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What is the difference between public, protected, package-private and private in Java?
In Java, are there clear rules on when to use each of access modifiers, namely the default (package private), public , protected and private , while making class and interface and dealing with inheritance?
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How can I turn a List of Lists into a List in Java 8?
If I have a List<List<Object>> , how can I turn that into a List<Object> that contains all the objects in the same iteration order by using the features of Java 8?
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Internal typedefs in C++ - good style or bad style?
Something I have found myself doing often lately is declaring typedefs relevant to a particular class inside that class, i.e.
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How to send objects through bundle
I need to pass a reference to the class that does the majority of my processing through a bundle.
11 Answers
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initialize a numpy array
Is there way to initialize a numpy array of a shape and add to it? I will explain what I need with a list example. If I want to create a list of objects generated in a loop, I can do:
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Convert SQLITE SQL dump file to POSTGRESQL
I've been doing development using SQLITE database with production in POSTGRESQL. I just updated my local database with a huge amount of data and need to transfer a specific table to the production database.
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What is the purpose of XORing a register with itself? [duplicate]
xor eax, eax will always set eax to zero, right? So, why does MSVC++ sometimes put it in my executable's code? Is it more efficient that mov eax, 0 ?
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What is the reason behind cbegin/cend?
I wonder why cbegin and cend were introduced in C++11?
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“Instantiating” a List in Java? [duplicate]
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6 Answers
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Difference between “include” and “require” in php
Is there any difference between them? Is using them a matter of preference? Does using one over the other produce any advantages? Which is better for security?
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