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How to merge a specific commit in Git
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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 is object slicing?
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@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...
How to prevent Browser cache for php site
..., I can highly recommend grabbing a copy of HTTP: The Definitive Guide and reading the chapter on Caching. Also the RFCs, but reading those is a distinct skill. ("Connection: close" is a hilarious foot-shot to include, disabling efficient pipelining of requests, or will do nothing, but I suspect PHP...
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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How do CUDA blocks/warps/threads map onto CUDA cores?
...a few weeks, but I have some doubts about the allocation of blocks/warps/thread.
I am studying the architecture from a didactic point of view (university project), so reaching peak performance is not my concern.
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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...
Why is creating a new process more expensive on Windows than Linux?
...mportant role on NT than on Unix as NT, in contrast to Unix, favors multithreading over multiprocessing.
Rob, it is true that fork is relatively cheap when COW is used, but as a matter of fact, fork is mostly followed by an exec. And an exec has to load all images as well. Discussing the performanc...
Why no love for SQL? [closed]
...ou wouldn't have to care about performance. So you end up in writing SQL - reading execution plans - rephrasing SQL trying to influence the execution plan, and you wonder why you can't write the execution plan yourself.
Another problem of the declarative language is that some problems are easier to...
Is it better in C++ to pass by value or pass by constant reference?
...a good set of rules found in Move Constructors article (highly recommended reading).
If the function intends to change the argument as a side effect, take it by non-const reference.
If the function doesn't modify its argument and the argument is of primitive type, take it by value.
Otherwise take...