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iPhone SDK: what is the difference between loadView and viewDidLoad?
...TableViewController etc, though. However! Any post-load setup (e.g. adding extra subviews) should be done in viewDidLoad.
– Ivan Vučica
Mar 10 '11 at 19:44
...
Attempt to set a non-property-list object as an NSUserDefaults
...hods doesn't help. You can only store things like NSArray, NSDictionary, NSString, NSData, NSNumber, and NSDate in NSUserDefaults.
You need to convert the object to NSData (like you have in some of the code) and store that NSData in NSUserDefaults. You can even store an NSArray of NSData if you nee...
Iterate over object keys in node.js
...d normally do {add = add.substr(0, level)} of a precreated multi-tab [add] string here, but Sublime keeps replacing with spaces, even with the ["translate_tabs_to_spaces": false] setting!!! (angry)
add += "\t";
}
for (var i = 0; i < len; i++)
{
prop = obj[keys[i]];
...
Best way to get identity of inserted row?
...serted in the SQL code you sent to the database. If triggers go and create extra rows, they won't cause the wrong value to get returned. Hooray
IDENT_CURRENT returns the last ID that was inserted by anyone. If some other app happens to insert another row at an unforunate time, you'll get the ID of ...
JavaScript variables declare outside or inside loop?
...eep both vars, keeping all the related code together, instead of having an extra, easily-forgotten bit of code at the top of the function.
Personally I tend to declare as var the first assignment of a variable in an independent section of code, whether or not there's another separate usage of the s...
Facebook Graph API, how to get users email?
...o this if you are using Facebook connect by passing scope=email in the get string of your call to the Auth Dialog.
I'd recommend using an SDK instead of file_get_contents as it makes it far easier to perform the Oauth authentication.
...
How to implement a tree data-structure in Java? [closed]
...t; children;
}
}
That is a basic tree structure that can be used for String or any other object. It is fairly easy to implement simple trees to do what you need.
All you need to add are methods for add to, removing from, traversing, and constructors. The Node is the basic building block of ...
Why are Docker container images so large?
...in the Dockerfile writes a new layer in the image and every layer requires extra space on disk. In order to keep the number layers to a minimum, any file manipulation like install, moving, extracting, removing, etc, should ideally be made under a single RUN instruction
FROM fedora:latest
RUN yum -y...
How do I programmatically determine operating system in Java?
...find this code useful:
class ShowProperties {
public static void main(String[] args) {
System.getProperties().list(System.out);
}
}
All it does is print out all the properties provided by your Java implementations. It'll give you an idea of what you can find out about your Java en...
Get free disk space
...
this works for me...
using System.IO;
private long GetTotalFreeSpace(string driveName)
{
foreach (DriveInfo drive in DriveInfo.GetDrives())
{
if (drive.IsReady && drive.Name == driveName)
{
return drive.TotalFreeSpace;
}
}
return -1;
...