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Remove multiple keys from Map in efficient way?
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Assuming your set contains the strings you want to remove, you can use the keySet method and map.keySet().removeAll(keySet);.
keySet returns a Set view of the keys contained in this map. The set is backed by the map, so changes to the ...
Why is transposing a matrix of 512x512 much slower than transposing a matrix of 513x513?
... entry on caching, I'm gonna narrow it down here.
A cache is organized in sets and lines. At a time, only one set is used, out of which any of the lines it contains can be used. The memory a line can mirror times the number of lines gives us the cache size.
For a particular memory address, we can ...
Read-only and non-computed variable properties in Swift
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Simply prefix the property declaration with private(set), like so:
public private(set) var hours: UInt = 0
public private(set) var minutes: UInt = 0
public private(set) var seconds: UInt = 0
private keeps it local to a source file, while internal keeps it local to the mod...
Optimal settings for exporting SVGs for the web from Illustrator?
...n.
SVG 1.1: You will almost always want this.
SVG Tiny/Basic: this is a subset of SVG intended for mobile devices. Only a handful of devices support SVG Tiny and not the full spec, so go for SVG 1.1.
Note: SVG Tiny does not reduce the file size, it's just a subset of SVG that is adequate for low p...
How to reliably open a file in the same directory as a Python script
... symbolic links if any are found. This avoids troubles when deploying with setuptools on Linux systems (scripts are symlinked to /usr/bin/ -- at least on Debian).
You may the use the following to open up files in the same folder:
f = open(os.path.join(__location__, 'bundled-resource.jpg'))
# ...
I ...
ASP.NET Identity DbContext confusion
...d in the IdentityDbContext, it is basically a regular DbContext with two DbSets. One for the users and one for the roles.
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Disabling highlighting of current line in the Visual Studio editor
...the squiggly warnings that R# puts underneath text. I don't suppose we can set the transparency of the border...
– PandaWood
Aug 24 '12 at 4:28
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Show current key setting?
...output like:
mapleader ,
It may be undefined if not previously set, defaulting instead to a backslash \
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android - How to set the Rating bar is non clickable and touchable in HTC mobile
My application have rating bars. I want to set the Rating bar is non-click able and no-touchable. For this i added the following code in xml file of each rating bar.
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How to change line width in IntelliJ (from 120 character)
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IntelliJ IDEA 2018
File > Settings... > Editor > Code Style > Hard wrap at
IntelliJ IDEA 2016 & 2017
File > Settings... > Editor > Code Style > Right margin (columns):
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