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PHP - find entry by object property from an array of objects

... You either iterate the array, searching for the particular record (ok in a one time only search) or build a hashmap using another associative array. For the former, something like this $item = null; foreach($array as $struct) { if ($v == $struct->ID) { ...
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How to change Hash values?

... my_hash.each { |k, v| my_hash[k] = v.upcase } or, if you'd prefer to do it non-destructively, and return a new hash instead of modifying my_hash: a_new_hash = my_hash.inject({}) { |h, (k, v)| h[k] = v.upcase; h } This last version has the added benefit that you could...
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Chain-calling parent initialisers in python [duplicate]

... The way you are doing it is indeed the recommended one (for Python 2.x). The issue of whether the class is passed explicitly to super is a matter of style rather than functionality. Passing the class to super fits in with Python's philosophy of "explicit is better than implicit"....
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JavaScript validation for empty input field

... <script type="text/javascript"> function validateForm() { var a = document.forms["Form"]["answer_a"].value; var b = document.forms["Form"]["answer_b"].value; var c = document.forms["Form"]["answer_c"].value; var d = document.forms["Form"]["answer_d"].valu...
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BestPractice - Transform first character of a string into lower case

I'd like to have a method that transforms the first character of a string into lower case. 11 Answers ...
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Where does PHP's error log reside in XAMPP?

I've been using XAMPP for Windows. 13 Answers 13 ...
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Django 1.7 throws django.core.exceptions.AppRegistryNotReady: Models aren't loaded yet

... This is what solved it for us and these folks: Our project started with Django 1.4, we went to 1.5 and then to 1.7. Our wsgi.py looked like this: import os from django.core.handlers.wsgi import WSGIHandler os.environ['DJANGO_SETTINGS_MODULE'] = ...
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What's the easiest way to call a function every 5 seconds in jQuery? [duplicate]

... You don't need jquery for this, in plain javascript, the following will work! window.setInterval(function(){ /// call your function here }, 5000); To stop the loop you can use clearInterval() ...
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Getting the current page

...want to get the current page that's being displayed (maybe page isn't the correct term). I can't find any variable that holds this. But I think it must be held somewhere, since the indicator is able to show which sub-view of the scroll view is currently being displayed. ...
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Why can outer Java classes access inner class private members?

...st a way to cleanly separate some functionality that really belongs to the original outer class. They are intended to be used when you have 2 requirements: Some piece of functionality in your outer class would be most clear if it was implemented in a separate class. Even though it's in a separate...