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When should Flask.g be used?
...st without change to code.
The application context is popped after teardown_request is called. (Armin's presentation explains this is because things like creating DB connections are tasks which setup the environment for the request, and should not be handled inside before_request and after_request)
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What is an application binary interface (ABI)?
...but the API does not, then the old and new library versions are sometimes called "source compatible". This implies that while a program compiled for one library version will not work with the other, source code written for one will work for the other if re-compiled.
For this reason, developers ten...
Is it possible to decompile a compiled .pyc file into a .py file?
... .pyc bytecode into .py, whereas unpyclib crashed with an exception.
With all these tools, you get your code back including variable names, but without the comments.
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Checkbox for nullable boolean
...iad of different reasons why the foo input might not appear on the page at all. If it does appear I can assume there's a value, but I need to be able to differentiate between when the model is posted with foo as unchecked and when foo isn't shown.
– DMulligan
J...
How to find keys of a hash?
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There is function in modern JavaScript (ECMAScript 5) called Object.keys performing this operation:
var obj = { "a" : 1, "b" : 2, "c" : 3};
alert(Object.keys(obj)); // will output ["a", "b", "c"]
Compatibility details can be found here.
On the Mozilla site there is also a sn...
What is the relationship between UIView's setNeedsLayout, layoutIfNeeded and layoutSubviews?
...fNeeded and layoutSubviews methods? And an example implementation where all three would be used. Thanks.
2 Answers
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How ViewBag in ASP.NET MVC works
... properties such as ViewBag.Foo and magic strings ViewBag["Hello"] actually work?
7 Answers
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find() with nil when there are no records
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Yes, just do:
Challenge.find_by_id(10)
For Rails 4 and 5:
Challenge.find_by(id: 10)
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How to remove stop words using nltk or python
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Note: this converts the sentence to a SET which removes all the duplicate words and therefore you will not be able to use frequency counting on the result
– David Dehghan
Feb 21 '17 at 23:59
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Amazon S3 boto - how to create a folder?
...y S3 access tools like S3Fox show like a directory structure, but it's actually just a single file in a bucket.
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