Tutorial by Examples: co

TextViewPlus.java: public class TextViewPlus extends TextView { private static final String TAG = "TextView"; public TextViewPlus(Context context) { super(context); } public TextViewPlus(Context context, AttributeSet attrs) { super(context, attrs)...

Get Compressed Bitmap from Singleton class: ImageView imageView = (ImageView)findViewById(R.id.imageView); Bitmap bitmap = ImageUtils.getInstant().getCompressedBitmap("Your_Image_Path_Here"); imageView.setImageBitmap(bitmap); ImageUtils.java: public class ImageUtils { public ...

Using a pipe makes the output of a command be the input of the next one. ls -1 | grep -c ".conf" In this case the ouput of the ls command is used as the input of the grep command. The result will be the number of files that include ".conf" in their name. This can be used to ...

SVG Patterns behave significantly differently than CSS background images when filling equivalent shapes. This can lead to significant surprises for new-comers to SVG. Below are examples of a pattern defined in all possible combinations of patternUnits and patternContentUnits - showing how these sett...

M-x magit-status s RET <file-to-stage> RET c c <commit message> C-c C-c q

nginx -s reload

To be able to use vim commands in Python, the vim module should be imported. :python import vim After having this module imported, the user has access to the command function: :python vim.command("normal iText to insert") This command would execute i in normal mode then type Text t...

public class ViewAnimationUtils { public static void expand(final View v) { v.measure(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT); final int targtetHeight = v.getMeasuredHeight(); v.getLayoutParams().height = 0; v...

Create drawable file named with custom_rectangle.xml in drawable folder: <?xml version="1.0" encoding="utf-8"?> <shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="rectangle" > <solid android:color=&quo...

DP to Pixel: private int dpToPx(int dp) { return (int) (dp * Resources.getSystem().getDisplayMetrics().density); } Pixel to DP: private int pxToDp(int px) { return (int) (px / Resources.getSystem().getDisplayMetrics().density); }

When comparing two GameObjects by Tags, it should be noted that the following would cause Garbage Collector overhead as a string is created everytime: if (go.Tag == "myTag") { //Stuff } When performing those comparisons inside Update() and other regular Unity's callback (or a ...

In [1]: import pandas as pd In order to run a query in BigQuery you need to have your own BigQuery project. We can request some public sample data: In [2]: data = pd.read_gbq('''SELECT title, id, num_characters ...: FROM [publicdata:samples.wikipedia] ...: ...

If you have created service account and have private key json file for it, you can use this file to authenticate with pandas In [5]: pd.read_gbq('''SELECT corpus, sum(word_count) words FROM [bigquery-public-data:samples.shakespeare] GROUP BY co...

This example demonstrates how to do compile time checking of an annotated element. The annotation The @Setter annotation is a marker can be applied to methods. The annotation will be discarded during compilation not be available afterwards. package annotation; import java.lang.annotation.Eleme...

When a module is using at expressions, such as: #lang at-exp racket/base or #lang scribble/manual You have access to the following types of comments: @;{Block text that goes until the closing brace.} As well as: @; Single line text. Note that if you are using a language that ...

Always encode from unicode to bytes. In this direction, you get to choose the encoding. >>> u'🐍'.encode('utf-8') '\xf0\x9f\x90\x8d' The other way is to decode from bytes to unicode. In this direction, you have to know what the encoding is. >>> b'\xf0\x9f\x90\x8d'.decode('...

This set of example show how to execute commands stored in strings or script files, without the need of the interactive prompt. This is especially useful to when a shell script needs to interact with a database. Execute command from a string $ mysql -uroot -proot test -e'select * from people' +...

Suppose you have a DataFrame of numerical values, for example: df = pd.DataFrame(np.random.randn(1000, 3), columns=['a', 'b', 'c']) Then >>> df.corr() a b c a 1.000000 0.018602 0.038098 b 0.018602 1.000000 -0.014245 c 0.038098 -0.014245 1.000000...

Colored text can be created by passing the text and a font color name to the following function: private String getColoredSpanned(String text, String color) { String input = "<font color=" + color + ">" + text + "</font>"; return input; } The ...

setuptools_scm is an officially-blessed package that can use Git or Mercurial metadata to determine the version number of your package, and find Python packages and package data to include in it. from setuptools import setup, find_packages setup( setup_requires=['setuptools_scm'], use_...