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What is the difference between Python and IPython?
What exactly is the difference between Python and IPython ?
7 Answers
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Why does Java's hashCode() in String use 31 as a multiplier?
...to Joshua Bloch's Effective Java (a book that can't be recommended enough, and which I bought thanks to continual mentions on stackoverflow):
The value 31 was chosen because it is an odd prime. If it were even and the multiplication overflowed, information would be lost, as multiplication by 2 i...
The differences between .build, .create, and .create! and when should they be used?
So I've been seeing people using .build , .create , and .create! within their controllers more and more lately. What's the difference from just using .new and passing the param'd object and then .save ? Are there pros and cons? Does using these other methods offer benefits?
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What is the difference between FragmentPagerAdapter and FragmentStatePagerAdapter?
What is the difference between FragmentPagerAdapter and FragmentStatePagerAdapter ?
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What is the difference between map and flatMap and a good use case for each?
Can someone explain to me the difference between map and flatMap and what is a good use case for each?
16 Answers
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What is the difference between JAX-RS and JAX-WS?
After reading a few articles about JAX-RS and JAX-WS, I had a few questions that I want to confirm?
5 Answers
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Subversion stuck due to “previous operation has not finished”?
...orning from my home pc, but then I commit the same set of files from work, and now my home repo is bust). So, cleanup says:
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IntelliJ IDEA generating serialVersionUID
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I have reinstalled IDEA and removed plug-ins and it helps me. Tnx a lot.
– Kirill Bazarov
Oct 16 '12 at 12:10
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Open a URL in a new tab (and not a new window)
... demonstrate this.)
CSS3 proposed target-new, but the specification was abandoned.
The reverse is not true; by specifying dimensions for the window in the third argument of window.open(), you can trigger a new window when the preference is for tabs.
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Using Emacs to recursively find and replace in text files not already open
...ld be easy, that especially stops me from getting more used to using Emacs and instead starting up the editor I'm already familiar with. I use the example here fairly often in editing multiple files.
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