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How to Implement DOM Data Binding in JavaScript

...ake this work, your object needs to implement the eventListener interface. All that's needed to accomplish this is to give the object a handleEvent() method. That's where the inheritance comes in. MyCtor.prototype.handleEvent = function(event) { switch (event.type) { case "change": th...
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String comparison using '==' vs. 'strcmp()'

... @onur güngör Actually, this does answers the op's question, which is So is there any reason to use strcmp() ?, while Postfuturist's answer doesn't. Oh, hell... no one answer seemed to compile at once the use of strcmp(), the performance of =...
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Convert base class to derived class [duplicate]

Is it possible in C# to explicitly convert a base class object to one of it's derived classes? Currently thinking I have to create a constructor for my derived classes that accept a base class object as a parameter and copy over the property values. I don't really like this idea, so I'd like to avoi...
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Check if table exists and if it doesn't exist, create it in SQL Server 2008

...read, and you don't have to worry about sys.objects vs. sysobjects vs. sys.all_objects vs. sys.tables. Basic form: IF object_id('MyTable') is not null PRINT 'Present!' ELSE PRINT 'Not accounted for' Of course this will show as "Present" if there is any object present with that name. If yo...
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Is there a good Valgrind substitute for Windows?

I was looking into Valgrind to help improve my C coding/debugging when I discovered it is only for Linux - I have no other need or interest in moving my OS to Linux so I was wondering if there is a equally good program for Windows. ...
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NSInvocation for Dummies?

...oncept of messages is central to the objective-c philosophy. Any time you call a method, or access a variable of some object, you are sending it a message. NSInvocation comes in handy when you want to send a message to an object at a different point in time, or send the same message several times. N...
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How to make Java honor the DNS Caching Timeout?

...rkaddress.cache.negative.ttl as System Properties by using the -D flag or calling System.setProperty because these are not System properties - they are Security properties. If you want to use a System property to trigger this behavior (so you can use the -D flag or call System.setProperty), you wil...
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How to copy from CSV file to PostgreSQL table with headers in CSV file?

... @Daniel I understood the user's table already existed and had all the columns they needed and that they wanted to simply ADD data. – G. Cito Jul 28 '14 at 16:16 ...
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Removing white space around a saved image in matplotlib

I need to take an image and save it after some process. The figure looks fine when I display it, but after saving the figure, I got some white space around the saved image. I have tried the 'tight' option for savefig method, did not work either. The code: ...
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Copy array by value

...5]; let newArray = oldArray.slice(); console.log({newArray}); Basically, the slice() operation clones the array and returns a reference to a new array. Also note that: For references, strings and numbers (and not the actual object), slice() copies object references into the new array. Both t...