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@royshil
royshil / AndroidCamera2TouchToFocus.java
Last active Sep 6, 2019
How to implement Touch-to-Focus in Android using Camera2 APIs
View AndroidCamera2TouchToFocus.java
//Override in your touch-enabled view (this can be differen than the view you use for displaying the cam preview)
@Override
public boolean onTouch(View view, MotionEvent motionEvent) {
final int actionMasked = motionEvent.getActionMasked();
if (actionMasked != MotionEvent.ACTION_DOWN) {
return false;
}
if (mManualFocusEngaged) {
Log.d(TAG, "Manual focus already engaged");
return true;
@Kovah
Kovah / mysql-levenshtein.sql
Created Feb 22, 2017
Levenshtein function for MySQL
View mysql-levenshtein.sql
-- Levenshtein function
-- Source: https://openquery.com.au/blog/levenshtein-mysql-stored-function
-- Levenshtein reference: http://en.wikipedia.org/wiki/Levenshtein_distance
-- Arjen note: because the levenshtein value is encoded in a byte array, distance cannot exceed 255;
-- thus the maximum string length this implementation can handle is also limited to 255 characters.
DELIMITER $$
DROP FUNCTION IF EXISTS LEVENSHTEIN $$
CREATE FUNCTION LEVENSHTEIN(s1 VARCHAR(255) CHARACTER SET utf8, s2 VARCHAR(255) CHARACTER SET utf8)
@gunjanpatel
gunjanpatel / revert-a-commit.md
Last active Sep 13, 2019
Git HowTo: revert a commit already pushed to a remote repository
View revert-a-commit.md

Revert the full commit

Sometimes you may want to undo a whole commit with all changes. Instead of going through all the changes manually, you can simply tell git to revert a commit, which does not even have to be the last one. Reverting a commit means to create a new commit that undoes all changes that were made in the bad commit. Just like above, the bad commit remains there, but it no longer affects the the current master and any future commits on top of it.

git revert {commit_id}'

About History Rewriting

Delete the last commit

Deleting the last commit is the easiest case. Let's say we have a remote origin with branch master that currently points to commit dd61ab32. We want to remove the top commit. Translated to git terminology, we want to force the master branch of the origin remote repository to the parent of dd61ab32:

@artem-zinnatullin
artem-zinnatullin / MyApp.java
Last active Aug 27, 2019
If you need to set one font for all TextViews in android application you can use this solution. It will override ALL TextView's typefaces, includes action bar and other standard components, but EditText's password font won't be overriden.
View MyApp.java
public class MyApp extends Application {
@Override
public void onCreate() {
TypefaceUtil.overrideFont(getApplicationContext(), "SERIF", "fonts/Roboto-Regular.ttf"); // font from assets: "assets/fonts/Roboto-Regular.ttf
}
}
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