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**Privacy Policy**

This privacy policy applies to the n8n app (hereby referred to as "Application") for mobile devices that was created by (hereby referred to as "Service Provider") as a Free service. This service is intended for use "AS IS".

**Information Collection and Use**

The Application collects information when you download and use it. This information may include information such as

*   Your device's Internet Protocol address (e.g. IP address)
*   The pages of the Application that you visit, the time and date of your visit, the time spent on those pages

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let array = [4, 5, 6]

let initialValue = 1 // giá trị bắt đầu
let rs = array.reduce((previousValue, item, index, arrayReduce) => {
    // console.log(item); // giá trị của item tại index, item = array[index] 
    // console.log(previousValue);  // đầu tiên previousValue = initialValue, previousValue = return callbackReduce()
    // console.log(index); // index của array
    // console.log(arrayReduce); // arrayReduce == array
    let result = previousValue + item
    return result

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+ shutting down the IDE and then removing both
`~\AppData\Roaming\JetBrains\WebStorm2020.2\options\web-browsers.xml` and `~\AppData\Roaming\JetBrains\WebStorm2020.2\options\other.xml`

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step 1: Connect  Android device to pc
step 2: find package installed on device 
  + adb shell pm list packages -f -3
show list package for example:
  + package:/data/app/com.facebook.lite-8_89meYFwfdQ23e_DesbnA==/base.apk=com.facebook.lite
step 3: go to adb shell and pull apk file to sdcard
  + adb shell
  + cp /data/app/com.facebook.lite-8_89meYFwfdQ23e_DesbnA==/base.apk  /sdcard/facebook.apk
step 4: pull apk file to pc
  + adb pull /sdcard/facebook.apk <path_pc_pull_file>

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bước 1: Decoding
bước 2: Edit
bước 3: Building
bước 4: Sign App with keytool

b1:
apktool d <apk_file>.apk -o <dir_name>
b2:
edit
b3: