[Solved] Weird nullpointer exception error [closed]

You seem to have forgotten to initialize the context member An Activity is a subclass of Context, so you don’t need to declare/initialize a separate Context to use. Instead just do; connManager = (ConnectivityManager)getSystemService(Context.CONNECTIVITY_SERVICE); 1 solved Weird nullpointer exception error [closed]

[Solved] Syntax for arrays as operands

In C++, if you have a C++11 capable compiler and you use std::vector instead of raw arrays, you could use initializer lists: void kilos(const std::vector<int> percentage, const std::vector<std::string> liquid); // … kilos({40, 60}, {“water”, “milk”}); solved Syntax for arrays as operands

[Solved] take html input from user and out modified html back to the user

Consider using a prompt like so: <html> <script type=”text/javascript”> function getValue(){ var retVal = prompt(“Enter your name : “, “your name here”); // You can do something like convert it all to lowercase here: document.write(“You have entered : ” + retVal.toLowerCase()); } </script> Click the following button to see the result: <form> <input type=”button” value=”Click … Read more

[Solved] How performing these two function?

Use preg_match to capture them in your functions. Regex for capturing the letters: /([A-Z]+)/i Regex for capturing the numbers: /([0-9]+)/ So you could have functions like: function getAlpha($source) { preg_match(“/([A-Z]+)/i”, $source, $matches); return $matches[1]; } function getNumeric($source) { preg_match(“/([0-9]+)/”, $source, $matches); return $matches[1]; } And you would use it like this: echo getAlpha(“butterfly12”); //butterfly echo … Read more

[Solved] Python Restaurant Price + Tip [closed]

try this: print(“Between everyone the meal costs”, bill2 / int(people)) other solution is cast people input: people = int(input(“How many people are available to pay? “)) solved Python Restaurant Price + Tip [closed]

[Solved] How to equal button text with the addition of two button text

Your code looks right, I think. Maybe you could try the following: String btn12 = button1Text + button2Text; if(btn12.equals(button3Text)) { return true; } For debug purposes you could log buttonText1, buttonText2, buttonText3 and the concat string btn12. Do they really have the same content? Update: Ahh okay the strings contains numbers and you want to … Read more

[Solved] Thinnest operating system supporting virtualization apps like VirtualBox? [closed]

There exist rancher (http://rancher.com/rancher-os/) which can solve this problem as follows Its a 30-40mb operating system as bootable ISO so no questions of crash with power outages, can always reboot from ISO. One can load docker images which shall be of Ubuntu / Windows thereby eliminating footprint needs in terms of thin OS and no … Read more