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Ruby on Rails: Delete multiple hash keys
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Rails 3.2 on ActiveRecord attributes, had to use strings for the keys? i.e. User.attributes.except("id", "created_at", "updated_at") symbols did not work
– house9
Dec 18 '12 at 18:18
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What are the special dollar sign shell variables?
...nts passed to current script
$* / $@ list of arguments passed to script as string / delimited list
off the top of my head. Google for bash special variables.
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ASP.NET MVC 3: Override “name” attribute with TextBoxFor
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Try EditorFor. you can pass string as template name if you want to make sure textbox is rendered even if property type is not string. If property is string already, it does not need templatename explicitly to render textbox, so you can pass null. Note t...
Error in finding last used cell in Excel with VBA
...down the worksheet
(you should note the difference between blank and empty string!).
Note that:
If your range contains non-contiguous non-blank cells, then it will also give a wrong result.
If there is only one non-blank cell, but it is not the first one, your code will still give you the correc...
Flask-SQLalchemy update a row's information
...:
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(80), unique=True)
data = db.Column(db.PickleType())
def __init__(self, name, data):
self.name = name
self.data = data
def __repr__(self):
return '<User %r>' % self.username
...
Listen for key press in .NET console app
... stop your app, but do your work in a background thread:
static void Main(string[] args)
{
var myWorker = new MyWorker();
myWorker.DoStuff();
Console.WriteLine("Press any key to stop...");
Console.ReadKey();
}
In the myWorker.DoStuff() function you would then invoke another functi...
Non-alphanumeric list order from os.listdir()
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You can use the builtin sorted function to sort the strings however you want. Based on what you describe,
sorted(os.listdir(whatever_directory))
Alternatively, you can use the .sort method of a list:
lst = os.listdir(whatever_directory)
lst.sort()
I think should do the...
Why Collections.sort uses merge sort instead of quicksort?
...ast stable sort that guarantees O(n log n)
performance and requires O(n) extra space. In its day (it was written
in 1997 by Joshua Bloch), it was a fine choice, but today but we can
do much better.
Since 2003, Python's list sort has used an algorithm known as timsort
(after Tim Peters,...
Java: PrintStream to String?
...presentation of that object. How can I capture this function's output in a String? Specifically, I want to use it as in a toString method.
...
Https Connection Android
...erifier DO_NOT_VERIFY = new HostnameVerifier() {
public boolean verify(String hostname, SSLSession session) {
return true;
}
};
/**
* Trust every server - dont check for any certificate
*/
private static void trustAllHosts() {
// Create a trust manager that does not validate c...