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Understanding the Use of ColorMatrix and ColorMatrixColorFilter to Modify a Drawable's Hue
...op, where the graphic retains its transparency and luminosity, and only modifies the color of the image. For example:
becomes After doing some research, it appears that the ColorMatrixColorFilter class may do what I need, but I can't seem to find any resources pointing to how the matrix is...
how to check the jdk version used to compile a .class file [duplicate]
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Alternatively, if you open the class file in a hex editor you can look at bytes 7 and 8. The number will map to the numbers given in the above answer. E.g. 00 2E -> JDK 1.2 = 46 (0x2E hex). Useful if you don't have access to javap. ref: ...
dynamically add and remove view to viewpager
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Thanks. I also had issues with nested scrollview and now I fixed it as well.
– Filip Luchianenco
Jul 18 '16 at 12:35
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IOS: verify if a point is inside a rect
Is there a way to verify if a CGPoint is inside a specific CGRect .
8 Answers
8
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How to get client's IP address using JavaScript?
...e IP lookup services I could find and the information they return. If you know of any more, then please add a comment and I'll update this answer.
Cloudflare
Try it: https://www.cloudflare.com/cdn-cgi/trace
// If your site is on Cloudflare, then you can use '/cdn-cgi/trace' instead
$.get('https://w...
How to fix “Headers already sent” error in PHP
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No output before sending headers!
Functions that send/modify HTTP headers must be invoked before any output is made.
summary ⇊
Otherwise the call fails:
Warning: Cannot modify header information - headers already sent (output started at script:line)
Some functions modifying...
What are my environment variables? [closed]
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I am not sure if thats what you want, but try printenv
This will show you all your environment variables.
About where they are stored
Linux: where are environment variables stored?
How to set Shell Environment Variables
http://www.code...
Replace all whitespace characters
... +1 for remembering to show that the replace function doesn't modify str, so you have to assign it back.
– FishBasketGordo
Jun 28 '11 at 13:21
1
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Should I use “camel case” or underscores in python? [duplicate]
...nterpreted as one single group of several things). That's even worst for _ if the method name contains a reserved word in it.
– Sebastian Sastre
Mar 19 '15 at 2:15
59
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How to go back to previous opened file in Vim? [duplicate]
... it also works when there is no file name.
And :help alternate-file
If there already was a current file name, then that one becomes the alternate
file name. It can be used with "#" on the command line |:_#| and you can use
the |CTRL-^| command to toggle between the current and the altern...