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Check if key exists and iterate the JSON array using Python
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import json
jsonData = """{"from": {"id": "8", "name": "Mary Pinter"}, "message": "How ARE you?", "comments": {"count": 0}, "updated_time": "2012-05-01", "created_time": "2012-05-01", "to": {"data": [{"id": "1543", "name": "Hon...
Which kind of pointer do I use when?
Ok, so the last time I wrote C++ for a living, std::auto_ptr was all the std lib had available, and boost::shared_ptr was all the rage. I never really looked into the other smart pointer types boost provided. I understand that C++11 now provides some of the types boost came up with, but not all ...
What is the best way to unit test Objective-C code?
What frameworks exist to unit test Objective-C code? I would like a framework that integrates nicely with Apple Xcode.
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setNeedsLayout vs. setNeedsUpdateConstraints and layoutIfNeeded vs updateConstraintsIfNeeded
...the next line of the code, because new constraints pretty much are asking for a new layout.
The rules of thumb are:
If you manipulated constraints directly, call setNeedsLayout.
If you changed some conditions (like offsets or smth) which would change constraints in your overridden updateConstrai...
Does name length impact performance in Redis?
I like to use verbose names in Redis, for instance set-allBooksBelongToUser:$userId .
4 Answers
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Mongo: find items that don't have a certain field
How to search for documents in a collection that are missing a certain field in MongoDB?
2 Answers
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How to use Morgan logger?
I cannot log with Morgan. It doesn't log info to console. The documentation doesn't tell how to use it.
10 Answers
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Final arguments in interface methods - what's the point?
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It doesn't seem like there's any point to it. According to the Java Language Specification 4.12.4:
Declaring a variable final can serve
as useful documentation that its value
will not change and can help avoid
programming errors.
However, a final modifier on a m...
iPhone app in landscape mode, 2008 systems
Please note that this question is from 2008 and now is of only historic interest.
8 Answers
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Localization and internationalization, what's the difference?
I was going to ask a question about preparing a desktop application to support multiple languages on the UI.
15 Answers
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