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How can I repeat a character in Bash?

... 410 You can use: printf '=%.0s' {1..100} How this works: Bash expands {1..100} so the command be...
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How to make good reproducible pandas examples

...nd below your code with your code unindented: In [2]: df Out[2]: A B 0 1 2 1 1 3 2 4 6 test pd.read_clipboard(sep='\s\s+') yourself. * I really do mean small, the vast majority of example DataFrames could be fewer than 6 rowscitation needed, and I bet I can do it in 5 rows. Can you re...
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Add a common Legend for combined ggplots

... 108 Update 2015-Feb See Steven's answer below df1 <- read.table(text="group x y gro...
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Easy pretty printing of floats in python?

... 102 As noone has added it, it should be noted that going forward from Python 2.6+ the recommended w...
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How to plot two histograms together in R?

...gle numeric column which lists the length of all measured carrots (total: 100k carrots) and cucumbers (total: 50k cucumbers). ...
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Convert an image to grayscale in HTML/CSS

.../* Disable grayscale on hover */ img:hover { -webkit-filter: grayscale(0); filter: none; } <img src="http://lorempixel.com/400/200/"> What about Internet Explorer 10? You can use a polyfill like gray. ...
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Performance of foreach, array_map with lambda and array_map with static function

...W, I just did the benchmark since poster didn't do it. Running on PHP 5.3.10 + XDebug. UPDATE 2015-01-22 compare with mcfedr's answer below for additional results without XDebug and a more recent PHP version. function lap($func) { $t0 = microtime(1); $numbers = range(0, 1000000); $ret = $f...
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Hide separator line on one UITableViewCell

...-1){ UIImageView *line = [[UIImageView alloc] initWithFrame:CGRectMake(0, 44, 320, 2)]; line.backgroundColor = [UIColor redColor]; [cell addSubview:line]; } for iOS 7 upper versions (including iOS 8) if (indexPath.row == self.newCarArray.count-1) { cell.separatorInset = UIEdgeInse...
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how to convert array values from string to int?

... | edited Apr 23 '19 at 10:46 Rahul 16.8k77 gold badges3434 silver badges5353 bronze badges answered Ma...
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How can I add a box-shadow on one side of an element?

...the box-shadow rule: .myDiv { border: 1px solid #333; width: 100px; height: 100px; box-shadow: 10px 0 5px -2px #888; } <div class="myDiv"></div> The fourth property there -2px is the shadow spread, you can use it to change the spread of the shadow, making it a...