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How is Generic Covariance & Contra-variance Implemented in C# 4.0?
...7/10/16/covariance-and-contravariance-in-c-part-one/
The videos:
https://www.youtube.com/watch?v=3MQDrKbzvqU
https://www.youtube.com/watch?v=XRIadQaBYlI
https://www.youtube.com/watch?v=St9d2EDZfrg
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Opposite of %in%: exclude rows with values specified in a vector
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Hmisc has %nin% function, which should do this.
https://www.rdocumentation.org/packages/Hmisc/versions/4.4-0/topics/%25nin%25
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Android studio, gradle and NDK
... the command line.
I've written all about it in my blog post here: http://www.sureshjoshi.com/mobile/android-ndk-in-android-studio-with-swig/
The salient points are:
There are two things you need to know here. By default, if you have external libs that you want loaded into the Android applicat...
rsync: difference between --size-only and --ignore-times
...es -- the authoritative source is the rsync algorithm description: https://www.andrew.cmu.edu/course/15-749/READINGS/required/cas/tridgell96.pdf. The wikipedia article on rsync is also very good.
For local files, rsync compares metadata and if it looks like it doesn't need to copy the file because ...
How to select multiple rows filled with constants?
...com')) AS MyTable(constants)
You can also view an SQL Fiddle here: http://www.sqlfiddle.com/#!17/9eecb/34703/0
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Sorting an IList in C#
...x.php/2011/02/17/ilistt-sorting-a-better-way/
I think that, ideally, the .NET Framework would include a static sorting method that accepts an IList<T>, but the next best thing is to create your own extension method. It's not too hard to create a couple of methods that will allow you to sort a...
Get epoch for a specific date using Javascript
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Take a look at http://www.w3schools.com/jsref/jsref_obj_date.asp
There is a function UTC() that returns the milliseconds from the unix epoch.
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How to insert spaces/tabs in text using HTML/CSS
...entences - "</br>"
This link might help you. Check out [https://hea-www.harvard.edu/~fine/Tech/html-sentences.html]
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AJAX POST and Plus Sign ( + ) — How to Encode?
...o resolve it. I'm doing the AJAX POST with "Content-Type": "application/x-www-form-urlencoded; charset=UTF-8", and I'm using PHP5 on the server side.
– jalperin
Sep 3 '09 at 18:35
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Name of this month (Date.today.month as name)
...You can use strftime:
Date.today.strftime("%B") # -> November
http://www.ruby-doc.org/stdlib-1.9.3/libdoc/date/rdoc/Date.html#strftime-method
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