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Semi-transparent color layer over background-image?
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Of course you need to define a width and height to the .background class, if there are no other elements inside of it
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Get average color of image via Javascript
...= -4,
length,
rgb = {r:0,g:0,b:0},
count = 0;
if (!context) {
return defaultRGB;
}
height = canvas.height = imgEl.naturalHeight || imgEl.offsetHeight || imgEl.height;
width = canvas.width = imgEl.naturalWidth || imgEl.offsetWidth || imgEl.width;
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How to properly handle a gzipped page when using curl?
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curl will automatically decompress the response if you set the --compressed flag:
curl --compressed "http://example.com"
--compressed
(HTTP) Request a compressed response using one of the algorithms libcurl supports, and save the uncompressed document. If this ...
How to prevent UINavigationBar from covering top of view in iOS 7?
...r updating to Xcode 5, the navigation bars in all of my app's views have shifted down. Here are some screenshots, the first showing everything in the view as it's pulled down, and the second showing all of it untouched. The search bar should begin where the navigation bar.
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Error “initializer element is not constant” when trying to initialize variable with const
...t expressions.
A "large" object is never a constant expression in C, even if the object is declared as const.
Moreover, in C language, the term "constant" refers to literal constants (like 1, 'a', 0xFF and so on), enum members, and results of such operators as sizeof. Const-qualified objects (of ...
Returning redirect as response to XHR request
What happens if the browser receives a redirect response to an ajax request?
2 Answers
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`find -name` pattern that matches multiple patterns
...cally, which isn't that easy.
Are you using bash (or Cygwin on Windows)? If you are, you should be able to do this:
ls **/*.py **/*.html
which might be easier to build programmatically.
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From Arraylist to Array
I want to know if it is safe/advisable to convert from ArrayList to Array?
I have a text file with each line a string:
9 An...
How to specify a multi-line shell variable?
... Note that read will have an exit code of 1 in this situation; if that matters (you are running with set -e, for example), you'll want add a || true at the end of the first line.
– chepner
Mar 15 '13 at 12:53
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Pandas dataframe get first row of each group
... first
2 first
3 first
4 second
5 first
6 first
7 fourth
If you need id as column:
>>> df.groupby('id').first().reset_index()
id value
0 1 first
1 2 first
2 3 first
3 4 second
4 5 first
5 6 first
6 7 fourth
To get n first records, you can ...