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iOS app icon with transparent background showing black background on device
...n my device (iPhone 5) the icon has a black background behind the edges as if it wasn't transparent. Any solutions?
2 Answe...
Formula to determine brightness of RGB color
...more weight to the R and B components):
Y = 0.299 R + 0.587 G + 0.114 B
If you are willing to trade accuracy for perfomance, there are two approximation formulas for this one:
Y = 0.33 R + 0.5 G + 0.16 B
Y = 0.375 R + 0.5 G + 0.125 B
These can be calculated quickly as
Y = (R+R+B+G+G+G)/6
Y...
How to set proxy for wget?
...proxy.yoyodyne.com:18023/
#ftp_proxy = http://proxy.yoyodyne.com:18023/
# If you do not want to use proxy at all, set this to off.
#use_proxy = on
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Joining two lists together
If I have two lists of type string (or any other type), what is a quick way of joining the two lists?
15 Answers
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How to get thread id from a thread pool?
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Are Java thread IDs guaranteed to be contiguous? If not, your modulo won't work correctly.
– Brian Gordon
Sep 19 '15 at 0:34
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How do I query using fields inside the new PostgreSQL JSON datatype?
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@ErwinBrandstetter if i'm looking for WHERE elem->>'correct' = 'TRUE'; and the JSON looks like this: "correct":"TRUE", what is the right way to query logical terms?
– Shiraj
Jan 18 '17 at 23:19
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Capturing multiple line output into a Bash variable
...how is what you get from:
echo $RESULT
As noted in the comments, the difference is that (1) the double-quoted version of the variable (echo "$RESULT") preserves internal spacing of the value exactly as it is represented in the variable — newlines, tabs, multiple blanks and all — whereas (2)...
How to get href value using jQuery?
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It works... Tested in IE8 (don't forget to allow javascript to run if you're testing the file from your computer) and chrome.
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how to remove only one style property with jquery
...t setting the style property to the empty string will remove that property if it does not reside in a stylesheet:
Setting the value of a style property
to an empty string — e.g.
$('#mydiv').css('color', '') — removes
that property from an element if it
has already been directly appli...
Warning on “diff.renamelimit variable” when doing git push
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The documentation doesn't mention 0 as a special value for diff.renamelimit.
So you should set that limit to the value recommended.
Or you can try deactivating the rename detection altogether. (git config diff.renames 0)
You will find a similar example in this blog post "Confluence,...