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What is “lifting” in Scala?
...gt;
scala> res1(-1)
res2: Option[Boolean] = None
scala> res1(1)
res3: Option[Boolean] = Some(false)
Methods
You can "lift" a method invocation into a function. This is called eta-expansion (thanks to Ben James for this). So for example:
scala> def times2(i: Int) = i * 2
times2: (i: In...
How to print formatted BigDecimal values?
...s money, and I need to print its value in the browser in a format like $123.00 , $15.50 , $0.33 .
6 Answers
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Make maven's surefire show stacktrace in console
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How does Angular $q.when work?
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113
Calling $q.when takes a promise or any other type, if it is not a promise then it will wrap it i...
Plot smooth line with PyPlot
...to smooth out your data yourself:
from scipy.interpolate import spline
# 300 represents number of points to make between T.min and T.max
xnew = np.linspace(T.min(), T.max(), 300)
power_smooth = spline(T, power, xnew)
plt.plot(xnew,power_smooth)
plt.show()
spline is deprecated in scipy 0...
How to select an element by classname using jqLite?
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swift case falling through
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370
Yes. You can do so as follows:
var testVal = "hello"
var result = 0
switch testVal {
case "o...
Autowiring two beans implementing same interface - how to set default bean to autowire?
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134
I'd suggest marking the Hibernate DAO class with @Primary, i.e. (assuming you used @Repository ...
Why does the JavaScript need to start with “;”?
...
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What do the python file extensions, .pyc .pyd .pyo stand for?
...ater easier (and faster).
.pyo: This was a file format used before Python 3.5 for *.pyc files that were created with optimizations (-O) flag. (see the note below)
.pyd: This is basically a windows dll file. http://docs.python.org/faq/windows.html#is-a-pyd-file-the-same-as-a-dll
Also for some furt...