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When to use enumerateObjectsUsingBlock vs. for

... support to implement enumeration). Fast enumeration requires translation from an internal representation to the representation for fast enumeration. There is overhead therein. Block-based enumeration allows the collection class to enumerate contents as quickly as the fastest traversal of the nat...
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what is .netrwhist?

...the XDG base directory specifications in order to prevent your home folder from being littered up by dotfiles like ~/.vim, you may want to split cached files and history files from your configuration (which usually resides in the runtime path). So for example, to store .netrwhist in ~/.cache/vim, yo...
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How to get the unix timestamp in C#

...mestamp: DateTimeOffset.UtcNow.ToUnixTimeSeconds() To get the timestamp from a DateTime: DateTime foo = DateTime.UtcNow; long unixTime = ((DateTimeOffset)foo).ToUnixTimeSeconds(); share | impro...
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“Too many values to unpack” Exception

... error, I run it on python prompt it is running, but while taking response from web it gives me this exception. can you please suggest whats going wrong. – MegaBytes Jan 10 '15 at 8:03 ...
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Convert base class to derived class [duplicate]

...her options would basically come out to automate the copying of properties from the base to the derived instance, e.g. using reflection. The code you posted using as will compile, as I'm sure you've seen, but will throw a null reference exception when you run it, because myBaseObject as DerivedClas...
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Most Useful Attributes [closed]

...ific and don't have any uses outside of the development of server controls from what I've found. share | improve this answer | follow | ...
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Switch Git branch without files checkout

... If you want to check out to a fresh branch from the current branch, another way to do this is to 1. git stash 2. git checkout -b otherBranch 3. git stash pop – Winny Jul 15 '14 at 1:14 ...
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Python matplotlib multiple bars

... import matplotlib.pyplot as plt from matplotlib.dates import date2num import datetime x = [ datetime.datetime(2011, 1, 4, 0, 0), datetime.datetime(2011, 1, 5, 0, 0), datetime.datetime(2011, 1, 6, 0, 0) ] x = date2num(x) y = [4, 9, 2] z = [1, 2...
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Do you have to put Task.Run in a method to make it async?

...can use TaskCompletionSource<T> or one of its shortcuts (TaskFactory.FromAsync, Task.FromResult, etc). I don't recommend wrapping an entire method in Task.Run; synchronous methods should have synchronous signatures, and it should be left up to the consumer whether it should be wrapped in a Tas...
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Setting Access-Control-Allow-Origin in ASP.Net MVC - simplest possible method

...that returns some json. It runs on ajax.example.com. I need to access this from another site someothersite.com. 14 Answers ...