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Animate change of view background color on Android
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You can use new Property Animation Api for color animation:
int colorFrom = getResources().getColor(R.color.red);
int colorTo = getResources().getColor(R.color.blue);
ValueAnimator colorAnimation = ValueAnimator.ofObject(new ArgbEvaluator(), colorFrom, colorTo);
colorAnimation.setDuration(250)...
Cleaner way to update nested structures
.... It turns out that the structure of the zipper is automatically derivable from the original data structure, in a manner that resembles symbolic differentiation of an algebraic expression.
But how does this help you with your Scala case classes? Well, Lukas Rytz recently prototyped an extension to ...
Passing variables to the next middleware using next() in Express.js
Well, my question is I want to pass some variable from the first middleware to another middleware, and I tried doing this, but there was " req.somevariable is a given as 'undefined'".
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How do you round UP a number in Python?
...the function returns a float. If you want an int, you can construct an int from the return value, i.e., int(math.ceil(363))
– R. W. Sinnet
Aug 26 '15 at 23:37
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C++, Free-Store vs Heap
...n one
area cannot be safely deallocated in
the other. Memory allocated from the
heap can be used for objects of class
type by placement-new construction and
explicit destruction. If so used, the
notes about free store object lifetime
apply similarly here.
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Newline in string attribute
...d/or text editor use. For instance, if you write that and commit it to git from a linux systems, everything may seem fine -- but if someone clones it to Windows, git will convert your line endings to \r\n and depending on what your string is for ... you might break the world.
Just be aware of that ...
Allow User to input HTML in ASP.NET MVC - ValidateInput or AllowHtml
...nter252 comments:
You should now use the [AllowHtml] attribute. See below from MSDN:
For ASP.NET MVC 3 applications, when you need to post HTML back to
your model, don’t use ValidateInput(false) to turn off Request
Validation. Simply add [AllowHtml] to your model property, like so:
publi...
What's the difference between lapply and do.call?
...orresponding element of X.
do.call constructs and executes a function call from a name or a function and a list of arguments to be passed to it.
Map applies a function to the corresponding elements of given vectors... Map is a simple wrapper to mapply which does not attempt to simplify the result, s...
Checking Bash exit status of several commands efficiently
...that I use extensively on my Red Hat system. They use the system functions from /etc/init.d/functions to print green [ OK ] and red [FAILED] status indicators.
You can optionally set the $LOG_STEPS variable to a log file name if you want to log which commands fail.
Usage
step "Installing XFS fi...
Comparison between Mockito vs JMockit - why is Mockito voted better than JMockit? [closed]
...have a stable release for over 4 years. jMock 2.6.0 required 2 years to go from RC1 to RC2, and then another 2 years before it actually got released.
Regarding Proxy & CGLIB vs instrumentation:
(EasyMock and jMock) are based on java.lang.reflect.Proxy,
which requires an interface to be
...