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How to find a deleted file in the project commit history?
...e>
Note the caret symbol (^), which gets the checkout prior to the one identified, because at the moment of <SHA> commit the file is deleted, we need to look at the previous commit to get the deleted file's contents
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What's the hardest or most misunderstood aspect of LINQ? [closed]
..., but this example really helped me get a practical grasp of it:
static void Linq_Deferred_Execution_Demo()
{
List<String> items = new List<string> { "Bob", "Alice", "Trent" };
var results = from s in items select s;
Console.WriteLine("Before add:");
foreach (var resul...
rails - Devise - Handling - devise_error_messages
...a stub (though it contains implementation) and that we're supposed to override/replace it. It would have been nice if this was pointed out somewhere in the wiki, which is why i guess there are a few people like us that have been guessing.
So I'm going to try reopening the module and redefine the me...
How to handle initializing and rendering subviews in Backbone.js?
...ause of the lack of assumptions it makes, but it does mean you have to (decide how to) implement things like this yourself. After looking through my own stuff, I find that I (kind of) use a mix of scenario 1 and scenario 2. I don't think a 4th magical scenario exists because, simply enough, everythi...
Check if a row exists, otherwise insert
...row for each flight? If so:
IF EXISTS (SELECT * FROM Bookings WHERE FLightID = @Id)
BEGIN
--UPDATE HERE
END
ELSE
BEGIN
-- INSERT HERE
END
I assume what I said, as your way of doing things can overbook a flight, as it will insert a new row when there are 10 tickets max and you are booking 2...
How do you post to an iframe?
...some clever ninja hack; although it was deprecated (and therefore won't validate) in HTML 4 Strict or XHTML 1 Strict, it's been part of HTML since 3.2, it's formally part of HTML5, and it works in just about every browser since Netscape 3.
I have verified this behaviour as working with XHTML 1 Stri...
How can I convert an image into Base64 string using JavaScript?
...);
var dataURL;
canvas.height = this.naturalHeight;
canvas.width = this.naturalWidth;
ctx.drawImage(this, 0, 0);
dataURL = canvas.toDataURL(outputFormat);
callback(dataURL);
};
img.src = src;
if (img.complete || img.complete === undefined) {
img.src = "dat...
wildcard * in CSS for classes
...ve these divs that I'm styling with .tocolor , but I also need the unique identifier 1,2,3,4 etc. so I'm adding that it as another class tocolor-1 .
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How to store a list in a column of a database table
..., you should create another table that effectively holds the elements of said list and then link to it directly or through a junction table. However, the type of list I want to create will be composed of unique items (unlike the linked question's fruit example). Furthermore, the items in my list...
How do I detect a click outside an element?
...completely when a user clicks on the head of these menus. I would like to hide these elements when the user clicks outside the menus' area.
...