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Uses for Optional
...y before accessing the value.
Removes Uncertainty
Without Optional the meaning of a null occurrence is unclear. It could be a legal representation of a state (see Map.get) or an implementation error like a missing or failed initialization.
This changes dramatically with the persistent use of Opti...
Browsers' default CSS for HTML elements
...du%20Vercors.ogv"></video>
Can i use css filters:
http://caniuse.com/#feat=css-filters
A toolbar I made around css filters, from where are coming this notes:
https://github.com/webdev23/ponyFilters
A more complete codepen example:
http://codepen.io/Nico_KraZhtest/pen/bWExEB/
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How to prevent Browser cache for php site
...nal overhead of… 129µs (microseconds, 0.1295ms) + 8ns (which does not meaningfully contribute to the final number) = 129µs.
– amcgregor
Jun 26 at 13:08
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Can I mask an input text in a bat file?
I am writing a batch file to execute some other programs. In this case I need to prompt for a password. Do I have any way to mask the input text? I don't need to print ******* characters instead of input characters. Linux's Password prompt behavior (Print nothing while typing) is enough.
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What are the big improvements between guava and apache equivalent libraries?
We currently use apache collections, string utils, etc. I need to decide if we should switch from the apache foundations implementation.
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Xcode Project vs. Xcode Workspace - Differences
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A workspace is a collection of projects. It's useful to organize your projects when there's correlation between them (e.g.: Project A includes a library, that is provided as a project itself as project B. When you build the workspace project B is compiled and linked in project A).
It...
What is a Portable Class Library?
...TE Jun 6 2016: This article explains well how the .NETStandard library mechanism supersedes much of PCL
UPDATE Jul 10 2013: Excellent state of the PCL union summary blogpost from @shanselman with lots of concrete examples, screenshots and links. Puts any other answer here in the shade.
UPDATE May ...
What does the CSS rule “clear: both” do?
What does the following CSS rule do:
5 Answers
5
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How to create a unique index on a NULL column?
I am using SQL Server 2005. I want to constrain the values in a column to be unique, while allowing NULLS.
4 Answers
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How do browsers pause/change Javascript when tab or window is not active?
...cifically for this purpose:
Frame Rate Distribution: setInterval vs requestAnimationFrame
Note: This test is quite CPU intensive. requestAnimationFrame is not supported by IE 9- and Opera 12-.
The test logs the actual time it takes for a setInterval and requestAnimationFrame to run in different br...