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Broadcast receiver for checking internet connection in android app

...c void onReceive(Context context, Intent intent) { Bundle extras = intent.getExtras(); NetworkInfo info = (NetworkInfo) extras .getParcelable("networkInfo"); State state = info.getState(); Log.d("TEST Internet...
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How do I design a class in Python?

... a defined noun, or some other kind of "primitive" or "atomic" data like a string or a float or something irreducible. For each action or operation, you have to identify which noun has the responsibility, and which nouns merely participate. It's a question of "mutability". Some objects get update...
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Best way to serialize an NSData into a hexadeximal string

...king for a nice-cocoa way to serialize an NSData object into a hexadecimal string. The idea is to serialize the deviceToken used for notification before sending it to my server. ...
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Unable to generate an explicit migration in entity framework

...ure to check your startup project is one with your db context's connection string. I had this problem when I temporarily changed my startup project and didn't realize that the other project didn't have the same connection string. – Gage Trader Aug 3 '16 at 21:5...
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How to execute a raw update sql with dynamic binding in rails

... ActiveRecord::Base.connection has a quote method that takes a string value (and optionally the column object). So you can say this: ActiveRecord::Base.connection.execute(<<-EOQ) UPDATE foo SET bar = #{ActiveRecord::Base.connection.quote(baz)} EOQ Note if you're in a Ra...
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Can I find out the return value before returning while debugging in Eclipse?

... the parent class and do my debugging in the wrapper/child class. It takes extra work though. share | improve this answer | follow | ...
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Swift - encode URL

If I encode a string like this: 17 Answers 17 ...
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How to convert a string or integer to binary in Ruby?

How do you create integers 0..9 and math operators + - * / in to binary strings. For example: 6 Answers ...
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Version number comparison in Python

... Remove the uninteresting part of the string (trailing zeroes and dots), and then compare the lists of numbers. import re def mycmp(version1, version2): def normalize(v): return [int(x) for x in re.sub(r'(\.0+)*$','', v).split(".")] return cmp(n...
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Why does HTML5 form-validation allow emails without a dot?

...ould have a ^, denoting it should start matching from the beginning of the string and also accept upper case: ^[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Za-z]+$ – Kohjah Breese Dec 6 '18 at 14:18 ...