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Using comparison operators in Scala's pattern matching system
...i.e. an if and a boolean expression after the pattern:
a match {
case 10 => println("ten")
case x if x > 10 => println("greater than ten")
case _ => println("less than ten")
}
Edit: Note that this is more than superficially different to putting an if after the =>, becau...
Difference between partition key, composite key and clustering key in Cassandra?
...ckoverflow_composite (key_part_one, key_part_two, data) VALUES ('ronaldo', 10, 'ex-football player');
select * from stackoverflow_composite where key_part_one = 'ronaldo';
table content
key_part_one | key_part_two | data
--------------+--------------+--------------------
ronaldo | ...
MySQL indexes - what are the best practices?
...
answered Jun 15 '10 at 22:01
timdevtimdev
55.4k66 gold badges7272 silver badges9090 bronze badges
...
Advantages of std::for_each over for loop
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answered Jan 12 '10 at 11:02
Thomas PetitThomas Petit
11.2k33 gold badges2121 silver badges2424 bronze badges
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Setting different color for each series in scatter plot on matplotlib
...
import matplotlib.pyplot as plt
import matplotlib.cm as cm
x = np.arange(10)
ys = [i+x+(i*x)**2 for i in range(10)]
colors = cm.rainbow(np.linspace(0, 1, len(ys)))
for y, c in zip(ys, colors):
plt.scatter(x, y, color=c)
Or you can make your own colour cycler using itertools.cycle and specif...
Which concurrent Queue implementation should I use in Java?
..., ArrayBlockingQueue is a queue of a fixed size. So if you set the size at 10, and attempt to insert an 11th element, the insert statement will block until another thread removes an element. The fairness issue is what happens if multiple threads try to insert and remove at the same time (in other wo...
Mechanisms for tracking DB schema changes [closed]
...two branches)
– Asaf Mesika
Nov 20 '10 at 15:04
Collisions were very rare; the only thing that happened really is that...
Add alternating row color to SQL Server Reporting services report
...
10
This fails under certain circumstances, particularly in tables and matrix objects with lots of sub-totals. Catch22's response does not hav...
Using jquery to get element's position relative to viewport
...liant. Very useful.
– Jimmy
Oct 18 '10 at 15:25
Out of curiosity, why did you use the "self" property instead of windo...
Is there a method that calculates a factorial in Java?
...|
edited Sep 29 '16 at 13:01
Stephan
36.1k4848 gold badges208208 silver badges299299 bronze badges
answe...