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Ruby on Rails vs ASP.NET MVC 3 for a .NET Guy? [closed]
...differently than C#, and a dynamic language like Ruby isn't a bad place to start. (Another option would be a functional language like Haskell, Scala, etc.)
You will be a better programmer after you do, and you won't have to call yourself "a .NET guy" anymore!
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Favorite (Clever) Defensive Programming Best Practices [closed]
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Allocate a reasonable chunk of memory when the application starts - I think Steve McConnell referred to this as a memory parachute in Code Complete.
This can be used in case something serious goes wrong and you are required to terminate.
Allocating this memory up-front provides y...
How do I find out which settings.xml file maven is using
...witch ( mvn -s <my intended settings.xml file> ) and everything just started working. It seems to suggest that maven by default is using a "wrong" settings.xml
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Argument list too long error for rm, cp, mv commands
... bunch of files. -exec rm {} + would do the same thing, but still requires starting at least one external process. -delete allows find to simply execute the required system calls itself without using an external wrapper.
– chepner
Dec 5 '16 at 16:12
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How to determine whether a Pandas Column contains a particular value
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Starting from pandas 0.24.0 , using s.values and df.values is highly discoraged. See this. Also, s.values is actually much slower in some cases.
– Qusai Alothman
Feb 1 '19 at 7:09
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Does Java have a HashMap with reverse lookup?
...ndency). It does not offer all features available in Maps but it is a good start.
public class BidirectionalMap<KeyType, ValueType>{
private Map<KeyType, ValueType> keyToValueMap = new ConcurrentHashMap<KeyType, ValueType>();
private Map<ValueType, KeyType...
What is the purpose of Serialization in Java?
...application save objects to disk so it can read them back the next time it starts. If your application is going to provide any way of saving/sharing a previous state, you'll need some form of serialization.
share
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Split code over multiple lines in an R script
...oo small. Anyway, @Dirk is very right.
R doesn't need to be told the code starts at the next line. It is smarter than Python ;-) and will just continue to read the next line whenever it considers the statement as "not finished". Actually, in your case it also went to the next line, but R takes the ...
“#include” a text file in a C program as a char[]
... the text of the raw literal a bit more readable if you use 1+R"... as the starting delimiter instead of R"..., and then prepend a newline before Line 1. This will transform the expression from an array to a pointer, but that's not really a problem here, since you're initializing a pointer, not an a...
How can I change the color of my prompt in zsh (different from normal text)?
To recognize better the start and the end of output on a commandline, I want to change the color of my prompt, so that it is visibly different from the programs output. As I use zsh, can anyone give me a hint?
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