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Why return NotImplemented instead of raising NotImplementedError
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It's because __lt__() and related comparison methods are quite commonly used indirectly in list sorts and such. Sometimes the algorithm will choose to try another way or pick a default winner. Raising an exception would break out of the sort unles...
AngularJS performs an OPTIONS HTTP request for a cross-origin resource
...e the asset host which delivers my template files is on a different domain and therefore the XHR request that angular performs must be cross-domain. I've added the appropriate CORS header to my server for the HTTP request to make this work, but it doesn't seem to work. The problem is that when I ins...
Using Font Awesome icon for bullet points, with a single list item element
...ocs specify to do this, it isn't technically the solution to the question, and isn't useful if you're looking to do this without modifying your HTML output.
– Ryan
Sep 1 '14 at 8:05
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How to export plots from matplotlib with transparent background?
I am using matplotlib to make some graphs and unfortunately I cannot export them without the white background.
2 Answers
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Display names of all constraints for a table in Oracle SQL
...ctionary, specifically the USER_CONS_COLUMNS view to see the table columns and corresponding constraints:
SELECT *
FROM user_cons_columns
WHERE table_name = '<your table name>';
FYI, unless you specifically created your table with a lower case name (using double quotes) then the table na...
Readonly Properties in Objective-C?
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Eiko and others gave correct answers.
Here's a simpler way: Directly access the private member variable.
Example
In the header .h file:
@property (strong, nonatomic, readonly) NSString* foo;
In the implementation .m file:
/...
default select option as blank
...n't show up in the list anymore.
Option 2
If you don't want to write CSS and expect the same behaviour of the solution above, just use:
<option hidden disabled selected value> -- select an option -- </option>
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What does “Git push non-fast-forward updates were rejected” mean?
I'm using Git to manage my two computers and my development. I'm trying to commit changes to GitHub and I'm getting the error.
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“new” keyword in Scala
...fferent things
> println(new Foo)
test@5c79cc94
> println(Foo())
7
And, since you mentioned Java classes: yes -- Java classes rarely have
companion objects with an apply method, so you must use new and the actual
class's constructor.
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Add a property to a JavaScript object using a variable as the name?
I'm pulling items out of the DOM with jQuery and want to set a property on an object using the id of the DOM element.
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