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When to use LinkedList over ArrayList in Java?
...if you add a lot of elements. To avoid the high cost of resizing when you know you're going to add a lot of elements, construct the ArrayList with a higher initial capacity.
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When to make a type non-movable in C++11?
...hich is that it would be very hard to do it safely, because you'd need to know that noone is trying to lock the mutex at the moment it's being moved. Since mutexes are one of the building blocks you can use to prevent data races, it would be unfortunate if they weren't safe against races themselves!...
How to draw a path on a map using kml file?
...(new InputSource(aUrl.openStream()));
/* Our NavigationSaxHandler now provides the parsed data to us. */
navigationDataSet = navSax2Handler.getParsedData();
/* Set the result to be displayed in our GUI. */
Log.d(myapp.APP,"navigationDataSet: "+navigationDataSet.t...
Google Maps API - Get Coordinates of address
...mphitheatre+Parkway,+Mountain+View,+CA
Edit:
Please note that this is now a deprecated method and you must provide your own Google API key to access this data.
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How to check with javascript if connection is local host?
...ple snipped works perfect for me on localhost and production. My software knows weather to serve ads - or not, with 1 simple line of code. Thanks OP.
– Andy
Mar 17 '17 at 20:33
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Is there a command to list all Unix group names? [closed]
I know there is the /etc/group file that lists all users groups.
3 Answers
3
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What's the fastest way to merge/join data.frames in R?
...version.string
# R version 2.15.1 (2012-06-22)
Please note that I don't know plyr well so please do check with Hadley before relying on the plyr timings here. Also note that the data.table do include the time to convert to data.table and set the key, for fareness.
This answer has been updated s...
Exceptions in .gitignore [duplicate]
...nore, except everything in the /modules/custom folder. This worked for me. Now my custom modules will get synced to GitHub.
/modules/*
!/modules/custom/
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How to loop through key/value object in Javascript? [duplicate]
now I want to create a setUsers() method that takes a key/value pair object and initializes the user variable.
3 Answer...
Altering a column to be nullable
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Although I don't know what RDBMS you are using, you probably need to give the whole column specification, not just say that you now want it to be nullable. For example, if it's currently INT NOT NULL, you should issue ALTER TABLE Merchant_Pend...