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Getting the first character of a string with $str[0]

... As of today (10th May'18), a quote from the liked PHP docs: Note: Strings may also be accessed using braces, as in $str{42}, for the same purpose. Seems like this syntax is going to stay for a while. – Fr0zenFyr May...
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Implements vs extends: When to use? What's the difference?

...ns in your profile. If you understand the concept of multiple-inheritance from C++ (referring to classes that inherit characteristics from more than one other class), Java does not allow this, but it does have keyword interface, which is sort of like a pure virtual class in C++. As mentioned by lo...
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What is considered a good response time for a dynamic, personalized web application? [closed]

...includes dynamic content and personalization, what is a good response time from the server (so excluding network latency and browser rendering time)? I'm thinking about sites like Facebook, Amazon, MyYahoo, etc. A related question is what is a good response time for a backend service? ...
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How to get value from form field in django framework?

How do I get values from form fields in the django framework? I want to do this in views, not in templates... 5 Answers ...
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No Persistence provider for EntityManager named

... Apart from this, I also had to move up from hibernate-entitymanager-3.4.0.GA to 3.6.10.Final. Just in case you still have a legacy codebase using Hibernate 3. – Javi Vazquez Sep 17 '15 at 5:37...
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Are there pronounceable names for common Haskell operators? [closed]

...| "such that" | | <- | "is drawn from" | | = | "is defined to be" / "is defined as" | | :: | "has type" / "of type" / "is of type" | | -> | "a function that takes ... and returns a ..." / | |...
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Matplotlib 2 Subplots, 1 Colorbar

...ton's code using the axparameter of figure.colorbar() with a list of axes. From the documentation: ax None | parent axes object(s) from which space for a new colorbar axes will be stolen. If a list of axes is given they will all be resized to make room for the colorbar axes. imp...
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Load image from resources area of project in C#

...d the image using the Properties/Resources UI, you get access to the image from generated code, so you can simply do this: var bmp = new Bitmap(WindowsFormsApplication1.Properties.Resources.myimage); share | ...
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Is it bad practice to use Reflection in Unit testing? [duplicate]

...ublic. Note that using Reflection in general results in code which, apart from being harder to understand and maintain, is also more fragile. There are a whole set of errors which in the normal case would be detected by the compiler, but with Reflection they crop up as runtime exceptions only. Upd...
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iOS: Modal ViewController with transparent background

...one in code, or by setting the properties of the segue in the storyboard. From the UIViewController documentation: UIModalPresentationOverCurrentContext A presentation style where the content is displayed over only the parent view controller’s content. The views beneath the presented ...