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Differences between hard real-time, soft real-time, and firm real-time?
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Hard real-time means you must absolutely hit every deadline. Very few systems have this requirement. Some examples are nuclear systems, some medical applications such as pacemakers, a large number of defense applications, avionics, etc.
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How do you run a single test/spec file in RSpec?
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I don't quite follow. What do you mean by "top-level spec file?" My test suite is pretty much always divided across several files, and I can always invoke tests in a single file using this method. Do you mean having a file that requires your other spec file...
How to get back to most recent version in Git?
...t checkout master is exactly how I switch back from a branch. So does that mean that when I check out a previous version, I'm essentially creating a branch?
– Nathan Long
Aug 24 '10 at 17:19
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cURL equivalent in Node.js?
... can you use the -L option somehow?
– corvid
May 10 '15 at 2:39
2
Yes: CURLOPT_FOLLOWL...
Sample random rows in dataframe
... Just because a data frame is implemented as a list internally, it doesn't mean it should behave as one. The [ operator for data frames is a counterexample. Also, please tell me: Have you ever, just one single time, used sample to sample columns from a data frame?
– krlmlr
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What is the difference between const and readonly in C#?
... like a find-replace, the value 2 is 'baked into' the AssemblyB's IL. This means that if tomorrow I'll update I_CONST_VALUE to 20 in the future. AssemblyB would still have 2 till I recompile it.
in the case of the readonly value, it is like a ref to a memory location. The value is not baked into Ass...
How do I pull my project from github?
...lone git@github.com:username/repo.git
Update:
And this is the official guide:
https://help.github.com/articles/fork-a-repo
Take a look at:
https://help.github.com/
It has really useful content
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How to prevent blank xmlns attributes in output from .NET's XmlDocument?
...t not to have a prefix on. Using a namespace without a prefix at the root means that you need to use that same namespace on child elements for them to also not have prefixes.
Fixed Code:
XmlDocument xml = new XmlDocument();
xml.AppendChild(xml.CreateElement("root", "whatever:name-space-1.0"));
xm...
In Bash, how to add “Are you sure [Y/n]” to any command or alias?
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@DennisWilliamson correct, that's what I tried to mean. Can't edit my comment for some reason.
– João Cunha
Jan 24 '15 at 18:44
7
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Override body style for content in an iframe
...e page is coming from the same server as the parent page...which typically means you don't need to bother with javascript anyways...just add the CSS to the other page in the f irst place.
– DA.
Jan 27 '17 at 17:12
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