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Replace all elements of Python NumPy Array that are greater than some value
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I think both the fastest and most concise way to do this is to use NumPy's built-in Fancy indexing. If you have an ndarray named arr, you can replace all elements >255 with a value x as follows:
arr[arr > 255] = x
I ran this on my machi...
Get size of folder or file
...O api method is about 4 to 5 times faster compared to the commons-io code (tested on a folder with many subfolders for a total of 180229 files). Commons IO took 15 seconds, NIO took 5 seconds.
– Wim Deblauwe
Sep 25 '15 at 12:53
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~x + ~y == ~(x + y) is always false?
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Hint:
x + ~x = -1 (mod 2n)
Assuming the goal of the question is testing your math (rather than your read-the-C-specifications skills), this should get you to the answer.
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Using HTML in Express instead of Jade
...en that people recommended app.register() which is now deprecated in the latest version.
13 Answers
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unobtrusive validation not working with dynamic content
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test this:
if ($.validator.unobtrusive != undefined) {
$.validator.unobtrusive.parse("form");
}
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Why does Stream not implement Iterable?
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@TagirValeev I tested it again in IntelliJ. It appears that IntelliJ sometimes gets confused by this syntax; I haven't really found a pattern to it. However, the code compiles fine, and IntelliJ removes the error notice after compiling. ...
How do I edit /etc/sudoers from a script?
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need to use lockfile instead of test/touch
– n-alexander
Nov 28 '08 at 12:30
2
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How to create a tag with Javascript?
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Try adding the style element to the head rather than the body.
This was tested in IE (7-9), Firefox, Opera and Chrome:
var css = 'h1 { background: red; }',
head = document.head || document.getElementsByTagName('head')[0],
style = document.createElement('style');
head.appendChild(style);...
Download single files from GitHub
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Note for posterity: I just tested it and using raw works fine for binary files.
– emmby
Dec 23 '12 at 17:11
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'Missing contentDescription attribute on image' in XML
...s accessible with a directional
controller, such as a trackball or D-pad.
Test your application by turning on accessibility services like TalkBack
and Explore by Touch,
and try using your application using only directional controls.
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