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Difference between array_map, array_walk and array_filter
What exactly is the difference between array_map , array_walk and array_filter . What I could see from documentation is that you could pass a callback function to perform an action on the supplied array. But I don't seem to find any particular difference between them.
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Java EE web development, where do I start and what skills do I need? [closed]
I want to learn, at least at a basic level, how to build Java web applications (coming from a .NET background). I would like to be able to build, deploy a simple CMS type application from the ground up.
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How to check which locks are held on a table
How can we check which database locks are applied on which rows against a query batch?
6 Answers
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How can I profile Python code line-by-line?
I've been using cProfile to profile my code, and it's been working great. I also use gprof2dot.py to visualize the results (makes it a little clearer).
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Declaring variables inside loops, good practice or bad practice?
Question #1: Is declaring a variable inside a loop a good practice or bad practice?
6 Answers
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Data Modeling with Kafka? Topics and Partitions
One of the first things I think about when using a new service (such as a non-RDBMS data store or a message queue) is: "How should I structure my data?".
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How to parse the AndroidManifest.xml file inside an .apk package
This file appears to be in a binary XML format. What is this format and how can it be parsed programmatically (as opposed to using the aapt dump tool in the SDK)?
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What is the difference between a string and a byte string?
I am working with a library which returns a byte string and I need to convert this to a string.
7 Answers
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What is the difference between min SDK version/target SDK version vs. compile SDK version?
What are the differences between "min sdk version/target sdk version" and "compile sdk version"? I know what min and target sdk means, but what does compile sdk version mean?
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Split a module across several files
I want to have a module with multiple structs in it, each in its own file. Using a Math module as an example:
5 Answers...