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What is the rationale behind having companion objects in Scala?
Is there a case where a companion object (singleton) for a class is needed? Why would I want to create a class, say Foo and also create a companion object for it?
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“Auth Failed” error with EGit and GitHub
I've installed EGit plugin at Eclipse Helios and I'm trying to use it with my GitHub account, but when I try to configure it I get an "Auth Failed" error.
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Is it possible to install APK file if more than one emulators/devices are connected [duplicate]
I know how to install the apk file in to the emulator by command prompt and all that.
But i want to know is it possible to install same apk file in to multiple emulator by giving any specific name ?
Actually i have to test one apk file in to many device. and for that i have started many device. I kn...
Application Error - The connection to the server was unsuccessful. (file:///android_asset/www/index.
App Dies On Startup (connection to the server was unsuccessful)
16 Answers
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case-insensitive list sorting, without lowercasing the result?
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What is the tilde (~) in the enum definition?
I'm always surprised that even after using C# for all this time now, I still manage to find things I didn't know about...
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Performance of FOR vs FOREACH in PHP
First of all, I understand in 90% of applications the performance difference is completely irrelevant, but I just need to know which is the faster construct. That and...
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How do I get the first n characters of a string without checking the size or going out of bounds?
How do I get up to the first n characters of a string in Java without doing a size check first (inline is acceptable) or risking an IndexOutOfBoundsException ?
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Check whether an input string contains a number in javascript
...y end goal is to validate an input field. The input may be either alphabetic or numeric.
12 Answers
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How to split a comma-separated value to columns
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