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Left Align Cells in UICollectionView
...ct: CGRect) we simply get the index paths of all cells within the rect and then call the first function for every index path to retrieve the correct frames:
override public func layoutAttributesForElements(in rect: CGRect) -> [UICollectionViewLayoutAttributes]? {
// We may not change the or...
How exactly does __attribute__((constructor)) work?
...printf to the constructor and desctructor functions to debug the problem). Then run LD_PRELOAD=./test_code numactl -N 0 sleep 1. You will see that the constructor is called twice but destructor only once.
– B Abali
Aug 9 '19 at 13:41
...
How does the const constructor actually work?
...const constructor to actually create a compile-time
constant object, you then replace "new" with "const" in a
"new"-expression. You can still use "new" with a const-constructor,
and it will still create an object, but it will just be a normal new
object, not a compile-time constant value. Th...
How did Google manage to do this? Slide ActionBar in Android application
...tParams to this LinearLayout and get some space on the left side this way. Then, you can fill this space with your menu-ListView and overlay the other content with a FrameLayout, that, when it's clicked, collapses the menu. So, here's some code:
First, the class for collapsing / expanding (SlideMen...
Most useful NLog configurations [closed]
...to simplify. For example, you might define variables for your layouts and then reference the variable in the target configuration rather than specify the layout directly.
<variable name="brief" value="${longdate} | ${level} | ${logger} | ${message}"/>
<variable name="verbose" value=...
What are the underlying data structures used for Redis?
...urhash2. (Previously they used the djb2 hash function, with seed=5381, but then the hash function was switched to murmur2. See this question for an explanation of the djb2 hash algorithm.)
Redis uses Incremental Hashing, also known as Incremental Resizing. The dictionary has two hash tables. Every t...
How can I deploy/push only a subdirectory of my git repo to Heroku?
...git remote add heroku git@heroku.com:young-rain-5086.git
#pull heroku but then checkback out our current local master and mark everything as merged
git pull heroku master
git checkout --ours .
git add -u
git commit -m"merged"
#push back to heroku, open web browser, and remove git repository
git pu...
Set Locale programmatically
...writing this code in my base activity:
(if you don't have a base activity then you should make these changes in all of your activities)
@Override
protected void attachBaseContext(Context base) {
super.attachBaseContext(updateBaseContextLocale(base));
}
private Context updateBaseContextLocale(...
Determining complexity for recursive functions (Big O notation)
... @Shubham: #4 doesn't seem right to me. If the number of leaves is 2^n then the height of the tree must be n, not log n. The height would only be log n if n represented the total number of nodes in the tree. But it doesn't.
– Julian A.
Feb 25 '18 at 20:55...
Difference between Python's Generators and Iterators
...iter__ method is called when you attempt to use an object with a for-loop. Then the __next__ method is called on the iterator object to get each item out for the loop. The iterator raises StopIteration when you have exhausted it, and it cannot be reused at that point.
From the documentation
From t...