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How to become an OpenCart guru? [closed]

...guage->load method Understanding controllers Controllers are loaded based on the route and are fairly straight forward to understand. Controllers are located in the /catalog/controller/ folder. Continuing from the last example, the Controller for the Search page is in /product/search.php with...
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What is the difference between JSF, Servlet and JSP?

...t, such as doGet() and doPost(). JSF (JavaServer Faces) JSF is a component based MVC framework which is built on top of the Servlet API and provides components via taglibs which can be used in JSP or any other Java based view technology such as Facelets. Facelets is much more suited to JSF than JSP....
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ObservableCollection Doesn't support AddRange method, so I get notified for each item added, besides

...''' <remarks></remarks> Public Sub New() MyBase.New() End Sub ''' <summary> ''' Initializes a new instance of the System.Collections.ObjectModel.ObservableCollection(Of T) class that contains elements copied from the specified collection....
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How to sum array of numbers in Ruby?

...t(0){|sum,x| sum + x } See Ruby's Enumerable Documentation (note: the 0 base case is needed so that 0 will be returned on an empty array instead of nil) share | improve this answer | ...
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Get css top value as number not as string?

...adix too: parseInt($('#elem').css('top'), 10); Forces it to be parsed as base 10, otherwise strings beginning with '0' will be parsed in base 8. – Ben Dec 27 '08 at 17:39 3 ...
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How to customize a requirements.txt for multiple environments?

... @SohamNavadiya That is not what I asked. Let's say I have a base.txt with 3 packages in it, and dev.txt with 1 package in it (and -r base.txt). ALL 4 packages are installed in my virtual environment. I want to now install the 5th package and list it in base, NOT in dev, how do I do it...
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Why is January month 0 in Java Calendar?

...lendar and find something better. One point which is in favour of using 0-based indexes is that it makes things like "arrays of names" easier: // I "know" there are 12 months String[] monthNames = new String[12]; // and populate... String name = monthNames[calendar.get(Calendar.MONTH)]; Of cours...
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Difference between and

...nt of the XML config into the following entry: <context:component-scan base-package="com.xxx" /> When I load the context I get the following output: creating bean B: com.xxx.B@1be0f0a creating bean C: com.xxx.C@80d1ff Hmmmm... something is missing. Why? If you look closelly at the clas...
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Generate random 5 characters string

...h (array_rand($seed, 5) as $k) $rand .= $seed[$k]; Example And, for one based on the clock (fewer collisions since it's incremental): function incrementalHash($len = 5){ $charset = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; $base = strlen($charset); $result = ''; ...
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How do I get currency exchange rates via an API such as Google Finance? [closed]

...Exchange Rates API Free for personal use (1000 hits per month) Changing "base" (from "USD") is not allowed in Free account Requires registration. Request: http://openexchangerates.org/latest.json Response: <!-- language: lang-js --> { "disclaimer": "This data is collected from ...