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Lambda function in list comprehensions
... calls it ten times.
The second one doesn't call the function. It creates 10 different lambda functions. It puts all of those in a list. To make it equivalent to the first you need:
[(lambda x: x*x)(x) for x in range(10)]
Or better yet:
[x*x for x in range(10)]
...
PHP sprintf escaping %
...
Escape it with another %:
$stringWithVariables = 'About to deduct 50%% of %s %s from your Top-Up account.';
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Avoiding memory leaks with Scalaz 7 zipWithIndex/group enumeratees
...: Int, n: Int): Process[Task, Array[Int]] =
(Process emit Array.fill(sz)(0)).repeat take n
(streamArrs(1 << 25, 1 << 14).zipWithIndex
pipe process1.chunk(4)
pipe process1.fold(0L) {
(c, vs) => c + vs.map(_._1.length.toLong).sum
}).runLast.run
This should work ...
How to merge two sorted arrays into a sorted array? [closed]
...
Sumit Singh
23k88 gold badges7070 silver badges9797 bronze badges
answered May 11 '11 at 1:19
Greg HewgillGreg Hewgill
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Is it bad practice to return from within a try catch finally block?
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edited Oct 2 '09 at 20:35
answered Jan 16 '09 at 0:38
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How to draw vertical lines on a given plot in matplotlib?
...tual height is plt.axvline
import matplotlib.pyplot as plt
plt.axvline(x=0.22058956)
plt.axvline(x=0.33088437)
plt.axvline(x=2.20589566)
OR
xcoords = [0.22058956, 0.33088437, 2.20589566]
for xc in xcoords:
plt.axvline(x=xc)
You can use many of the keywords available for other plot command...
How to make CSS3 rounded corners hide overflow in Chrome/Opera
...nd even include it to the CSS to save a HTTP request.
#wrapper {
width: 300px; height: 300px;
border-radius: 100px;
overflow: hidden;
position: absolute; /* this breaks the overflow:hidden in Chrome/Opera */
/* this fixes the overflow:hidden in Chrome */
-webkit-mask-image: url(data:image/png;bas...
Generate a Hash from string in Javascript
...perty(String.prototype, 'hashCode', {
value: function() {
var hash = 0, i, chr;
for (i = 0; i < this.length; i++) {
chr = this.charCodeAt(i);
hash = ((hash << 5) - hash) + chr;
hash |= 0; // Convert to 32bit integer
}
return hash;
}
});
Source:
htt...
Why is UnhandledExceptionEventArgs.ExceptionObject an object and not an Exception?
... be null, it may not in fact be a System.Exception.
See CLI spec section 10.5 (specifically CLS rule 40) for more details
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showDialog deprecated. What's the alternative?
... over AlertDialog
How to solve?
http://android-developers.blogspot.in/2012/05/using-dialogfragments.html
More
http://developer.android.com/guide/topics/fundamentals/fragments.html
http://developer.android.com/training/basics/fragments/index.html
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