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What's a reliable way to make an iOS app crash?
...actually even intended to use this feature in case something goes wrong in order to make the app crash.
To avoid an if statement in a special case, you could use precondition, too. It's similar to assert, makes thus the intention (if wanted) pretty clear and is not removed in the final release as ...
How to set default values in Rails?
...read the original poster's question again, Nikita, and then my comments in order, it may make more sense to you. If not... Well, the question's been answered. Have a nice day.
– SFEley
Mar 22 '11 at 3:06
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ObservableCollection Doesn't support AddRange method, so I get notified for each item added, besides
... The elements are copied onto the ObservableCollection in the
/// same order they are read by the enumerator of the collection.
/// </remarks>
/// <exception cref="ArgumentNullException"> collection is a null reference </exception>
public ObservableRangeCollection(I...
Using mixins vs components for code reuse in Facebook React
...ycle methods (componentDidMount etc). This problem is solved by the Higher-Order Components that Dan Abramov talk in his link (or by using ES6 class inheritance).
Mixins are also often used in frameworks, to make framework API available to all the components, by using the "hidden" context feature o...
How to backup a local Git repository?
...git bundle
That will create a file that support git fetch and git pull in order to update your second repo.
Useful for incremental backup and restore.
But if you need to backup everything (because you do not have a second repo with some older content already in place), the backup is a bit more e...
How can I find the number of arguments of a Python function?
...t offers a similar interface to getargspec (a single callable argument) in order to grab the arguments of a function while also handling some additional cases that getargspec doesn't:
from inspect import getfullargspec
def someMethod(self, arg1, kwarg1=None):
pass
args = getfullargspec(someMe...
Insert picture into Excel cell [closed]
...
Note. It is important to right-click on the border not inside the comment box since the Format Comment dialog window will have different options in each case.
– Developer Marius Žilėnas
Jan 19 '15 at 12:29
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WPF - How to force a Command to re-evaluate 'CanExecute' via its CommandBindings
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I edited your answer in order to re-apply my vote. I didn't change anything in the edit. Thanks again.
– Drew Noakes
Aug 27 '09 at 11:18
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MySQL Cannot drop index needed in a foreign key constraint
... @RobinDeSchepper Good remark. And when using compound unique indexes, the order of the fields is not important for the unique index, but it might be important for a foreign key. A unique index on A,B can be used by a foreign key on A, but not by a foreign key on B.
– Stefan Mo...
Using .sort with PyMongo
...er", 1), ("date", -1)])
The reason why this has to be a list is that the ordering of the arguments matters and dicts are not ordered in Python < 3.6
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