationship, it is possible that you...
Analytics Google API Error 403: “User does not have any Google Analytics Account”
I'm creating an script, based on Google Analytics step-by-step guide from this page:
15 Answers
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Choosing between MEF and MAF (System.AddIn)
...application. It also provides a very complete way of decoupling the addons from depending on anything but the contract you give them. In fact, you can versionize your contract adapters to provide backwards compatibility to old addons while you are upgrading the main App. While this sounds great, i...
Can you help me understand this? “Common REST Mistakes: Sessions are irrelevant”
...ld be then passed along with
subsequent requests? Does that make
sense from a REST point of view, or is
that missing the point?
This would not be RESTful since it carries state but it is however quite common since it's a convenience for users; a user does not have to login each time.
What...
Bash Script : what does #!/bin/bash mean? [duplicate]
...interpreted and run by the bash shell.
Some other example shebangs are:
(From Wikipedia)
#!/bin/sh — Execute the file using sh, the Bourne shell, or a compatible shell
#!/bin/csh — Execute the file using csh, the C shell, or a compatible shell
#!/usr/bin/perl -T — Execute using Perl with th...
iPhone viewWillAppear not firing
...
Yes, afterwards. Created subview from XIB, viewWillAppear wasn't called. Call it by myself and everything works just fine.
– JOM
Feb 16 '10 at 7:03
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Why does += behave unexpectedly on lists?
...
At first it feels weird to think that a += b is different from a = a + b for two lists a and b. But it makes sense; extend would more often be the intended thing to do with lists rather than create a new copy of the entire list which will have higher time complexity. If developers n...