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When to use Comparable and Comparator
...ake them implement Comparable.
when you want comparing behaviour different from the default (which is specified by Comparable) behaviour.
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How to pass objects to functions in C++?
... optional value should not be modified)
There are other small deviations from these rules, the first of which is handling ownership of an object. When an object is dynamically allocated with new, it must be deallocated with delete (or the [] versions thereof). The object or function that is respon...
How to convert an array of strings to an array of floats in numpy?
...
If you have (or create) a single string, you can use np.fromstring:
import numpy as np
x = ["1.1", "2.2", "3.2"]
x = ','.join(x)
x = np.fromstring( x, dtype=np.float, sep=',' )
Note, x = ','.join(x) transforms the x array to string '1.1, 2.2, 3.2'. If you read a line from a txt...
How to compare two strings in dot separated version format in Bash?
... I got it working in a script in Ubuntu precise by removing -e from echo.
– Hannes R.
Mar 31 '14 at 12:38
2
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How can I get the current screen orientation?
...TRAIT and ORIENTATION_LANDSCAPE. Is there a way to get all the four values from ActivityInfo? (That is LANDSCAPE_REVERSE and PORTRAIT_REVERSE as well)
– HRJ
May 4 '11 at 9:56
18
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Why can't I use a list as a dict key in python?
...pected behavior. Lists are generally treated as if their value was derived from their content's values, for instance when checking (in-)equality. Many would - understandably - expect that you can use any list [1, 2] to get the same key, where you'd have to keep around exactly the same list object. B...
How to find the sum of an array of numbers
...[1,2,3].join('+'))
)
//This way is dangerous if the array is built
// from user input as it may be exploited eg:
eval([1,"2;alert('Malicious code!')"].join('+'))
Of course displaying an alert isn't the worst thing that could happen. The only reason I have included this is as an answe...
Converting milliseconds to a date (jQuery/JavaScript)
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The OP was about converting from a number of milliseconds to a Date object, which is what the second line does. The first line is just a way of getting a sensible number of milliseconds. You could also just do var date = new Date(0);.
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iPad Safari scrolling causes HTML elements to disappear and reappear with a delay
...n case anyone is experiencing the same weirdness as me--slightly different from what is described on this page--I found that using $(window).width() instead of window.innerWidth in jQuery made all the difference for iOS. Who knows.
– cbmtrx
Nov 10 '15 at 19:17
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File is universal (three slices), but it does not contain a(n) ARMv7-s slice error for static librar
... case, use menu Project -> Build Settings -> remove the architecture from "valid architectures".
You can use this as a temporary solution until the library has been updated. You have to remove the architecture from your main project, not from the library.
Alternatively, you can set the flag ...