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What is the difference between public, private, and protected?

... Not sure if the protected definition is correct here, from the actual selected answer it seems, Protected - Can be accessed only from the inherited class onwards and not from the original/parent class. Saying "WITHIN the class" can be a bit confusing. – pal4life ...
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Using OR in SQLAlchemy

...keys) == dictargs[primkeys]) else: return query = select([db.RT_eqmtvsdata]).where(and_(*filterargs)) if self.r_ExecuteAndErrorChk2(query)[primarykeys[0]] is not None: # update filter = and_(*filterargs) query = tableobject.__table__.update().val...
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CSS3 :unchecked pseudo-class

... :unchecked is not defined in the Selectors or CSS UI level 3 specs, nor has it appeared in level 4 of Selectors. In fact, the quote from W3C is taken from the Selectors 4 spec. Since Selectors 4 recommends using :not(:checked), it's safe to assume that ther...
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How can I make a WPF combo box have the width of its widest element in XAML?

...e combo wide enough so that the widest item is fully visible when it's the selected item? This is where I've seen problems. – jschroedl Aug 9 '09 at 17:11 add a comment ...
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Django ManyToMany filter()

...d it. the above code will end up generating SQL that looks something like: SELECT * FROM users WHERE id IN (SELECT user_id FROM userzones WHERE zone_id IN (1,2,3)) which is nice because it doesn't have any intermediate joins that could cause duplicate users to be returned ...
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What is the meaning of the prefix N in T-SQL statements and when should I use it?

...1. It is an Nvarchar This query fails to match Exact Value That Exists. SELECT TOP 1 * FROM myTable1 WHERE MyCol1 = 'ESKİ' // 0 result using prefix N'' fixes it SELECT TOP 1 * FROM myTable1 WHERE MyCol1 = N'ESKİ' // 1 result - found!!!! Why? Because latin1_general doesn't have big...
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iPhone App Minus App Store?

...w the use of this certificate: Launch Keychain Access.app. With no items selected, from the Keychain menu select Certificate Assistant, then Create a Certificate. Name: iPhone Developer Certificate Type: Code Signing Let me override defaults: Yes Click Continue Validity: 3650 days Click Contin...
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How does Spring autowire by name when more than one matching bean is found?

...o multiple candidates, it is often necessary to have more control over the selection process. One way to accomplish this is with Spring's @Qualifier annotation. This allows for associating qualifier values with specific arguments, narrowing the set of type matches so that a specific bean is chosen f...
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Really Cheap Command-Line Option Parsing in Ruby

...y chairs are in the classroom", :default => 1 p.option :room_number, "select room number", :default => 2, :value_in_set => [1,2,3,4] end.process! Calling the script with -h or --help will print Usage: micro-optparse-example [options] -v, --[no-]verbose turn on verbose...
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Unable to type in Visual Studio

...hange the "Source Control Plug-In" to "None" (Source Control -> Plug-in Selection) Restart Visual Studio Repeat steps 1-3, except re-enable AnkhSVN in step 2 I was able to edit files again after this. share | ...