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Why does C# disallow readonly local variables?
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I agree on the "save the programmer from himself" part, but as for helping the compiler to optimize code, I hold the stance that the compiler can find out very well whether or not a variable changes over the course of the method and optimizes accordingly either...
Why remove unused using directives in C#?
I'm wondering if there are any reasons (apart from tidying up source code) why developers use the "Remove Unused Usings " feature in Visual Studio 2008?
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Manually raising (throwing) an exception in Python
...ns, which preserve tracebacks:
raise RuntimeError('specific message') from error
Be aware:
this does allow changing the error type raised, and
this is not compatible with Python 2.
Deprecated Methods:
These can easily hide and even get into production code. You want to raise an exception...
'this' vs $scope in AngularJS controllers
...rent scope objects, if prototypical inheritance is in play) are accessible from the HTML/view. E.g., from ng-click, filters, etc.
Long answer:
A controller function is a JavaScript constructor function. When the constructor function executes (e.g., when a view loads), this (i.e., the "function...
What is the difference between __init__ and __call__?
...es can be passed in inputs to other functions and/or methods, and executed from inside them.
Instances of Classes (aka Objects), can be treated as if they were functions: pass them to other methods/functions and call them. In order to achieve this, the __call__ class function has to be specialized....
How to create module-wide variables in Python? [duplicate]
...nt the variable to be "private" to the module. If you ever do an import * from mymodule, Python will not import names with two leading underscores into your name space. But if you just do a simple import mymodule and then say dir(mymodule) you will see the "private" variables in the list, and if y...
How do I delete unpushed git commits?
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From my experience, this does not undo the commit from the original branch, thus necessitating the git reset --hard HEAD~1 afterwards. I think using reset --soft then switching branches and committing again would have saved ...
How to delete cookies on an ASP.NET website
...Very old but for other users, Cookies["whatever"] returns null if you read from "Request" and return an empty cookie if you read from "Response".
– Athiwat Chunlakhan
Sep 6 '16 at 3:19
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Prevent dialog dismissal on screen rotation in Android
I am trying to prevent dialogs built with Alert builder from being dismissed when the Activity is restarted.
11 Answers
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Performant Entity Serialization: BSON vs MessagePack (vs JSON)
...SON. That means some type information can be lost when you convert objects from BSON to JSON, but of course only when these special types are in the BSON source. It can be a disadvantage to use both JSON and BSON in single service.
MessagePack is designed to be transparently converted from/to JSON....