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ReactJS - Does render get called any time “setState” is called?
Does React re-render all components and sub components every time setState() is called?
7 Answers
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Unit testing code with a file system dependency
... unit test or an integration test. You just have to make sure that if you do interact with the file system, there are no unintended side effects. Specifically, make sure that you clean up after youself -- delete any temporary files you created -- and that you don't accidentally overwrite an existi...
Are Java static calls more or less expensive than non-static calls?
... static versus non-static are based either on very old JVMs (which did not do anywhere near the optimization that Hotspot does), or some remembered trivia about C++ (in which a dynamic call uses one more memory access than a static call).
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Show/Hide the console window of a C# console application
I googled around for information on how to hide one’s own console window. Amazingly, the only solutions I could find were hacky solutions that involved FindWindow() to find the console window by its title . I dug a bit deeper into the Windows API and found that there is a much better and easier...
Find and Replace text in the entire table using a MySQL query
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Does this replace an entire field, or with it do a substring match within a field?
– Randy Greencorn
Nov 14 '13 at 21:09
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Tricks to manage the available memory in an R session
What tricks do people use to manage the available memory of an interactive R session? I use the functions below [based on postings by Petr Pikal and David Hinds to the r-help list in 2004] to list (and/or sort) the largest objects and to occassionally rm() some of them. But by far the most effect...
How do you loop through currently loaded assemblies?
I've got a "diagnostics" page in my ASP.NET application which does things like verify the database connection(s), display the current appSettings and ConnectionStrings, etc. A section of this page displays the Assembly versions of important types used throughout, but I could not figure out how to e...
Need to ZIP an entire directory using Node.js
...es from a sub-directory and naming it `new-subdir` within the archive (see docs for more options):
archive.directory(source_dir, false);
archive.finalize();
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Left Align Cells in UICollectionView
...dths on a line. According to:
https://developer.apple.com/library/content/documentation/WindowsViews/Conceptual/CollectionViewPGforIOS/UsingtheFlowLayout/UsingtheFlowLayout.html
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Why would you use Oracle database? [closed]
...ith Oracle. Most developers who know any other db hate Oracle, those that don't assume that all DB code and/or ORM tools are difficult to use.
If I started a business that I believed was going to scale to Amazon proportions I might consider NoSQL solutions, otherwise I'd choose PostgreSQL, SQL Ser...