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Truncate Two decimal places without rounding

Lets say I have a value of 3.4679 and want 3.46, how can I truncate to two decimal places that without rounding up? 21 Answ...
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Regex group capture in R with multiple capture-groups

...It returns a character matrix with one column for each group in the match (and one for the whole match): > s = c("(sometext :: 0.1231313213)", "(moretext :: 0.111222)") > str_match(s, "\\((.*?) :: (0\\.[0-9]+)\\)") [,1] [,2] [,3] [1,] "(sometext ::...
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What is the difference between gravity and layout_gravity in Android?

I know we can set the following values to the android:gravity and android:layout_gravity properties: 20 Answers ...
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Checking for a dirty index or untracked files with Git

...;/dev/null| grep "^M" | wc -l) # Get number of files that are uncommitted and not added expr $(git status --porcelain 2>/dev/null| grep "^ M" | wc -l) # Get number of total uncommited files expr $(git status --porcelain 2>/dev/null| egrep "^(M| M)" | wc -l) Note: The 2>/dev/null filters...
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How to concatenate and minify multiple CSS and JavaScript files with Grunt.js (0.3.x)

Note: This question is only relevant for Grunt 0.3.x and has been left for reference. For help with the latest Grunt 1.x release please see my comment below this question. ...
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NodeJS - Error installing with NPM

... am using Windows 8.1, can anyone tell me what is the problem i am facing, and why is this installation not working. There seems to be a problem with the buffertools dependency, thats far as i can think. Dont know how maybe fix this? ...
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What does the ^ operator do in Java?

...--- xor 3 = 011 This the truth table for bitwise (JLS 15.22.1) and logical (JLS 15.22.2) xor: ^ | 0 1 ^ | F T --+----- --+----- 0 | 0 1 F | F T 1 | 1 0 T | T F More simply, you can also think of xor as "this or that, but not both!". See also Wikipedia: exclusive-...
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Map Tiling Algorithm

...c idea of this algorithm is to use a pre-processing step to find all edges and then select the correct smoothing tile according to the shape of the edge. The first step would be to find all edges. In the example below the edge tiles marked with an X are all green tiles with a tan tile as one or mor...
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How can I debug git/git-shell related problems?

... How and where to set this variables? – Hunsu Jan 15 '16 at 8:28 ...
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How can I create a self-signed cert for localhost?

...SL on localhost? but this sets up a self-signed cert for my machine name, and when browsing it via https://localhost I receive the IE warning. ...