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Open and write data to text file using Bash?
How can I write data to a text file automatically by shell scripting in Linux?
11 Answers
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How to remove convexity defects in a Sudoku square?
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I have a solution that works, but you'll have to translate it to OpenCV yourself. It's written in Mathematica.
The first step is to adjust the brightness in the image, by dividing each pixel with the result of a closing operation:
src = ColorConvert[Import["http://dave...
How to convert a char array back to a string?
...ava, even "foo" is actually a String. So the need for splitting a String into individual chars and join them back is not required in normal code.
Compare this to C/C++ where "foo" you have a bundle of chars terminated by a zero byte on one side and string on the other side and many conversions betw...
How to return an array from JNI to Java?
I am attempting to use the android NDK.
4 Answers
4
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Return type of '?:' (ternary conditional operator)
...s, xvalues and prvalues.)
In very broad and simple terms, an lvalue refers to an object in memory and an rvalue is just a value that may not necessarily be attached to an object in memory.
An assignment expression assigns a value to an object so the thing being assigned to must be an lvalue.
For a c...
Android Facebook style slide
... new Facebook application and its navigation is so cool. I was just trying to see how it can be emulated in my application.
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How to use protractor to check if an element is visible?
I'm trying to test if an element is visible using protractor. Here's what the element looks like:
8 Answers
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multiprocessing.Pool: When to use apply, apply_async or map?
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Back in the old days of Python, to call a function with arbitrary arguments, you would use apply:
apply(f,args,kwargs)
apply still exists in Python2.7 though not in Python3, and is generally not used anymore. Nowadays,
f(*args,**kwargs)
is preferred....
How do I simulate a hover with a touch in touch enabled browsers?
...t! It involves changing the CSS slightly and adding some JS.
Using jQuery to make it easy:
$(document).ready(function() {
$('.hover').on('touchstart touchend', function(e) {
e.preventDefault();
$(this).toggleClass('hover_effect');
});
});
In english: when you start or end...
Ways to synchronize interface and implementation comments in C# [closed]
Are there automatic ways to sync comments between an interface and its implementation?
I'm currently documenting them both and wouldn't like to manually keep them in sync.
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