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What does {0} mean when initializing an object?
...cted non-static data members, no base classes, and no virtual functions.
Now, using {0} to initialize an aggregate like this is basically a trick to 0 the entire thing. This is because when using aggregate initialization you don't have to specify all the members and the spec requires that all uns...
How to rollback just one step using rake db:migrate
... step, I think using VERSION=n is the right way to do that, but I don't know the correct value of n to use. Is there any command to check the current n value?
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Programmatically get own phone number in iOS
...tion in the file system. This restriction is part of the security feature known as the application's "sandbox." The sandbox is a set of fine-grained controls limiting an application's access to files, preferences, network resources, hardware, and so on."
The device's phone number is not available w...
How do I make a reference to a figure in markdown using pandoc?
.... an extension to pandoc markdown syntax to allow identifiers for pictures now finally is under way. stay tuned :)
– Susanne Oberhauser
Dec 8 '14 at 15:37
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Listing only directories using ls in Bash?
...
Alright thanks, I checked for that just now and it turns out that the only directory is the root folder.
– ytpillai
Jul 1 '15 at 0:29
1
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Manipulating an Access database from Java without ODBC
...at is done the project should look something like this:
That's it!
Now "U Can Access" data in .accdb and .mdb files using code like this
// assumes...
// import java.sql.*;
Connection conn=DriverManager.getConnection(
"jdbc:ucanaccess://C:/__tmp/test/zzz.accdb");
Statement s = c...
Custom UITableViewCell from nib in Swift
...r custom cell in your .xib file. Have a look at this video if you need to know more about Auto layout.
– Imanou Petit
Aug 28 '14 at 12:29
2
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Cannot get to $rootScope
...
Thanks, it makes perfect sense, but how did you know that? Was it in the docs?
– Malvolio
May 7 '12 at 21:55
143
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Assigning default value while creating migration file
...the generated file to add a column to a model Tweet with datatype integer. Now I want to add default value to the added column while generating the migration file. Is that possible? I googled it but couldn't find. Guys need help.
...
Sending websocket ping/pong frame from browser
...was a recommended practice when user-agents were frequently refreshed. But now many websites are designed as SPAs. In this environment it might be quite essential for the client application to regularly ping the server in order to ensure the connection has not been lost.
– Noel...