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@RequestBody and @ResponseBody annotations in Spring
... classpath (and have an <mvc:annotation-driven> setup), Spring would convert the incoming JSON to a UserStats object from the post body (because you added the @RequestBody annotation) and it would serialize the returned object to JSON (because you added the @ResponseBody annotation). So the Br...
How to implement the factory method pattern in C++ correctly
...s for all class members without some preliminary calculation, then I might convert that constructor to a static method. The static method performs the preliminary calculations, then returns a value result via a private constructor which just does a member-wise initialisation.
I say 'might' because ...
How to change an Eclipse default project into a Java project
...it checked out as a "default" project. What is the easiest way to quickly convert this into a "Java" project?
11 Answers
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How to make the tab character 4 spaces instead of 8 spaces in nano?
... with a language like python (as in your example) it's also a good idea to convert tabs to spaces.
Edit your ~/.nanorc file (or create it) and add:
set tabsize 4
set tabstospaces
If you already got a file with tabs and want to convert them to spaces i recommend the expandcommand (shell):
expand...
How to parse a date? [duplicate]
.../Kolkata" ) );
zdtKolkata : 2009-06-19T06:26:02+05:30[Asia/Kolkata]
Convert to j.u.Date
If you really need a java.util.Date object for use with classes not yet updated to the java.time types, convert. Note that you are losing the assigned time zone, but have the same moment automatically adj...
How to read a single char from the console in Java (as the user types it)?
...stem.in.read() to read bytes from the console. A CharsetDecoder is used to convert bytes to characters.
It supports non-blocking input and mixing raw mode and normal line mode input.
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OpenSSL: PEM routines:PEM_read_bio:no start line:pem_lib.c:703:Expecting: TRUSTED CERTIFICATE [close
...0BAQUFADBM^M
To solve "this" open it with Write or Notepad++ and have it convert it to Windows "style"
Try to run openssl x509 -text -inform DER -in server_cert.pem and see what the output is, it is unlikely that a private/secret key would be untrusted, trust only is needed if you exported the key...
How to change line-ending settings
...tocrlf true
This will make sure when you checkout in windows, all LF will convert to CRLF
.gitattributes File
It is a good idea to keep a .gitattributes file as we don't want to expect everyone in our team set their config. This file should keep in repo's root path and if exist one, git will respec...
How to split a string in Haskell?
... Data.List.Split> l
["1","2","3","4"]
Prelude Data.List.Split> let { convert :: [String] -> [Integer]; convert = map read }
Prelude Data.List.Split> let l2 = convert l
Prelude Data.List.Split> :t l2
l2 :: [Integer]
Prelude Data.List.Split> l2
[1,2,3,4]
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What does ^M character mean in Vim?
... text file is - file.txt, then run this command -
dos2unix file.txt
It converts the text file from dos to unix format.
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