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How to create a custom-shaped bitmap marker with Android map API v2 [duplicate]
...re I'm using Google Map API v2. I need to show the user location on a map with custom markers.
4 Answers
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How do I remove documents using Node.js Mongoose?
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If you don't feel like iterating, try FBFriendModel.find({ id:333 }).remove( callback ); or FBFriendModel.find({ id:333 }).remove().exec();
mongoose.model.find returns a Query, which has a remove function.
Update for Mongoose v5.5.3 - remove() is...
Select first row in each GROUP BY group?
As the title suggests, I'd like to select the first row of each set of rows grouped with a GROUP BY .
17 Answers
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Why are function pointers and data pointers incompatible in C/C++?
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An architecture doesn't have to store code and data in the same memory. With a Harvard architecture, code and data are stored in completely different memory. Most architectures are Von Neumann architectures with code and data in the...
Using multiple delimiters in awk
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The delimiter can be a regular expression.
awk -F'[/=]' '{print $3 "\t" $5 "\t" $8}' file
Produces:
tc0001 tomcat7.1 demo.example.com
tc0001 tomcat7.2 quest.example.com
tc0001 tomcat7.5 www.example.com
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How do I shuffle an array in Swift?
How do I randomize or shuffle the elements within an array in Swift? For example, if my array consists of 52 playing cards, I want to shuffle the array in order to shuffle the deck.
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Node.js: printing to console without a trailing newline?
Is there a method for printing to the console without a trailing newline? The console object documentation doesn't say anything regarding that:
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Align image in center and middle within div
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margin-right: auto;
display: block;
}
<div id="over" style="position:absolute; width:100%; height:100%">
<img src="http://www.garcard.com/images/garcard_symbol.png">
</div>
JSFiddle
shar...
Using switch statement with a range of value in each case?
In Java, is it possible to write a switch statement where each case contains more than one value? For example (though clearly the following code won't work):
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Cast a Double Variable to Decimal
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You only use the M for a numeric literal, when you cast it's just:
decimal dtot = (decimal)doubleTotal;
Note that a floating point number is not suited to keep an exact value, so if you first add numbers together and then convert to Decimal you may get rou...