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Is There a Better Way of Checking Nil or Length == 0 of a String in Ruby?
Is there a better way than the following to check to see if a string is nil OR has a length of 0 in Ruby?
16 Answers
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Count table rows
What is the MySQL command to retrieve the count of records in a table?
11 Answers
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Should an Enum start with a 0 or a 1?
Imagine I have defined the following Enum:
14 Answers
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How to replace multiple strings in a file using PowerShell
I am writing a script for customising a configuration file. I want to replace multiple instances of strings within this file, and I tried using PowerShell to do the job.
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Detect viewport orientation, if orientation is Portrait display alert message advising user of instr
I am building a website specifically for mobile devices. There is one page in particular which is best viewed in landscape mode.
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Could not load type 'System.Runtime.CompilerServices.ExtensionAttribute' from assembly 'mscorlib
When starting up my web site for the first time, I'm getting this error
10 Answers
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How to set -source 1.7 in Android Studio and Gradle
I'm getting following error when trying to compile my project in Android Studio:
8 Answers
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Setting an int to Infinity in C++
I have an int a that needs to be equal to "infinity". This means that if
6 Answers
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Dialog to pick image from gallery or from camera
...hoose either to pick an image from the camera or to get from gallery (like in build-in phone book or Skype)?
6 Answers
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Two single-column indexes vs one two-column index in MySQL?
I'm faced with the following and I'm not sure what's best practice.
4 Answers
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