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What are free monads?
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foldFree :: Functor f => (f r -> r) -> Free f r -> r
foldFree _ (Pure a) = a
foldFree f (Roll x) = f (fmap (foldFree f) x)
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How to get JSON response from http.Get
...outil"
import "encoding/json"
type Tracks struct {
Toptracks Toptracks_info
}
type Toptracks_info struct {
Track []Track_info
Attr Attr_info `json: "@attr"`
}
type Track_info struct {
Name string
Duration string
Listeners string
Mbid string
Url ...
live output from subprocess command
...: # replace 'w' with 'wb' for Python 3
process = subprocess.Popen(your_command, stdout=subprocess.PIPE)
for c in iter(lambda: process.stdout.read(1), ''): # replace '' with b'' for Python 3
sys.stdout.write(c)
f.write(c)
or
import subprocess
import sys
with open('test.lo...
How should you build your database from source control?
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Store ALTER scripts: 1 BIG script (or directory of scripts named liked 001_AlterXXX.sql, so that running them in natural sort order will upgrade from version A to B)
Which types of objects shouldn't be version controlled?
Sequences?
Grants?
User Accounts?
see 2. If your users/roles (or technica...
What is difference between Collection.stream().forEach() and Collection.forEach()?
...is implementation specific, (full source code).
I run openjdk version 1.8.0_111 on a fast Linux machine.
I wrote a test that loops 10^6 times over a List using this code with varying sizes for integers (10^0 -> 10^5 entries).
The results are below, the fastest method varies depending on the amoun...
What's the difference between a catalog and a schema in a relational database?
...pper wrapper" object before the database itself.
I mean DB.schema.<what_ever_object_name_under_schema> .
2 Answers
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How do I make a Git commit in the past?
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The advice you were given is flawed. Unconditionally setting GIT_AUTHOR_DATE in an --env-filter would rewrite the date of every commit. Also, it would be unusual to use git commit inside --index-filter.
You are dealing with multiple, independent problems here.
Specifying Dates Other Tha...
The new keyword “auto”; When should it be used to declare a variable type? [duplicate]
... used.
Another place where auto can be used is when you use new1 or make_* functions , such as here:
//without auto. Not that good, looks cumbersome
SomeType<OtherType>::SomeOtherType * obj1 = new SomeType<OtherType>::SomeOtherType();
std::shared_ptr<XyzType> obj2 = std::make_s...
How can I deploy/push only a subdirectory of my git repo to Heroku?
...uction
also, every refresh of the engine wants to update your rails stack -_-
only solution I've found is to use the engine as a /vendor symlink in development, and actually copy the files for production
The solution
The app in question has 4 projects in git root:
api - depending on the profil...
What does an exclamation mark mean in the Swift language?
...://developer.apple.com/library/content/documentation/Swift/Conceptual/Swift_Programming_Language/TheBasics.html#//apple_ref/doc/uid/TP40014097-CH5-XID_399
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