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Difference between WAIT and BLOCKED thread states
...learer than just explaining each of the two states in isolation (which is done by "More Than Five"'s answer
– Kumar Manish
Aug 4 '13 at 19:08
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In git, what is the difference between merge --squash and rebase?
...can also do things like git revert e, much more easily. It's a messy, but honest and pragmatic history, and the main branch still remains fairly clean.
– naught101
Dec 13 '12 at 1:19
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How to initialize std::vector from C-style array?
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If it's one element past the end, it should be okay (just as v.end() is an iterator pointing one past the end with vector in a similar case). If you do get an assertion, then something is off elsewhere.
– Pavel ...
Creating JS object with Object.create(null)?
...of ways to create JS objects but I didn't know the Object.create(null) 's one.
5 Answers
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What is the most pythonic way to check if an object is a number?
...ment to the builtin function sum", for example. Totally weird types (e.g. ones that raise the "wrong" exception when summed to 0, such as, say, a ZeroDivisionError or ValueError &c) will propagate exception, but that's OK, let the user know ASAP that such crazy types are just not acceptable in ...
How to split the name string in mysql?
...e ave completely removed PHP processing and turned 100 lines of logic in a one single query. This is amazing!
– TeaCupApp
Feb 4 '14 at 3:35
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Do any JVM's JIT compilers generate code that uses vectorized floating point instructions?
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To address some of the scepticism expressed by others here I suggest anyone who wants to prove to themselves or other use the following method:
Create a JMH project
Write a small snippet of vectorizable math.
Run their benchmark flipping between -XX:-UseSuperWord and -XX:+UseSuperWord(default)
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Difference between CC, gcc and g++?
...compile your whole program with CC. It also means that if you want to use one library compiled with CC and another compiled with g++, you are out of luck. You have to recompile one of the libraries at least.
In terms of quality of assembler generated, the GCC (GNU Compiler Collection) does a very...
What's the difference between deque and list STL containers?
...so to "delete matching items" you need to accumulate the matching items in one operation, and then delete them in another. In a list, you can walk through it, remove and add as you wish, and never have to recalculate an iterator.
– Tom Swirly
Apr 28 '12 at 2:0...
How to check if there's nothing to be committed in the current branch?
...--porcelain is empty is to test each condition you care about separately. One might not always care, for example, if there are untracked files in the output of git status.
For example, to see if there are any local unstaged changes, you can look at the return code of:
git diff --exit-code
To ch...