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Can I use view pager with views (not with fragments)
... getItem():
@Override
public Object instantiateItem(ViewGroup collection, int position) {
View v = layoutInflater.inflate(...);
...
collection.addView(v,0);
return v;
}
@Override
public void destroyItem(ViewGroup collection, int position, Object view) {
collection.removeView((V...
Parse date string and change format
...
convert string to datetime object
from datetime import datetime
s = "2016-03-26T09:25:55.000Z"
f = "%Y-%m-%dT%H:%M:%S.%fZ"
out = datetime.strptime(s, f)
print(out)
output:
2016-03-26 09:25:55
...
Generating v5 UUID. What is name and namespace?
...UUIDs
An SHA1 hash outputs 160 bits (20 bytes); the result of the hash is converted into a UUID.
With the 20-byte hash from SHA1:
SHA1 Digest: 74738ff5 5367 e958 9aee 98fffdcd1876 94028007
UUID (v5): 74738ff5-5367-5958-9aee-98fffdcd1876
^_low nibble is set to 5, t...
How to display multiple notifications in android
...
just replace your line with this
notificationManager.notify(Unique_Integer_Number, notification);
hope it will help you.
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Suppress warning CS1998: This async method lacks 'await'
I've got an interface with some async functions. Some of the classes that implements the interface does not have anything to await, and some might just throw. It's a bit annoying with all the warnings.
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What does “static” mean in C?
... newbie, so here's an example:
#include <stdio.h>
void foo()
{
int a = 10;
static int sa = 10;
a += 5;
sa += 5;
printf("a = %d, sa = %d\n", a, sa);
}
int main()
{
int i;
for (i = 0; i < 10; ++i)
foo();
}
This prints:
a = 15, sa = 15
a = 15, sa =...
How to declare constant map
...iteral map (as a pseudo-constant), you can do:
var romanNumeralDict = map[int]string{
1000: "M",
900 : "CM",
500 : "D",
400 : "CD",
100 : "C",
90 : "XC",
50 : "L",
40 : "XL",
10 : "X",
9 : "IX",
5 : "V",
4 : "IV",
1 : "I",
}
Inside a func you can declare it l...
How do you copy the contents of an array to a std::vector in C++ without looping?
...e arrays are perfectly valid containers for most STL algorithms--the raw pointer is equivalent to begin(), and (ptr + n) is equivalent to end().
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How do I overload the [] operator in C# [duplicate]
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public int this[int key]
{
get => GetValue(key);
set => SetValue(key, value);
}
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Which is preferred: Nullable.HasValue or Nullable != null?
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Wow. I hate this syntactic sugar. int? x = null gives me the illusion that a nullable instance is a reference type. But the truth is that Nullable<T> is a value type. It feels I'd get a NullReferenceException to do: int? x = null; Use(x.HasValue).
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