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Opening Android Settings programmatically

... answer: startActivityForResult(new Intent(android.provider.Settings.ACTION_SETTINGS), 0); It opens the device settings in the same window, thus got the users of my android application (finnmglas/Launcher) for android stuck in there. The answer for 2020 and beyond (in Kotlin): startActivity(Intent(...
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How does this giant regex work?

...36\x34\x5F\x64\x65\x63\x6F\x64\x65\x28 is acutally: eval(gzinflate(base64_decode( This is the code will print out the source code for this backdoor. However i would not execute the resulting PHP code, unless it is on a disposable virtual machine. <?php print gzinflate(base64_decode("7b1tV...
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namespaces for enum types - best practices

...m { Red, Blue, Green, Yellow } enum_type; private: enum_type _val; public: Color(enum_type val = Blue) : _val(val) { assert(val <= Yellow); } operator enum_type() const { return _val; } }; void SetPenC...
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How to safely call an async method in C# without await

...it completes, then you can do this: public string GetStringData() { var _ = MyAsyncMethod(); return "hello world"; } BTW, this is not a "common problem". It's very rare to want to execute some code and not care whether it completes and not care whether it completes successfully. Update: Sin...
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App Inventor 2 BLE扩展源码分析 - WriteBytes vs WriteStrings 23字节硬编...

...p; 结束对于   返回 结果 // 发送时 当 按钮_发送.被点击 时   初始化局部变量 字节列表 = 字符串转字节列表(文本输入框_命令.文本)   调用 蓝牙LE1.WriteBytes(字节列表) 优点:无需修改源码,立即可...
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Creating an empty Pandas DataFrame, then filling it?

... Here's a couple of suggestions: Use date_range for the index: import datetime import pandas as pd import numpy as np todays_date = datetime.datetime.now().date() index = pd.date_range(todays_date-datetime.timedelta(10), periods=10, freq='D') columns = ['A','B', ...
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What is path of JDK on Mac ? [duplicate]

Im using Mac only at work and I need to set JAVA_HOME to proper path of JDK. I downloaded JDK, installed it and now I can't find it anywhere. I was looking at the internet for the solution, but there is no folder Libraries/Java. ...
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How to delete migration files in Rails 3

...rt DB changes due to this migration) Run "rails destroy migration migration_name" (migration_name is the one use chose while creating migration. Remove "timestamp_" from your migration file name to get it) share | ...
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What's the best way to iterate over two or more containers simultaneously

...ny advantage of your indices implementation in comparison to boost counting_range? One could simply use boost::counting_range(size_t(0), containerA.size()) – SebastianK Nov 6 '14 at 13:11 ...
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Fastest Way to Serve a File Using PHP

...he web server to do it. The basic php code is : header("X-Sendfile: $file_name"); header("Content-type: application/octet-stream"); header('Content-Disposition: attachment; filename="' . basename($file_name) . '"'); Where $file_name is the full path on the file system. The main problem with thi...