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What does the `forall` keyword in Haskell/GHC do?
...n f e x . (forall e x . n e x -> f -> Fact x f)
-> Block n e x -> f -> Fact x f
the type in parentheses would be called "a forall to the left of an arrow". (I'm using types like this in an optimizer I'm working on.)
...
How to select rows from a DataFrame based on column values?
...EXP}TIME]- and [{C|P|EXP}SPACE]-costs of using the above proposed forms of block-syntax ( processing top-down the whole dataframes at once ) grow, namely when scaled to some ~1E6, ~1E9, ~1E12 row counts? Thanks for showing us the whole picture, Sir. Quantitative benchmark readings with [min, Avg, MA...
How efficient can Meteor be while sharing a huge collection among many clients?
...ient will bring the server to its knees (and simultaneous connections will block each other) and memory usage will go up linearly in the number of clients. In our case, each client caused an additional ~60MB of memory usage, even though the raw data transferred was only about 5MB.
In our case, beca...
List comprehension vs map
... the two xs weren't in the same scope.
It was only after I moved the inner block to a different section of the code that the problem came up (read: problem during maintenance, not development), and I didn't expect it.
Yes, if you never make this mistake then list comprehensions are more elegant.
But...
How to install mongoDB on windows?
...level of your system, Windows may pop up a Security Alert dialog box about blocking “some features” of
C:\Program Files\MongoDB\bin\mongod.exe from communicating on
networks. All users should select Private Networks, such as my home or
work network and click Allow access. For additional in...
Difference between `constexpr` and `const`
... goto statement, a statement with a label other than case and default, try-block, the definition of a variable of non-literal type, definition of a variable of static or thread storage duration, the definition of a variable for which no initialization is performed.
The arguments and the return type ...
How to get client's IP address using JavaScript?
..."time_zone": "Asia/Singapore"
},
"ip": "116.12.250.1"
}
Limitations:
Blocked by ad blockers using the EasyPrivacy list
Keep in mind that since these are all free services, your mileage may vary in terms of exceeding quota and uptime, and who knows when/if they will be taken offline down the ...
Is Unit Testing worth the effort? [closed]
...
writing test case for simple code block serves as a regression mechanism - only negative I had seen is adding more stack frames...
– bgs
Oct 19 '13 at 19:23
...
What happens when a computer program runs?
...ction of the CPU or the OS, it is just a choice of housekeeping the memory block wich is given out by the OS. You could do this manyually if you want.
Accessing system resources
The operating system has a public interface how you can access its functions. In DOS parameters are passed in registers ...
What is an optional value in Swift?
...esn't, it unwraps the optional into the provided constant and executes the block. In Xcode 8.3 and later (Swift 3.1), trying to print an optional like this will cause a useless warning. Use the optional's debugDescription to silence it:
print("\(mealPreference.debugDescription)")
What are optional...