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How to install trusted CA certificate on Android device?

I have created my own CA certificate and now I want to install it on my Android Froyo device (HTC Desire Z), so that the device trusts my certificate. ...
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ValueError: setting an array element with a sequence

...ur edit. If you really want to have a NumPy array containing both strings and floats, you could use the dtype object, which enables the array to hold arbitrary Python objects: numpy.array([1.2, "abc"], dtype=object) Without knowing what your code shall accomplish, I can't judge if this is what y...
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Real world use cases of bitwise operators [closed]

...ets Always involves checksums, parity, stop bits, flow control algorithms, and so on, which usually depend on the logic values of individual bytes as opposed to numeric values, since the medium may only be capable of transmitting one bit at a time. Compression, Encryption Both of these are heavily d...
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Get nth character of a string in Swift programming language

...tion: Please see Leo Dabus' answer for a proper implementation for Swift 4 and Swift 5. Swift 4 or later The Substring type was introduced in Swift 4 to make substrings faster and more efficient by sharing storage with the original string, so that's what the subscript functions should return. Try...
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Session variables in ASP.NET MVC

...lem is that I need this object to be accessed from any part of the website and I don't really know the best way to accomplish this. I know that one solution is to use session variables but I don't know how to use them in asp .net MVC. And where would I declare a session variable? Is there any other ...
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How do I view the list of functions a Linux shared library is exporting?

... What you need is nm and its -D option: $ nm -D /usr/lib/libopenal.so.1 . . . 00012ea0 T alcSetThreadContext 000140f0 T alcSuspendContext U atanf U calloc . . . Exported sumbols are indicated by a T. Required symbols that mus...
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How to check Django version

I have to use Python and Django for our application. So I have two versions of Python, 2.6 and 2.7. Now I have installed Django. I could run the sample application for testing Django succesfuly. But how do I make sure whether Django uses the 2.6 or 2.7 version and what version of modules Django ...
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What Makes a Good Unit Test? [closed]

I'm sure most of you are writing lots of automated tests and that you also have run into some common pitfalls when unit testing. ...
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Difference between DirectCast() and CType() in VB.NET

.../C++/C# programmer who has just gotten into VB.NET. I generally use CType (and CInt, CBool, CStr) for casts because it is fewer characters and was the first way of casting which I was exposed to, but I am aware of DirectCast and TryCast as well. ...
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How do I check if an array includes a value in JavaScript?

What is the most concise and efficient way to find out if a JavaScript array contains a value? 54 Answers ...