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Difference between method and function in Scala
...l):
def apply(v1: T1, v2: T2): R
And that tell us all that there is to know about it. A function has an apply method which receives N parameters of types T1, T2, ..., TN, and returns something of type R. It is contra-variant on the parameters it receives, and co-variant on the result.
That varia...
What is the purpose of the reader monad?
...nstance Functor (Reader env) where
fmap f (Reader g) = Reader $ f . g
Now, to get a monad:
instance Monad (Reader env) where
return x = Reader (\_ -> x)
(Reader f) >>= g = Reader $ \x -> runReader (g (f x)) x
which is not so scary. ask is really simple:
ask = Reader $ \x -...
What does enctype='multipart/form-data' mean?
... then you need to start worrying about the format. You might also want to know about it for interest's sake.
application/x-www-form-urlencoded is more or less the same as a query string on the end of the URL.
multipart/form-data is significantly more complicated but it allows entire files to be i...
Use PPK file in Mac Terminal to connect to remote connection over SSH [closed]
... install putty
Place your keys in some directory, e.g. your home folder. Now convert the PPK keys to SSH keypairs:cache search
To generate the private key:
cd ~
puttygen id_dsa.ppk -O private-openssh -o id_dsa
and to generate the public key:
puttygen id_dsa.ppk -O public-openssh -o...
Dynamically replace the contents of a C# method?
... Update: By including a reference to System.Reflection.Emit, Harmony now compiles and tests OK with .NET Core 3
– Andreas Pardeike
May 2 '19 at 5:48
1
...
Java “Virtual Machine” vs. Python “Interpreter” parlance?
...ng tokens. You can't look at each byte or even each line in isolation and know exactly what to do next. The tokens in the language can't be taken in isolation like they can relative to the instructions (byte codes) of a VM.
A Java compiler converts Java language into a byte-code stream no different...
How to add a right button to a UINavigationController?
...roller = [[PropertyViewController alloc] initWithRootViewController:vc];
Now, this infoButton that has been created programatically will show up in the navigation bar. The idea is that the navigation controller picks up its display information (title, buttons, etc) from the UIViewController that i...
Convert string with commas to array
...JSON.parse("[" + listValues + "]");
This gives you an Array of numbers.
now you variable value is like array.length=1
Value output
array[0].ComplianceTaskID
array[0].RequirementTypeID
array[0].MissedRequirement
array[0].TimeOverdueInMinutes
...
How to change or add theme to Android Studio?
...
Looks like the link is now dead
– Shaheen Ghiassy
Oct 11 '16 at 5:52
5
...
Async image loading from url inside a UITableView cell - image changes to wrong image while scrollin
... SDWebImage is very laggy since iOS 8, it was one of my fav frameworks but now I'm starting using PinRemoteImage which works reaallly good.
– Joan Cardona
Dec 14 '15 at 11:23
...