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R - Concatenate two dataframes?
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if you're rbind is coming from base for some strange reason: I used rbind.data.frame
– Boern
May 2 '18 at 12:42
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Show or hide element in React
...ionally return null as in Douglas's answer. That allows React to remove it from the DOM entirely. In your case the div & its contents are still in the DOM just not showing. This may have performance implications.
– pmont
Sep 7 '14 at 3:31
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Learning about LINQ [closed]
...my opinion, awesome:
https://github.com/walkhard/linq-exercises
Download from git, open in Visual Studio. Your job is to make the tests pass.
[disclosure: i learned some linq from it and I contribute to the project so yeah i think it's an awesome, fast and efficient way to learn.]
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Bypass confirmation prompt for pip uninstall
...lt;python package(s)>
pip uninstall -y package1 package2 package3
or from file
pip uninstall -y -r requirements.txt
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DateTime.ToString(“MM/dd/yyyy HH:mm:ss.fff”) resulted in something like “09/14/2013 07.20.31.371”
... Just one small consideration. When loading a CultureInfo object from a specific code I always suggest to set the useUserOverride parameter to false, otherwise some user settings can override the culture settings. For example in your case I suggest to use new CultureInfo("ar-SA", false).
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string.split - by multiple character delimiter
...e are both characters right? What if I want to split by either "[" or "]"? From my tests so far I guess thats a different story, right?
– C4d
Mar 7 '16 at 15:28
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Should I mix AngularJS with a PHP framework? [closed]
... may be more comfortable with developing in PHP you let this hold you back from utilizing the full potential with web applications.
It is indeed possible to have PHP render partials and whole views, but I would not recommend it.
To fully utilize the possibilities of HTML and javascript to make a w...
What is ModelState.IsValid valid for in ASP.NET MVC in NerdDinner?
...nnotations model binder will fill model state with validation errors taken from the DataAnnotations attributes on your model.
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How is performance affected by an unused using directive?
...ve unused references explains how it be useful to remove unused references from the application.
Below are the some excerpts from the link:
By removing any unused references in your application, you are
preventing the CLR from loading the unused referenced modules at
runtime. Which means that you...
Big-oh vs big-theta [duplicate]
...s
What is the difference between Θ(n) and O(n)?
The following quote from Wikipedia also sheds some light:
Informally, especially in computer science, the Big O notation often is
permitted to be somewhat abused to describe an asymptotic tight bound
where using Big Theta notation might ...