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How to properly seed random number generator
...s program should not be run on the Go playground but if you run it on your machine you get a rough estimate on what type of precision you can expect. I see increments of about 1000000 ns, so 1 ms increments. That's 20 bits of entropy that are not used. All the while the high bits are mostly constant...
navigator.geolocation.getCurrentPosition sometimes works sometimes doesn't
...this, at least it works in all current browsers (on Windows, I don't own a Mac):
if (navigator.geolocation) {
var location_timeout = setTimeout("geolocFail()", 10000);
navigator.geolocation.getCurrentPosition(function(position) {
clearTimeout(location_timeout);
var lat = p...
Can't find the PostgreSQL client library (libpq)
I'm trying to install PostgreSQL for Rails on Mac OS X 10.6. First I tried the MacPorts install but that didn't go well so I did the one-click DMG install. That seemed to work.
...
HTML5 Canvas vs. SVG vs. div
...user can drag elements in the diagram around.
What I found was that on my Mac, for very large images, SVG is superior. I have a MacBook Pro 2013 13" Retina, and it runs the fiddle below quite well. The image is 6000x6000 pixels, and has 1000 objects. A similar construction in canvas was impossible...
How do you diff a directory for only files of a specific type?
...
I wish I'd noticed John's comment earlier, but on macOs/bash I came to a similar solution to produce the exclusion file with several patterns to keep: find . -not -name "*.c" -and -not -name "*.h" -and -type f -print0 | xargs -0 basename | grep -E '.*\..+' | sed 's/\./\//g' ...
How to use if - else structure in a batch file?
...%==0 IF %C%==1 (
::copying a directory c from d, /s: boş olanlar hariç, /e:boş olanlar dahil
xcopy "%sourceCopyDirectory%" "%destinationCopyDirectory%" /s/e
)
IF %F%==0 IF %C%==0 (
::moving a directory
xcopy /E "%sourceMoveDirectory%" "%destinationMoveDirectory%"
rd /s /...
Error Dropping Database (Can't rmdir '.test\', errno: 17)
...
I ran into this same issue on a new install of mysql 5.5 on a mac. I tried to drop the test schema and got an errno 17 message. errno 17 is the error returned by some posix os functions indicating that a file exists where it should not. In the data directory, I found a strange file "...
How to change XAMPP apache server port?
This is my Apache httpd.conf settings :
6 Answers
6
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Enter “&” symbol into a text Label in Windows Forms?
...ed Dec 1 '10 at 14:03
Øyvind BråthenØyvind Bråthen
52.2k2525 gold badges113113 silver badges138138 bronze badges
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How do I turn off Oracle password expiration?
... Jul 21 '11 at 13:47
Pedro CarriçoPedro Carriço
3,60822 gold badges1313 silver badges1111 bronze badges
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