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How to create multidimensional array

...ar numeric = [ ['input1','input2'], ['input3','input4'] ]; numeric[0][0] == 'input1'; numeric[0][1] == 'input2'; numeric[1][0] == 'input3'; numeric[1][1] == 'input4'; var obj = { 'row1' : { 'key1' : 'input1', 'key2' : 'input2' }, 'row2' : { 'key3' : 'inpu...
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how to ignore namespaces with XPath

... answered Dec 14 '10 at 15:05 Dirk VollmarDirk Vollmar 157k5151 gold badges240240 silver badges300300 bronze badges ...
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What is the ultimate postal code and zip regex?

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How to downgrade or install an older version of Cocoapods

...on of cocoa pods via the following command: sudo gem install cocoapods -v 0.25.0 You can use older installed versions with following command: pod _0.25.0_ setup share | improve this answer ...
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pandas dataframe columns scaling with sklearn

...;> scaler = MinMaxScaler() >>> dfTest = pd.DataFrame({'A':[14.00,90.20,90.95,96.27,91.21], 'B':[103.02,107.26,110.35,114.23,114.68], 'C':['big','small','big','small','small']}) >>> dfTest[['A', 'B']] = scaler.fit_transform(...
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How do I create an average from a Ruby array?

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No provider for “framework:jasmine”! (Resolving: framework:jasmine)

... message that no launcher was installed (see http://karma-runner.github.io/0.10/config/browsers.html). npm install karma-safari-launcher --save-dev My packages.json looked like this after my action: { "name": "test1", "version": "0.0.0", "dependencies": {}, "devDependencies": { "grunt...
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RegEx for matching UK Postcodes

...nition given. The RegEx supplied by the UK Government was: ([Gg][Ii][Rr] 0[Aa]{2})|((([A-Za-z][0-9]{1,2})|(([A-Za-z][A-Ha-hJ-Yj-y][0-9]{1,2})|(([A-Za-z][0-9][A-Za-z])|([A-Za-z][A-Ha-hJ-Yj-y][0-9][A-Za-z]?))))\s?[0-9][A-Za-z]{2}) As pointed out on the Wikipedia discussion, this will allow some no...
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Why doesn't Python have a sign function?

...cause they didn't agree on what it should return in all the edge cases (+/-0, +/-nan, etc) So they decided to implement only copysign, which (although more verbose) can be used to delegate to the end user the desired behavior for edge cases - which sometimes might require the call to cmp(x,0). I...
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Best Practice: Software Versioning [closed]

...n to the outside world. So If you make a major change move from version 1.0.0.0 to version 2.0.0.0 (you changed from WinForms to WPF for example). If you make a smaller change move from 1.0.0.0 to 1.1.0.0 (you added support for png files). If you make a minor change then go from 1.0.0.0 to 1.0.1.0 ...