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How to get image height and width using java?
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Here is something very simple and handy.
BufferedImage bimg = ImageIO.read(new File(filename));
int width = bimg.getWidth();
int height = bimg.getHeight();
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grant remote access of MySQL database from any IP address
... The trick when connecting to a db instance running on the same OS instance (e.g. your development machine), is to pass in the -h my_machine_name parameter. This tricks the client to identify you as 'user'@my_machine_name.example.com, rather than 'user'@localhost. This way you don't ...
Performance - Date.now() vs Date.getTime()
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These things are the same (edit semantically; performance is a little better with .now()):
var t1 = Date.now();
var t2 = new Date().getTime();
However, the time value from any already-created Date instance is frozen at the time of its constructi...
How to import local packages without gopath
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Go dependency management summary:
vgo if your go version is: x >= go 1.11
dep or vendor if your go version is: go 1.6 >= x < go 1.11
Manually if your go version is: x < go 1.6
Edit 3: Go 1.11 has a feature vgo which will replac...
is it possible to evenly distribute buttons across the width of an android linearlayout
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Why does viewWillAppear not get called when an app comes back from the background?
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The method viewWillAppear should be taken in the context of what is going on in your own application, and not in the context of your application being placed in the foreground when you switch back to it from another app.
In othe...
How to encode URL parameters?
I am trying to pass parameters to a URL which looks like this:
4 Answers
4
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ReactJS state vs prop
...o how to structure a ReactJS component as complexity grows and could use some direction.
6 Answers
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Unable to hide welcome screen in Emacs
I want to hide the welcome screen.
6 Answers
6
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Print a string as hex bytes?
...transform your string to a int generator, apply hex formatting for each element and intercalate with separator:
>>> s = "Hello world !!"
>>> ":".join("{:02x}".format(ord(c)) for c in s)
'48:65:6c:6c:6f:20:77:6f:72:6c:64:20:21:21
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