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Fling gesture detection on grid layout
... It is worth noting that you can actually obtain scaled, reasonable values from the system using ViewConfiguration class:
final ViewConfiguration vc = ViewConfiguration.get(getContext());
final int swipeMinDistance = vc.getScaledPagingTouchSlop();
final int swipeThresholdVelocity = vc.getScaledMini...
How to make a Java Generic method static?
...h other.
So, what does this mean:
In my answer <E> would hide the E from ArrayUtils<E> if the method wouldn't be static. AND <E> has nothing to do with the E from ArrayUtils<E>.
To reflect this fact better, a more correct answer would be:
public static <I> I[] append...
How would you implement an LRU cache in Java?
...use encapsulation here instead of inheritance. This is something I learned from Effective Java.
– Kapil D
Feb 8 '12 at 23:04
10
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Group by & count function in sqlalchemy
...counting says that for group_by queries it is better to use func.count():
from sqlalchemy import func
session.query(Table.column, func.count(Table.column)).group_by(Table.column).all()
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imp...
Is it better to call ToList() or ToArray() in LINQ queries?
...
@EldritchConundrum 25% comes from this logic: If the number of items is unknown, then calling ToList or ToArray will start by creating a small buffer. When that buffer is filled, it doubles the capacity of the buffer and continues. Since the capacity i...
ASP.NET Identity DbContext confusion
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I would use a single Context class inheriting from IdentityDbContext.
This way you can have the context be aware of any relations between your classes and the IdentityUser and Roles of the IdentityDbContext.
There is very little overhead in the IdentityDbContext, it is b...
python assert with and without parenthesis
...rp should be 8, it is 7
Why does this python assert have to be different from everything else:
I think the pythonic ideology is that a program should self-correct without having to worry about the special flag to turn on asserts. The temptation to turn off asserts is too great, and thus it's bei...
How to generate a git patch for a specific commit?
...d be included in the patch;
-<n>
Prepare patches from the topmost commits.
Apply the patch with the command:
git am < file.patch
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How to obtain the query string from the current URL with JavaScript?
...ry.makeString( object, [addQuestionMark] )'
// which returns a queryString from an object. An optional boolean parameter can be
// used to toggle a leading question mark.
// -------------------------------------------------------------------------------------
if (!window.location.query) {
window...
Can JSON start with “[”?
From what I can read on json.org , all JSON strings should start with { (curly brace), and [ characters (square brackets) represent an array element in JSON.
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