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What is the purpose of class methods?

... John MillikinJohn Millikin 178k3636 gold badges199199 silver badges215215 bronze badges ...
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Datepicker: How to popup datepicker when click on edittext

...n You tell me what is that new_split.this? – JEMSHID56 Sep 30 '13 at 8:50 2 This did not work for...
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Run a callback only if an attribute has changed in Rails

...hanged ActiveRecord::Dirty is here: https://github.com/rails/rails/commit/16ae3db5a5c6a08383b974ae6c96faac5b4a3c81 Here is a blog post on these changes: https://www.ombulabs.com/blog/rails/upgrades/active-record-5-1-api-changes.html Here is the summary I made for myself on the changes to ActiveRec...
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What is Bit Masking?

... // no masking is necessary uint32_t byte2 = (value >> 16) & 0xff; // 0x01020304 >> 16 is 0x0102 so // we must mask to get 0x02 uint32_t byte3 = (value >> 8) & 0xff; // 0x01020304 >> 8 is 0x010203 s...
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What is the fastest way to send 100,000 HTTP requests in Python?

...an HTTP request to each URL and print the status code. I am using Python 2.6, and so far looked at the many confusing ways Python implements threading/concurrency. I have even looked at the python concurrence library, but cannot figure out how to write this program correctly. Has anyone come acr...
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How can I hash a password in Java?

...use a facility built in to the Java runtime to do this. The SunJCE in Java 6 supports PBKDF2, which is a good algorithm to use for password hashing. byte[] salt = new byte[16]; random.nextBytes(salt); KeySpec spec = new PBEKeySpec("password".toCharArray(), salt, 65536, 128); SecretKeyFactory f = Se...
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Convert decimal to binary in python [duplicate]

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Navigation bar appear over the views with new iOS7 SDK

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In node.JS how can I get the path of a module I have loaded via require that is *not* mine (i.e. in

... answered Apr 12 '12 at 10:06 Linus ThielLinus Thiel 35.4k88 gold badges9898 silver badges9797 bronze badges ...
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Create a menu Bar in WPF?

... answered Mar 30 '12 at 3:56 iondenionden 11.5k11 gold badge4040 silver badges3636 bronze badges ...