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Calculate distance between 2 GPS coordinates
How do I calculate distance between two GPS coordinates (using latitude and longitude)?
29 Answers
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How to position text over an image in css
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How about something like this: http://jsfiddle.net/EgLKV/3/
Its done by using position:absolute and z-index to place the text over the image.
#container {
height: 400px;
width: 400px;
position: relative;
}
#image {
position: absolut...
What does “fragment” mean in ANTLR?
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A fragment is somewhat akin to an inline function: It makes the grammar more readable and easier to maintain.
A fragment will never be counted as a token, it only serves to simplify a grammar.
Consider:
NUMBER: DIGITS | OCTAL_DIGITS ...
How can I pass an argument to a PowerShell script?
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edited Sep 4 '16 at 2:05
ErikE
41.4k1717 gold badg...
Map and Reduce in .NET
...ctions. C# 3.5 and Linq already has it albeit under different names.
Map is Select:
Enumerable.Range(1, 10).Select(x => x + 2);
Reduce is Aggregate:
Enumerable.Range(1, 10).Aggregate(0, (acc, x) => acc + x);
Filter is Where:
Enumerable.Range(1, 10).Where(x => x % 2 == 0);
https://...
How to drop unique in MySQL?
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edited Dec 3 '12 at 7:08
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How to determine total number of open/active connections in ms sql server 2005
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This shows the number of connections per each DB:
SELECT
DB_NAME(dbid) as DBName,
COUNT(dbid) as NumberOfConnections,
loginame as LoginName
FROM
sys.sysprocesses
WHERE
dbid > 0
GROUP BY
dbid, log...
What's the difference between console.dir and console.log?
...even if they have properties. Perhaps the clearest example of a difference is a regular expression:
> console.log(/foo/);
/foo/
> console.dir(/foo/);
* /foo/
global: false
ignoreCase: false
lastIndex: 0
...
You can also see a clear difference with arrays (e.g., console.dir(...
Go install fails with error: no install location for directory xxx outside GOPATH
No matter what structure the project is in this always fails with the same message. Go build works perfectly.
13 Answers
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Build.scala, % and %% symbols meaning
...the right Scala version with %%
If you use groupID %% artifactID % revision instead of groupID % artifactID % revision (the difference is the double %% after the
groupID), SBT will add your project’s Scala version to the artifact
name. This is just a shortcut.
You could write this wi...