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Import package.* vs import package.SpecificType [duplicate]
...ld it suppose any difference regarding overhead to write an import loading all the types within one package ( import java.* ); than just a specific type (i.e. import java.lang.ClassLoader )? Would the second one be a more advisable way to use than the other one?
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How does the HyperLogLog algorithm work?
...ently, and one that I came across which appears to be very interesting is called the HyperLogLog algorithm - which estimates how many unique items are in a list.
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Command copy exited with code 4 when building - Visual Studio restart solves it
... found is to use the /C option for xcopy (which continues on error). Not really a solution but mostly it has stopped my builds from failing.
Another solution which only works on 32 bit is to use the unlocker tool to release the windows handles on the file before the copy.
Edit: I've just realise...
How can I measure the similarity between two images? [closed]
...is is just to do the following steps to each image:
scale to something small, like 64x64 or 32x32, disregard aspect ratio, use a combining scaling algorithm instead of nearest pixel
scale the color ranges so that the darkest is black and lightest is white
rotate and flip the image so that the ligh...
Getting “Warning! PATH is not properly set up” when doing rvm use 2.0.0 --default
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I was stuck after I uninstalled rvm with
rvm implode
then after reinstalling rvm it received the same error message.
After looking through wayne seguin's git hub page. He lists tools on his page and recommended using
rvm reset
after an inst...
Why can't I save CSS changes in Firebug? [closed]
...e editing your CSS files. I made the change already for now, but I would really love to have this functionality built into Firebug. :)
[Update 1]
Today I just saw this video: Firefox CSS live edit in Sublimetext (work in progress) Looks promising indeed.
[Update 2]
If you happen to be using Vi...
How to configure git bash command line completion?
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On Linux
on most distributions, git completion script is installed into /etc/bash_completion.d/ (or /usr/share/bash-completion/completions/git) when you install git, no need to go to github. You just need to use it - add this line to your .bashrc:
source /etc/bash_completion.d/git
# o...
Preview an image before it is uploaded
...file (image) before it is uploaded. The preview action should be executed all in the browser without using Ajax to upload the image.
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Import file size limit in PHPMyAdmin
I have changed all the php.ini parameters I know:
upload_max_filesize , post_max_size .
27 Answers
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In what order are Panels the most efficient in terms of render time and performance?
...ates relative to the Canvas area.
The Canvas has the best performance of all the panels for the arrange pass since each item is statically assigned a location. The measure pass also has excellent performance since there is no concept of stretching in this panel; each child simply uses its native ...