momvart’s gists

momvart / EpochConverter.asm

Last active January 29, 2019 06:53

MIPS assembly code that converts epoch to date and time parts

	#MIPS equivalent of .NET DateTime.GetDatePart
	#https://referencesource.microsoft.com/mscorlib/R/ff06f271f088f1a8.html

	.macro push(%value)
	addi $sp, $sp, -4
	sw %value, 0($sp)
	.end_macro
	.macro pop(%storeTo)
	lw %storeTo, 0($sp)
	addi $sp ,$sp, 4

momvart / ScrollLockableGridLayoutManager.kt

Last active May 3, 2020 10:46

A simple extension of GridLayoutManager which makes it possible to lock/disable/set the read-only scroll properties for your recyclerview

	import android.content.Context
	import androidx.recyclerview.widget.GridLayoutManager

	class ScrollLockableGridLayoutManager(context: Context, spansCount: Int) : GridLayoutManager(context, spansCount) {

	var canScrollVertically = true

	override fun canScrollVertically(): Boolean =
	if (!canScrollVertically) false
	else super.canScrollVertically()

momvart / StartLinearSmoothScroller.kt

Last active August 3, 2019 07:02

A simple android LinearSmoothScroller which scrolls to put the target item to the top of the RecyclerView

	class StartLinearSmoothScroller(context: Context): LinearSmoothScroller(context) {
	override fun getVerticalSnapPreference() = SNAP_TO_START
	}

	//Example
	val smoothScroller = StartLinearSmoothScroller(context)
	smoothScroller.targetPosition = 0 //replace with your target position
	layoutManager.startSmoothScroll(smoothScroller)

momvart / PIPExample.kt

Created August 3, 2019 10:41

A way of showing a PIP window on all apps

	val windowManager = this.getSystemService(Context.WINDOW_SERVICE) as WindowManager
	val windowLayoutParams = WindowManager.LayoutParams()
	windowLayoutParams.width = 300
	windowLayoutParams.height = 300
	windowLayoutParams.x = 400
	windowLayoutParams.y = 400
	windowLayoutParams.format = PixelFormat.TRANSLUCENT
	windowLayoutParams.gravity = Gravity.TOP or Gravity.LEFT
	if (Build.VERSION.SDK_INT >= 26)
	windowLayoutParams.type = WindowManager.LayoutParams.TYPE_APPLICATION_OVERLAY

momvart / IDXData.java

Last active August 16, 2019 05:36

A set of utility classes to read MNIST IDX files. http://yann.lecun.com/exdb/mnist/

	import java.util.ArrayList;
	import java.util.Arrays;
	import java.util.Collections;
	import java.util.List;
	import java.util.stream.Collectors;

	public class IDXData {
	protected final ArrayList<Integer> dimensions;
	protected final byte[][] rawData;

momvart / CircularProgressBar.kt

Last active August 28, 2021 14:07

My simple implementation of a circular progress bar with support of animation in Android

	import android.animation.ValueAnimator
	import android.content.Context
	import android.graphics.*
	import android.util.AttributeSet
	import android.view.View
	import android.view.animation.AccelerateDecelerateInterpolator
	import android.view.animation.AnimationUtils
	import android.view.animation.Interpolator
	import org.jetbrains.anko.displayMetrics
	import kotlin.math.absoluteValue

momvart / ButtonHoldClickTriggerTouchListener.kt

Last active August 28, 2021 14:06

A touch listener that makes a touch-and-hold click trigger functionality for you view in Android.

	import android.view.MotionEvent
	import android.view.View
	import androidx.core.view.postDelayed
	import kotlin.math.max

	class ButtonHoldClickTriggerTouchListener(
	private val startDelay: Long = STANDARD_DELAY,
	private val minDelay: Long = STANDARD_MIN_DELAY_BETWEEN_TRIGGERS,
	private val delayReduce: Long = STANDARD_DELAY_REDUCE
	) : View.OnTouchListener {

momvart / LayoutGravityBindingAdapter.kt

Created April 3, 2020 15:15

Android binding adapter for `layout_gravity` attribute

	@BindingAdapter("android:layout_gravity")
	fun setLayoutGravity(view: View, gravity: Int) {
	when (view.layoutParams) {
	is LinearLayout.LayoutParams ->
	(view.layoutParams as LinearLayout.LayoutParams).gravity = gravity
	is FrameLayout.LayoutParams ->
	(view.layoutParams as FrameLayout.LayoutParams).gravity = gravity
	//Add more view groups here
	}
	}

momvart / BLOSUM62.py

Created April 8, 2020 17:48

Simple BLOSUM62 implementation in python. Used for sequence alignment of proteins. Based on https://en.wikipedia.org/wiki/BLOSUM

momvart / BWT_First_To_Last.py

Last active May 13, 2020 11:25

A generator for mapping of last to first column in BWT matrix. Input is a BW transform of DNA sequence.

	#change this if you want to support other types of sequences
	def get_char_index(c):
	if c == 'A':
	return 1
	elif c == 'C':
	return 2
	elif c == 'G':
	return 3
	elif c == 'T':
	return 4

Mohammad Omidvar momvart