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What is the maximum length of latitude and longitude? [closed]
...r pixel. One meter resolution can be represented using 5 decimal places so more than 6 decimal places is extraneous for that resolution. The distance between longitudes at the equator is the same as latitude, but the distance between longitudes reaches zero at the poles as the lines of meridian conv...
S3 - Access-Control-Allow-Origin Header
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How do I execute any command editing its file (argument) “in place” using bash?
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Here's a more general approach, works with uniq, sort and whatnot.
{ rm file && uniq > file; } < file
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improv...
Center a popup window on screen?
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Why does Dijkstra's algorithm use decrease-key?
...he priority queue, then indeed Dijkstra's algorithm will be asymptotically more efficient when using decrease-key.
In short, using decrease-key, plus a good priority queue, can drop the asymptotic runtime of Dijkstra's beyond what's possible if you keep doing enqueues and dequeues.
Besides this po...
How do I auto size a UIScrollView to fit its content
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Python: How to create a unique file name?
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@ToloPalmer: It's more likely that your computer's CPU has a processing error that causes it to load the wrong file than it is a generated UUID collides with any existing value. UUID produces a unique name in a model of computing that understa...
rsync exclude according to .gitignore & .hgignore & svn:ignore like --filter=:C
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A more verbose version which also excludes .git files: --exclude='/.git' --filter="dir-merge,- .gitignore"
– VasiliNovikov
Dec 22 '14 at 22:29
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scp or sftp copy multiple files with single command
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PG undefinedtable error relation users does not exist
...ration can't be rolled back,
rake db:reset may not help you. To find out more about dumping the schema see
Schema Dumping and You section. Rails Docs
If the trick doesn't help, drop the database, then re-create it again, migrate data, and if you have seeds, sow the database:
rake db:drop db:c...