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Abstract Class vs Interface in C++ [duplicate]
...an abstract class that initializes OpenGL, sets up the window environment, etc. and then you can derive from this class and implement custom code for e.g. the rendering process and handling user input:
// Abstract class for an OpenGL app.
// Creates rendering window, initializes OpenGL;
// client ...
How does Haskell printf work?
...(). For this, we have the instance
instance PrintfType (IO ())
Next, in order to support a variable number of arguments, we need to use recursion at the instance level. In particular we need an instance so that if r is a PrintfType, a function type x -> r is also a PrintfType.
-- instance Pri...
How to import an excel file in to a MySQL database
...ntains sensitive data (e.g. user emails, passwords, cc info, medical info, etc) it may not be a good idea. This site may not store your data and it may be secure, but there's no way for you to know that for sure.
– Chris Schmitz
Aug 2 '16 at 15:46
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Xcode 4, Core Data Model Version - Set Current Version
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A little off topic, but if you've reached this question in order to know how to create a first new version of your model (like i did) :
click on the xcdatamodel file >> Menu "Editor" >> Add Model version
This will initiate the versionning of the model.
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Unsafe JavaScript attempt to access frame with URL
...ts = file_get_contents($url);
echo $contents;
The HTML
<iframe frameborder="1" id="frametest" src="/remoteInclude.php?url=REMOTE_URL_HERE"></iframe>
<script>
$("#frametest").load(function (){
var contents =$("#frametest").contents();
});
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csv.Error: iterator should return strings, not bytes
... updating to 3.6.2, I had to remove all 'rb' parameters from open calls in order to fix this csv reading error.
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How to create a library project in Android Studio and an application project that uses the library p
... modules. Modules can be runnable applications or library modules.
So, in order to add a new android library project to you need to create a module of type "Android library". Then add this library module to the dependency list of your main module (Application module).
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Maven Snapshot Repository vs Release Repository
...s. Released artifacts are considered to be solid, stable, and perpetual in order to guarantee that builds which depend upon them are repeatable over time. Released JAR artifacts are associated with PGP signatures and checksums verify both the authenticity and integrity of the binary software artifac...
Create boolean column in MySQL with false as default value?
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Convert all strings in a list to int
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