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Choice between vector::resize() and vector::reserve()
...ouple of allocations, use reserve().
EDIT: Blastfurnace's comment made me read the question again and realize, that in your case the correct answer is don't preallocate manually. Just keep inserting the elements at the end as you need. The vector will automatically reallocate as needed and will do ...
How to merge a specific commit in Git
...
Apply the change introduced by an existing commit.
Do not forget to read bdonlan's answer about the consequence of cherry-picking in this post:
"Pull all commits from a branch, push specified commits to another", where:
A-----B------C
\
\
D
becomes:
A-----B------C
\
\
D-----C'...
What are the big improvements between guava and apache equivalent libraries?
...he code is full of best practices and useful patterns to make the API more readable, discoverable, performant, secure, thread-safe...
Having read Effective Java (awesome book BTW), I see these patterns everywhere in the code:
factory methods (such as ImmutableList.copyOf())
builder pattern (Immut...
Why doesn't TFS get latest get the latest?
...test version of the files, but ignore the ones that the server thinks is already in your workspace. Which to me and just about everyone else on the planet is wrong.
See this link: http://blogs.microsoft.co.il/blogs/srlteam/archive/2009/04/13/how-get-latest-version-really-works.aspx
The only way t...
What is object slicing?
...
@fgp Your comment should read B b1; B b2; A& b2_ref = b2; b2_ref = b1 "The real problem occurs if you" ... derive from a class with a non-virtual assignment operator. Is A even intended for derivation? It has no virtual functions. If you derive f...
Why do I need to override the equals and hashCode methods in Java?
Recently I read through this
Developer Works Document .
29 Answers
29
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Always pass weak reference of self into block in ARC?
...located properly.
Because, in a situation like this, self by definition already has a strong reference to the block, it's usually easiest to resolve by making an explicitly weak reference to self for the block to use:
__weak MyObject *weakSelf = self;
[self setMyBlock:^(id obj, NSUInteger idx, BOO...
Does Java SE 8 have Pairs or Tuples?
... in Java SE was proposed and rejected at least once. See this discussion thread on one of the OpenJDK mailing lists. The tradeoffs are not obvious. On the one hand, there are many Pair implementations in other libraries and in application code. That demonstrates a need, and adding such a class to Ja...
Java generics type erasure: when and what happens?
I read about Java's type erasure on Oracle's website .
7 Answers
7
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Fixed point vs Floating point number
...ust can't understand fixed point and floating point numbers due to hard to read definitions about them all over Google. But none that I have read provide a simple enough explanation of what they really are. Can I get a plain definition with example?
...