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ActiveRecord: List columns in table from console
...ou can just type the model name:
> User
gives:
User(id: integer, name: string, email: string, etc...)
In rails four, you need to establish a connection first:
irb(main):001:0> User
=> User (call 'User.connection' to establish a connection)
irb(main):002:0> User.connection; nil #call ...
What is the most appropriate way to store user settings in Android application
...s(MY_PREFS_FILE_NAME, Context.MODE_PRIVATE) );
// eg.
prefs.edit().putString("foo","bar").commit();
prefs.getString("foo", null);
Here's the code for the class:
/**
* Warning, this gives a false sense of security. If an attacker has enough access to
* acquire your password store, then he ...
Is there a way to automate the android sdk installation?
... a comma-separated list of [platform, tool, platform-tool, doc, sample, extra]
-s --no-https Uses HTTP instead of HTTPS (the default) for downloads
-n --dry-mode Simulates the update but does not download or install anything
If you want to list which packages are available for installation y...
Create tap-able “links” in the NSAttributedString of a UILabel?
...st one is easy. Starting from iOS 6 UILabel supports display of attributed strings. All you need to do is to create and configure an instance of NSMutableAttributedString:
NSMutableAttributedString *attributedString = [[NSMutableAttributedString alloc] initWithString:@"String with a link" attribute...
ADB not recognising Nexus 4 under Windows 7
...d 'Update Driver'
Selected 'Have Disk' and pointed it to [android-sdk-dir]\extras\google
Watched an 'ADB' driver install.
Opened Eclipse to successfully run on my Nexus 4.
Good luck!
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Obtaining a powerset of a set in Java
...
Isn't complexity (n*2^n)? Because binary string is of length n, and in each iteration of the main loop we iterate the entire binary string.
– Maggie
Sep 17 '13 at 5:53
...
JSON: why are forward slashes escaped?
...n embedding JSON in a <script> tag, which doesn't allow </ inside strings, like Seb points out.
Some of Microsoft's ASP.NET Ajax/JSON API's use this loophole to add extra information, e.g., a datetime will be sent as "\/Date(milliseconds)\/". (Yuck)
...
Problem with converting int to string in Linq to entities
...
With EF v4 you can use SqlFunctions.StringConvert. There is no overload for int so you need to cast to a double or a decimal. Your code ends up looking like this:
var items = from c in contacts
select new ListItem
{
Va...
What happened to console.log in IE8?
...ments);
// console.raw captures the raw args, without converting toString
console.raw.push(args);
var message = args.join(' ');
console.messages.push(message);
fallback(message);
};
// redefine console
if (typeof console === 'undefined') {
...
Create a string of variable length, filled with a repeated character
...as been asked by someone else in it's Java form here: Java - Create a new String instance with specified length and filled with specific character. Best solution?
...