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How to track untracked content?
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You have added vendor/plugins/open_flash_chart_2 as “gitlink” entry, but never defined it as a submodule. Effectively you are using the internal feature that git submodule uses (gitlink entries) but you are not using the submodule feature itself.
You probably did something l...
C# - What does the Assert() method do? Is it still useful?
I am debugging with breakpoints and I realize the assert call? I thought it was only for unit tests. What does it do more than breakpoint? Since I can breakpoint, why should I use Assert?
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What is the difference between ArrayList.clear() and ArrayList.removeAll()?
...code for clear():
public void clear() {
modCount++;
// Let gc do its work
for (int i = 0; i < size; i++)
elementData[i] = null;
size = 0;
}
The source code for removeAll()(As defined in AbstractCollection):
public boolean removeAll(Collection<?> c) {
boolea...
SQL Server Management Studio alternatives to browse/edit tables and run queries [closed]
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I've started using LinqPad. In addition to being more lightweight than SSMS, you can also practice writing LINQ queries- way more fun than boring old TSQL!
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C++ project organisation (with gtest, cmake and doxygen)
...g a simple vector class in C++. However I would like to get in to good habits from the start rather than trying to modify my workflow later on.
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What is the dependency inversion principle and why is it important?
What is the dependency inversion principle and why is it important?
16 Answers
16
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Java abstract interface
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Why is it necessary for an interface to be "declared" abstract?
It's not.
public abstract interface Interface {
\___.__/
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'----> Neither this...
public void interfacing();
public abstract...
When should one use final for method parameters and local variables?
...rameters and local variables, not final methods or classes. For constants, it makes obvious sense.
15 Answers
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How does a Java HashMap handle different objects with the same hash code?
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A hashmap works like this (this is a little bit simplified, but it illustrates the basic mechanism):
It has a number of "buckets" which it uses to store key-value pairs in. Each bucket has a unique number - that's what identifies the bucket. When you put a key-v...
Adding a directory to $LOAD_PATH (Ruby)
...TH (or $:). I see the advantages of doing this in case you're not working with a gem. One seems more verbose than the other, obviously, but is there a reason to go with one over the other?
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