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How do I use prepared statements in SQlite in Android?
...ring(2, stringValue + i);
statement.executeInsert();
}
db.setTransactionSuccessful(); // This commits the transaction if there were no exceptions
} catch (Exception e) {
Log.w("Exception:", e);
} finally {
db.endTransaction();
}
Check out these links for some more good in...
iPhone SDK: what is the difference between loadView and viewDidLoad?
... up with an infinite stack trace
Don't read self.view in -loadView. Only set it, don't get it.
The self.view property accessor calls -loadView if the view isn't currently loaded. There's your infinite recursion.
The usual way to build the view programmatically in -loadView, as demonstrated in Ap...
How can I read a text file without locking it?
...
Explicit set up the sharing mode while reading the text file.
using (FileStream fs = new FileStream(logFilePath,
FileMode.Open,
FileAccess.Read,
...
Where do gems install?
...ots of files, but they usually have a "initialize" or "install" option for setting up the gem.
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React.js: Wrapping one component into another
...xample:
const Counter = () => (
<State initial={0}>
{(val, set) => (
<div onClick={() => set(val + 1)}>
clicked {val} times
</div>
)}
</State>
);
You can get even more fancy and even provide an object
<Promise promise={somePr...
Best Way to read rss feed in .net Using C#
...
}
public class FeedItem {
public string Title {
get;
set;
}
public string Link {
get;
set;
}
}
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delete a.x vs a.x = undefined
...
They are not equivalent. The main difference is that setting
a.x = undefined
means that a.hasOwnProperty("x") will still return true, and therefore, it will still show up in a for in loop, and in Object.keys()
delete a.x
means that a.hasOwnProperty("x") will return false
...
For homebrew mysql installs, where's my.cnf?
...re is no my.cnf by default. As such, MySQL starts with all of the default settings. If you want to create your own my.cnf to override any defaults, place it at /etc/my.cnf.
Also, you can run mysql --help and look through it for the conf locations listed.
Default options are read from the followi...
RuntimeWarning: invalid value encountered in divide
... and don't want it to bother you, then you can try:
import numpy as np
np.seterr(divide='ignore', invalid='ignore')
For more details see:
http://docs.scipy.org/doc/numpy/reference/generated/numpy.seterr.html
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Check for internet connection availability in Swift
...s article which shows a simple method to check for network availability. I set out to translate this to Swift. I hit many snags but thanks to Martin R from StackOverflow, I managed to resolve them and finally get a workable solution in Swift. Here is the code.
import Foundation
import SystemConfigu...