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How to detect incoming calls, in an Android device?
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Here's what I use to do this:
Manifest:
<uses-permission android:name="android.permission.READ_PHONE_STATE" />
<uses-permission android:name="android.permission.PROCESS_OUTGOING_CALLS"/>
<!--This part is inside the application-->
<receiver android:name=".Call...
Arrow operator (->) usage in C
...g a book called "Teach Yourself C in 21 Days" (I have already learned Java and C# so I am moving at a much faster pace). I was reading the chapter on pointers and the -> (arrow) operator came up without explanation. I think that it is used to call members and functions (like the equivalent of...
How to convert a ruby hash object to JSON?
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I tried the same thing with Ruby object and it does not work?? >> require 'json' => true >> class Person >> attr_accessor :fname, :lname >> end => nil >> p = Person.new => #<Person:0x101155f70> >> p.fname = "Bill...
Can I use GDB to debug a running process?
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Yes. Use the attach command. Check out this link for more information. Typing help attach at a GDB console gives the following:
(gdb) help attach
Attach to a process or file outside of GDB.
This command attaches to another target, of the...
What do the plus and minus signs mean in Objective-C next to a method?
In Objective-C, I would like to know what the + and - signs next to a method definition mean.
4 Answers
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Changing the child element's CSS when the parent is hovered
...use CSS?
.parent:hover .child, .parent.hover .child { display: block; }
and then add JS for IE6 (inside a conditional comment for instance) which doesn't support :hover properly:
jQuery('.parent').hover(function () {
jQuery(this).addClass('hover');
}, function () {
jQuery(this).removeCla...
C++11 reverse range-based for-loop
...e key observation is that range-based for-loops work by relying on begin() and end() in order to acquire the range's iterators. Thanks to ADL, one doesn't even need to define their custom begin() and end() in the std:: namespace.
Here is a very simple-sample solution:
// --------------------------...
In an array of objects, fastest way to find the index of an object whose attributes match a search
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The simplest and easiest way to find element index in array.
ES5 syntax: [{id:1},{id:2},{id:3},{id:4}].findIndex(function(obj){return obj.id == 3})
ES6 syntax: [{id:1},{id:2},{id:3},{id:4}].findIndex(obj => obj.id == 3)
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Connecting to Azure website via FTP
...ve you seen this answer? are you using the full credentials including site and a proper ftp client?
– Simon Opelt
Mar 15 '14 at 22:53
7
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How to access data/data folder in Android device?
I am developing an app and I know my database *.db will appear in data/data/com.****.***
18 Answers
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