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ValueError : I/O operation on closed file

... | edited May 19 at 16:30 Boris 4,70255 gold badges4242 silver badges5252 bronze badges answered Sep 2...
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Remove non-numeric characters (except periods and commas) from a string

...od/full stop as follows: $testString = '12.322,11T'; echo preg_replace('/[^0-9,.]+/', '', $testString); The pattern can also be expressed as /[^\d,.]+/ share | improve this answer | ...
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“render :nothing => true” returns empty plaintext file?

...et the content type like this: render :nothing => true, :status => 200, :content_type => 'text/html' share | improve this answer | follow | ...
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KnockOutJS - Multiple ViewModels in a single View

... 150 If they all need to be on the same page, one easy way to do this is to have a master view model ...
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jQuery: Adding two attributes via the .attr(); method

...ttribute, you must always use quotes! From the jQuery documentation (Sep 2016) for .attr: Attempting to change the type attribute on an input or button element created via document.createElement() will throw an exception on Internet Explorer 8 or older. Edit: For future reference... To get a sing...
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Format string, integer with leading zeros

... Use the format string "img_%03d.jpg" to get decimal numbers with three digits and leading zeros. share | improve this answer | ...
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Using app.configure in express

...no difference at all. http://expressjs.com/api.html#app.configure Update 2015: @IlanFrumer points out that app.configure is removed in Express 4.x. If you followed some outdated tutorials and wondering why it didn't work, You should remove app.configure(function(){ ... }. Like this: var express =...
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How do you exit from a void function in C++?

... 200 Use a return statement! return; or if (condition) return; You don't need to (and can't) s...
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Decoding JSON using json.Unmarshal vs json.NewDecoder.Decode

...| edited Jul 14 '16 at 1:50 Seth 8,40299 gold badges3939 silver badges6666 bronze badges answered Jan 18...
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Why is “if not someobj:” better than “if someobj == None:” in Python?

... 190 In the first test, Python try to convert the object to a bool value if it is not already one. Ro...