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What methods of ‘clearfix’ can I use?

...one css statement. Additionally, using display: block (instead of display: table) allows margins to collapse properly when elements with clearfix are siblings. .container::after { content: ""; display: block; clear: both; } This is the most modern version of the clearfix. ⋮ ⋮ Older...
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How can the Euclidean distance be calculated with NumPy?

... description here: stats.stackexchange.com/questions/322620/… . I have 2 tables of 'operations'; each has a 'code' label, but the two sets of labels are totally different. my goal is to find the best or closest code from the second table corresponding to a fixed code in the first (I know what the ...
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How to set the UITableView Section title programmatically (iPhone/iPad)?

I've created a UITableView in Interface Builder using storyboards . The UITableView is setup with static cells and a number of different sections. ...
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Fastest way to determine if an integer's square root is an integer

...ly check if the residue is a square, I look up the answer in a precomputed table. if( bad255[y] ) return false; // However, I just use a table of size 512 Finally, try to compute the square root using a method similar to Hensel's lemma. (I don't think it's applicable directly, but it works wi...
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Pandas percentage of total with groupby

... What's going on here? As I understand it, x is a table of some kind, so 100 * x doesn't intuitively make sense (especially when some of the cells contain strings like AZ, ...). – dhardy Feb 6 '15 at 9:42 ...
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How to avoid isset() and empty()

...hat may or may not be set by a controller, you'll just have to check: <table> <?php if (!empty($foo) && is_array($foo)) : ?> <?php foreach ($foo as $bar) : ?> <tr>...</tr> <?php endforeach; ?> <?php else : ?> ...
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What's the difference between RANK() and DENSE_RANK() functions in oracle?

...SE_RANK() functions? How to find out nth salary in the following emptbl table? 10 Answers ...
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config.assets.compile=true in Rails production, why not?

...mpiled and fingerprinted to the public/assets. Sprockets returns a mapping table of the plain to fingerprinted filenames to Rails, and Rails writes this to the filesystem. The manifest file (YML in Rails 3 or JSON with a randomised name in Rails 4) is loaded into Memory by Rails at startup and cache...
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How to get multiple selected values of select box in php?

...t;form id="form1" name="form1" method="get" action="display.php"> <table width="300" border="1"> <tr> <td><label>Multiple Selection </label> </td> <td><select name="select2[]" size="3" multiple="multiple" tabindex="1"> ...
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Are JavaScript strings immutable? Do I need a “string builder” in JavaScript?

Does javascript use immutable or mutable strings? Do I need a "string builder"? 10 Answers ...