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Numpy first occurrence of value greater than existing value
...nce are returned.") and doesn't save another list.
In [2]: N = 10000
In [3]: aa = np.arange(-N,N)
In [4]: timeit np.argmax(aa>N/2)
100000 loops, best of 3: 52.3 us per loop
In [5]: timeit np.where(aa>N/2)[0][0]
10000 loops, best of 3: 141 us per loop
In [6]: timeit np.nonzero(aa>N/2)[0...
Is there type Long in SQLite?
...he SQLite docs
INTEGER. The value is a signed integer, stored in 1, 2, 3, 4, 6, or 8 bytes depending on the magnitude of the value.
Since long is 8 byte and INTEGER can also save values of 8 bytes, you can use INTEGER.
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Reset other branch to current without a checkout
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3 Answers
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Need some clarification about beta/alpha testing on the developer console
The Android developer console has 3 tabs for publishing the app's apk file:
alpha, beta and production, as shown here:
4 An...
Django - what is the difference between render(), render_to_response() and direct_to_template()?
...])
render() is a brand spanking new shortcut for render_to_response in 1.3 that will automatically use RequestContext that I will most definitely be using from now on.
2020 EDIT: It should be noted that render_to_response() was removed in Django 3.0
https://docs.djangoproject.com/en/1.8/topics...
String concatenation in MySQL
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MySQL is different from most DBMSs use of + or || for concatenation. It uses the CONCAT function...
Convert int to string?
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answered Jun 21 '10 at 3:15
Anthony PegramAnthony Pegram
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How do I get out of a screen without typing 'exit'?
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631
Ctrl-a d or Ctrl-a Ctrl-d. See the screen manual # Detach.
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Proper package naming for testing with the Go language
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The fundamental difference between the three strategies you've listed is whether or not the tes...
What is a good regular expression to match a URL? [duplicate]
...[-a-zA-Z0-9()@:%_\+.~#?&//=]*)
To try this out see http://regexr.com?37i6s, or for a version which is less restrictive http://regexr.com/3e6m0.
Example JavaScript implementation:
var expression = /[-a-zA-Z0-9@:%._\+~#=]{1,256}\.[a-zA-Z0-9()]{1,6}\b([-a-zA-Z0-9()@:%_\+.~#?&//=]*)?/gi;...