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Go Error Handling Techniques [closed]
I'm just getting started with Go. My code is starting to have a lot of this:
11 Answers
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Difference between variable declaration syntaxes in Javascript (including global variables)?
Is there any difference between declaring a variable:
5 Answers
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Scalar vs. primitive data type - are they the same thing?
...e interchangeable. They are frequently similar, but the difference does exist, and seems to mainly be in what they are contrasted with and what is relevant in context.
Scalars are typically contrasted with compounds, such as arrays, maps, sets, structs, etc. A scalar is a "single" value - integer...
Catching java.lang.OutOfMemoryError?
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I agree and disagree with most the responses here.
There are a number of scenarios where you may wish to catch an OutOfMemoryError and in my experience (on Windows and Solaris JVMs), only very infrequently is OutOfMemoryError the death-k...
Return value in a Bash function
...though bash has a return statement, the only thing you can specify with it is the function's own exit status (a value between 0 and 255, 0 meaning "success"). So return is not what you want.
You might want to convert your return statement to an echo statement - that way your function output could be...
Android Fragments. Retaining an AsyncTask during screen rotation or configuration change
...on a Smartphone / Tablet app, using only one APK, and loading resources as is needed depending on screen size, the best design choice seemed to be using Fragments via the ACL.
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Regular expression for floating point numbers
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TL;DR
Use [.] instead of \. and [0-9] instead of \d to avoid escaping issues in some languages (like Java).
Thanks to the nameless one for originally recognizing this.
One relatively simple pattern for matching a floating point number is
[+-]?([0-9]*[.])?[0-9]+
This will match:
123
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Declare a const array
Is it possible to write something similar to the following?
15 Answers
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What is the correct way to create a single-instance WPF application?
Using C# and WPF under .NET (rather than Windows Forms or console), what is the correct way to create an application that can only be run as a single instance?
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what is the difference between ?:, ?! and ?= in regex?
...e expressions but couldn't understand the exact difference between them.
This is what they say:
6 Answers
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