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Numpy where function multiple conditions
... change your two criteria to one criterion:
dists[abs(dists - r - dr/2.) <= dr/2.]
It only creates one boolean array, and in my opinion is easier to read because it says, is dist within a dr or r? (Though I'd redefine r to be the center of your region of interest instead of the beginning, so r...
How to log SQL statements in Grails
...og both where clause parameters and column values extracted from query result sets. To log only where clause parameters, use trace 'org.hibernate.type.BasicBinder'
– GreenGiant
Aug 12 '15 at 14:13
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How to drive C#, C++ or Java compiler to compute 1+2+3+…+1000 at compile time?
...drive the compiler to compute this sum while compilation and print the result when compilation completes. As a hint, he told me that I may use generics and pre-processor features of the compiler. It is possible to use C++, C# or Java compiler. Any ideas???
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Can I change the Android startActivity() transition animation?
..., in the new activity, run another animation. See this code:
fadein.xml
<set xmlns:android="http://schemas.android.com/apk/res/android"
android:fillAfter="true">
<alpha android:fromAlpha="1.0"
android:toAlpha="0.0"
android:duration="500"/> //Time in ...
How to apply two CSS classes to a single element
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1) Use multiple classes inside the class attribute, separated by whitespace (ref):
<a class="c1 c2">aa</a>
2) To target elements that contain all of the specified classes, use this CSS selector (no space) (ref):
.c1.c2...
Inputting a default image in case the src attribute of an html is not valid?
Is there any way to render a default image in an HTML <img> tag, in case the src attribute is invalid (using only HTML)? If not, what would be your lightweight way to work around it?
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Is it better to use Enumerable.Empty() as opposed to new List() to initialize an IEnumerable
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I think Enumerable.Empty<T> is better because it is more explicit: your code clearly indicates your intentions. It might also be a bit more efficient, but that's only a secondary advantage.
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How comment a JSP expression?
How can I comment a JSP expression like: <%= map.size() %>
7 Answers
7
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How to Parse Command Line Arguments in C++? [duplicate]
... answered May 14 '09 at 20:49
ultramanultraman
14
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Does Python support short-circuiting?
...cs; they evaluate each element of a sequence in-order, until finding a result that allows an early exit in the evaluation. Consider examples below to understand both.
The function any() checks if any element is True. It stops executing as soon as a True is encountered and returns True.
>>&...