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How to add new column to MYSQL table?
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How can i name the column whatever name i type into a textbox?
– Steven Trainor
Apr 19 '13 at 21:43
1
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There is no ViewData item of type 'IEnumerable' that has the key 'xxx'
...'t specify the 2nd parameter which in this case is the source SelectList.
What happened with my error was:
Because the table containing the drop down lists was in a partial view and the ViewData had been changed and no longer contained the SelectList I had referenced, the HtmlHelper (instead of t...
How do I get an element to scroll into view, using jQuery?
...To plugin. Here's a demo.
This plugin has a lot of options that go beyond what native scrollIntoView offers you. For instance, you can set the scrolling to be smooth, and then set a callback for when the scrolling finishes.
You can also have a look at all the JQuery plugins tagged with "scroll".
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Validating URL in Java
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@AlexAverbuch: can you please outline what the issues are with UrlValidator? It's not very helpful to just say they exist but not say what they are.
– cdmckay
May 13 '15 at 19:56
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Getting a map() to return a list in Python 3.x
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What was wrong with the old map? Maybe with a new name (lmap?) if the new default is to return an iterator?
– Giorgio
Oct 26 '18 at 20:04
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What's the difference between Ruby's dup and clone methods?
...d clone methods on my ActiveRecord object, i am getting reverse results of what you have mentioned in the answer. which means when i am using dup, it creates a new object with it's id being set and while using clone it creates an object without it's id being set. can you please look into it again an...
When can I use a forward declaration?
... the type.
Assuming the following forward declaration.
class X;
Here's what you can and cannot do.
What you can do with an incomplete type:
Declare a member to be a pointer or a reference to the incomplete type:
class Foo {
X *p;
X &r;
};
Declare functions or methods which accep...
View's getWidth() and getHeight() returns 0
...t been sized and laid out on the screen yet.
I doubt you want to be doing what you are doing, anyway -- widgets being animated do not change their clickable areas, and so the button will still respond to clicks in the original orientation regardless of how it has rotated.
That being said, you can ...
Why is AJAX returning HTTP status code 0?
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i have errors because of 'cross-site scripting'; what should i do?
– user3631755
Oct 8 '17 at 10:12
1
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Check whether a variable is a string in Ruby
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What makes kind_of more general? They appear to be synonymous: is_a.
– davidchambers
Oct 13 '11 at 4:29
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