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How can I detect if a selector returns null?
What is the best way to detect if a jQuery-selector returns an empty object.
If you do:
8 Answers
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How to RedirectToAction in ASP.NET MVC without losing request data
...can go:
public ActionResult Form()
{
/* Declare viewData etc. */
if (TempData["form"] != null)
{
/* Cast TempData["form"] to
System.Collections.Specialized.NameValueCollection
and use it */
}
return View("Form", viewData);
}
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How to get JSON objects value if its name contains dots?
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If json object key/name contains dot......! like
var myJson = {"my.name":"vikas","my.age":27}
Than you can access like
myJson["my.name"]
myJson["my.age"]
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leading zeros in rails
...ve fields hr and min , both integers in my application. For hr field, if the user enters "1" I would like Rails to automatically pad it to "01" before saving it to the database. Also for the min field if the user enter "0" it should put in as "00".
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Checking if a key exists in a JavaScript object?
How do I check if a particular key exists in a JavaScript object or array?
22 Answers
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How would you compare jQuery objects?
So I'm trying to figure out how to compare two jQuery objects, to see if the parent element is the body of a page.
4 Answer...
iOS difference between isKindOfClass and isMemberOfClass
What is the difference between the isKindOfClass:(Class)aClass and the isMemberOfClass:(Class)aClass functions?
I know it is something small like, one is global while the other is an exact class match but I need someone to specify which is which please.
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How can I find the first occurrence of a sub-string in a python string?
So if my string is "the dude is a cool dude".
I'd like to find the first index of 'dude':
5 Answers
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Real world use cases of bitwise operators [closed]
...te is defined by several "yes or no" properties. ACLs are a good example; if you have let's say 4 discrete permissions (read, write, execute, change policy), it's better to store this in 1 byte rather than waste 4. These can be mapped to enumeration types in many languages for added convenience.
C...
What is the difference between a function expression vs declaration in JavaScript? [duplicate]
What is the difference between the following lines of code?
5 Answers
5
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