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How do I create a custom iOS view class and instantiate multiple copies of it (in IB)?
...iew?
@IBOutlet weak var label: UILabel!
@IBAction func buttonTap(_ sender: UIButton) {
label.text = "Hi"
}
required init?(coder aDecoder: NSCoder) {
super.init(coder: aDecoder)
commonInit()
}
override init(frame: CGRect) {
super.init(frame:...
When should static_cast, dynamic_cast, const_cast and reinterpret_cast be used?
...
static_cast is the first cast you should attempt to use. It does things like implicit conversions between types (such as int to float, or pointer to void*), and it can also call explicit conversion functions (or implicit ones). In ...
How to create a shared library with cmake?
...
Always specify the minimum required version of cmake
cmake_minimum_required(VERSION 3.9)
You should declare a project. cmake says it is mandatory and it will define convenient variables PROJECT_NAME, PROJECT_VERSION and PROJECT_DESCRIPTION (this latter variable necessitate cmake 3...
Why are const parameters not allowed in C#?
... “The callee is free to cast away the const …” uhhhhh… (°_°) This is a pretty shallow argument you're making here. The callee is also free to just start writing random memory locations with 0xDEADBEEF. But both would be very bad programming, and caught early and poignantly by an...
What are free monads?
...
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...
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
...
How do I make a Git commit in the past?
...
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...