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Programmatically obtain the phone number of the Android phone

...ission.READ_PHONE_STATE"/> Caveats: According to the highly upvoted comments, there are a few caveats to be aware of. This can return null or "" or even "???????", and it can return a stale phone number that is no longer valid. If you want something that uniquely identifies the device, you sh...
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Binding to static property

...e but cannot. I posted my dilemma as another question here: stackoverflow.com/questions/34656670/… – Andrew Simpson Jan 7 '16 at 14:01  |  ...
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Parsing command-line arguments in C?

...Library documentation has some nice examples for Getopt and Argp. http://www.gnu.org/software/libc/manual/html_node/Getopt.html http://www.gnu.org/software/libc/manual/html_node/Argp.html Example for using Getopt #include <stdbool.h> #include <stdio.h> #include <stdlib.h> #inc...
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Cleaner way to update nested structures

...opy(superMode = true)) g2: Game = Game("run",Pacman(3,true)) // Using the compiler-generated location classes this gets much easier: scala> val g3 = g1.loc.pacman.superMode set true g3: Game = Game("run",Pacman(3,true) So the community needs to persuade the Scala team that this effort should ...
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Storing Image Data for offline web application (client-side storage database)

...ill A Must read article on "How the browsers store IndexedDB data" http://www.aaron-powell.com/web/indexeddb-storage Note: FireFox uses SQLlite for the NOSQL IndexedDB. That might be the reason for the slow performance. (blobs stored separately) Note: Microsoft IE uses the extensible storage engin...
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Vim: Replacing a line with another one yanked before

... Steps 1 and 2 can be combined using :ay [E.g. :20y] Followed by Vp should do the trick. You do not have to go to a line to yank it. – Bharad Aug 12 '13 at 9:23 ...
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EntityType has no key defined error

...tem.Collections.Generic; using System.Linq; using System.Web; using System.ComponentModel.DataAnnotations.Schema; using System.ComponentModel.DataAnnotations; namespace MvcApplication1.Models { [Table("studentdetails")] public class student { [Key] public int RollNo { ge...
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Workflow for statistical analysis and report writing

...ta each time you make a change to a subsequent step. Also, keeping my code compartmentalized like this means I can come back to a long forgotten project and quickly read load.R and work out what data I need to update, and then look at do.R to work out what analysis was performed. ...
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How to get default gateway in Mac OSX

... the route that packages will take to a particular host. E.g. route -n get www.yahoo.com The output would be similar to: route to: 98.137.149.56 destination: default mask: 128.0.0.0 gateway: 5.5.0.1 interface: tun0 flags: <UP,GATEWAY,DONE,STATIC,PRCLONING> recvpipe sen...
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WebSockets vs. Server-Sent events/EventSource

...o that means that you can open 6 SSE connections across all of the tabs to www.example1.com and another 6 SSE connections to www.example2.com (thanks Phate). Only WS can transmit both binary data and UTF-8, SSE is limited to UTF-8. (Thanks to Chado Nihi). Some enterprise firewalls with packet inspec...