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Why can't decimal numbers be represented exactly in binary?

...e the == operator to compare it to another floating-point number. I understand the principles behind floating-point representation. ...
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Why do I need to override the equals and hashCode methods in Java?

...n conjunction with all hash-based collections, including HashMap, HashSet, and Hashtable. Let's try to understand it with an example of what would happen if we override equals() without overriding hashCode() and attempt to use a Map. Say we have a class like this and that two objects of MyClass are...
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How to fix: “HAX is not working and emulator runs in emulation mode”

...nk you @ph0b, thats it, HAXM was installed with 1024 allocation for memory and my avd instance had memory allocation set to 1907. thank you for pointing this out. – GnrlBzik Jan 11 '14 at 4:20 ...
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Android ADB device offline, can't issue commands

I can't connect to my device anymore using ADB through the command line or in Eclipse . 58 Answers ...
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What is a mutex?

...chicken you cannot speak. You can only indicate that you want the chicken and wait until you get it before you speak. Once you have finished speaking, you can hand the chicken back to the moderator who will hand it to the next person to speak. This ensures that people do not speak over each other...
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Using node-inspector with Grunt tasks

...ass the grunt script to node explicitly: node-debug $(which grunt) task and put a debugger; line in your task. node-inspector will then open a browser with debugging tools. Edit 28 Feb 2014 node-inspector has added the command node-debug, which launches node in a --debug state and opens the bro...
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What is the difference between a .xib file and a .storyboard?

Can someone explain in simple words the difference between .xib and .storyboard? 6 Answers ...
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What's Up with Logging in Java? [closed]

... the integrated solution); especially valid if you're an API/Framework/OSS and you rely on other packages that use Commons Logging. Commons Logging because you don't want to "lock down" to a particular logging framework (so instead you lock down to what Commons Logging gives you instead) - I don't t...
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How can I trim beginning and ending double quotes from a string?

I would like to trim a beginning and ending double quote (") from a string. How can I achieve that in Java? Thanks! 17 An...
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Data structure for loaded dice?

...e. for a fixed set of probabilities) so that I can efficiently simulate a random roll of the die. 4 Answers ...