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MongoDB atomic “findOrCreate”: findOne, insert if nonexistent, but do not update
as the title says, I want to perform a find (one) for a document, by _id, and if doesn't exist, have it created, then whether it was found or was created, have it returned in the callback.
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How to Test a Concern in Rails
Given that I have a Personable concern in my Rails 4 application which has a full_name method, how would I go about testing this using RSpec?
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Swift equivalent for MIN and MAX macros
In C / Objective-C it is possible to find the minimum and maximum value between two numbers using MIN and MAX macros. Swift doesn't support macros and it seems that there are no equivalents in the language / base library. Should one go with a custom solution, maybe based on generics like this one ?...
What is a “first chance exception”?
... a first chance exception? How and where does it originate in a .NET program? And why is it called by that peculiar name (what 'chance' are we talking about)?
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Access parent DataContext from DataTemplate
I have a ListBox which binds to a child collection on a ViewModel. The listbox items are styled in a datatemplate based on a property on the parent ViewModel:
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How can I get the sha1 hash of a string in node.js?
I'm trying to create a websocket server written in node.js
5 Answers
5
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Disabling Strict Standards in PHP 5.4
I'm currently running a site on php 5.4, prior to this I was running my site on 5.3.8. Unfortunately, php 5.4 combines E_ALL and E_STRICT , which means that my previous setting for error_reporting does not work now. My previous value was E_ALL & ~E_NOTICE & ~E_STRICT Should I just ena...
How to get duration, as int milli's and float seconds from ?
I'm trying to use chrono library for timers and durations.
4 Answers
4
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How do I determine the target architecture of static library (.a) on Mac OS X?
I'm interested in verifying if a given iPhone static library has been built for ARM or Intel.
5 Answers
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fatal: 'origin' does not appear to be a git repository
I've a repository moodle on my Github account which I forked from the official repository.
6 Answers
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