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What is the difference between “def” and “val” to define a function
...e performance with a single call. And with no calls you'll get no overhead from def, so you can define it even if you will not use it in some branches.
With a lazy val you'll get a lazy evaluation: you can define it even if you will not use it in some branches, and it evaluates once or never, but y...
Why is auto_ptr being deprecated?
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I found the existing answers great, but from the PoV of the pointers. IMO, an ideal answer should have the user/programmer's perspective answer.
First thing first (as pointed by Jerry Coffin in his answer)
auto_ptr could be replaced by shared_ptr or unique_pt...
Allowed characters in filename [closed]
...at only because I was bitten by that once when I shortened an include file from const.h to con.h and spent half an hour figuring out why the compiler hung.
Turns out DOS ignored extensions for devices so that con.h was exactly the same as con, the input console (meaning, of course, the compiler was...
What is the purpose of python's inner classes?
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Quoted from http://www.geekinterview.com/question_details/64739:
Advantages of inner class:
Logical grouping of classes: If a class is useful to only one other class then it is logical to embed it in that class and keep ...
Clearing localStorage in javascript?
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@digital-plane Will this clear the local storage from a specific domain or all the storage?
– crisron
Dec 3 '15 at 2:37
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List or IList [closed]
...oriented programming. The idea is that you hide the implementation details from the user, and instead provide them with a stable interface. This is to reduce dependency on details that might change in the future.
– jason
Dec 30 '08 at 13:35
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Removing packages installed with go get
...install (I would much prefer to keep my Go install clean and separate core from custom). How do I remove packages installed previously?
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How to replace spaces in file names using a bash script
...ively replace spaces with underscores in file and directory names starting from a given root directory? For example:
18 Ans...
How to read a text file into a string variable and strip newlines?
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No, rstrip('\n') will only remove the newline from the last line, replace('\n','') removes it everywhere (essentially making the whole file one line)
– sleeplessnerd
Jul 6 '14 at 8:00
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Dump Mongo Collection into JSON format
... If Mongo is located on a different host, here's an example from the Mongo doc mongoexport --host mongodb1.example.net --port 37017 --username user --password "pass" --collection contacts --db marketing --out mdb1-examplenet.json
– What Would Be Cool
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