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How to calculate the SVG Path for an arc (of a circle)

...so far, there are actually four arcs that could be drawn, so the two flags select one of them. I'm guessing you probably want to draw a small arc (meaning large-arc-flag=0), in the direction of decreasing angle (meaning sweep-flag=0). All together, the SVG path is: M 200 175 A 25 25 0 0 0 182.322 2...
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Convert data.frame column format from character to factor

...yr::mutate_if() to convert all character columns or dplyr::mutate_at() for select named character columns to factors: library(dplyr) # all character columns to factor: df <- mutate_if(df, is.character, as.factor) # select character columns 'char1', 'char2', etc. to factor: df <- mutate_at(d...
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Why should we NOT use sys.setdefaultencoding(“utf-8”) in a py script?

... As per the documentation: This allows you to switch from the default ASCII to other encodings such as UTF-8, which the Python runtime will use whenever it has to decode a string buffer to unicode. This function is only available at Python start-up time, when Python scans th...
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Path of assets in CSS files in Symfony 2

...css, b.css, c.css, etc: all identical, just changing the color and the CSS selector. .a { background: red url('../images/devil.png'); } The "directories" structure is: Directories All this came, because I did not want the individual original files exposed to the public, specially if I want...
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Open Cygwin at a specific folder

...nload it again and start setup again to run an update), make sure that you select the chere package under the "Shells" category. After Cygwin is launched, open up a Cygwin terminal (as an administrator) and type the command: chere -i -t mintty -s bash. Now you should have "Bash Prompt Here" in the...
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How to get Latitude and Longitude of the mobile device in android?

...add the ACCESS_COARSE_LOCATION permission for when GPS isn't available and select your location provider with the getBestProvider() method. share | improve this answer | foll...
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How to become an OpenCart guru? [closed]

...n the theme folder. Should any template not be available for the currently selected theme, the default folder's template is used instead as a fallback. This means themes can be created with very few files and still function fully. It also reduces code duplication and issues as upgrades are made U...
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How to show Page Loading div until the page has finished loading?

...eforeSend: function(xhr){ <---- use this option here $('.select_element_you_want_to_load_into').html('Loading...'); }, success: function(msg){ $('.select_element_you_want_to_load_into').html(msg); } }); EDIT I see, in that case, using one of the 'display:block'/'displ...
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Why would I want stage before committing in Git?

...kson in your example, what's the difference between the stage+commit and a selective commit? I don't see any difference. – Eugenio Apr 29 '16 at 11:02 9 ...
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:not(:empty) CSS selector is not working?

I'm having a heck of a time with this particular CSS selector which does not want to work when I add :not(:empty) to it. It seems to work fine with any combination of the other selectors: ...