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How to add new item to hash
I'm new to Ruby and don't know how to add new item to already existing hash. For example, first I construct hash:
7 Answers...
How can I make a div stick to the top of the screen once it's been scrolled to?
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your edit does indeed fill the needs of the question now but you still have a problem when the page scrolls back to the top again. you could after reaching the element scrollTop store it somewhere, and when the page hits that position again (when scrolling upwards) change the ...
How to serialize SqlAlchemy result to JSON?
...n json.JSONEncoder.default(self, obj)
return AlchemyEncoder
You can now call it with:
print json.dumps(e, cls=new_alchemy_encoder(False, ['parents']), check_circular=False)
To only expand SQLAlchemy fields called 'parents', for example.
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How to bind to a PasswordBox in MVVM
...other client machine text. Don't keep clear text passwords in memory.
I know this breaks the MVVM pattern, but you shouldn't ever bind to PasswordBox.Password Attached DP, store your password in the ViewModel or any other similar shenanigans.
If you're looking for an over-architected solution, he...
How to loop through all enum values in C#? [duplicate]
...nt that brings me back to my old answer, and I think I'd do it differently now. These days I'd write:
private static IEnumerable<T> GetEnumValues<T>()
{
// Can't use type constraints on value types, so have to do check like this
if (typeof(T).BaseType != typeof(Enum))
{
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How can I change an element's class with JavaScript?
... Wow, three years and 183 upvotes and nobody spotted that until now. Thanks jinglesthula, I've corrected the regex so it wont incorrectly remove parts of class names. // I guess this is a good example of why a Framework (like jQuery) is worth using - bugs like this are caught and fixed so...
What is the appropriate HTTP status code response for a general unsuccessful request (not an error)?
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I know this question is old, but I came up with the very same question today. If my user runs out of credits, what status code should my REST API return?
I tend to lean towards 402 Payment Required:
According to Wikipedia:
Rese...
How to detect DIV's dimension changed?
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@jake, IE11 support is now implemented.
– Marc J. Schmidt
Sep 8 '14 at 12:25
16
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How does one generate a random number in Apple's Swift language?
...n one's own program? Or is there a library that does this that we can use now?
25 Answers
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What's the _ underscore representative of in Swift References?
...ction without an external name.
Update for Swift 2.0
Function and method now work the same way in terms of local and external argument name declaration.
Functions are now called by using external parameter name by default, starting at 2nd parameter. This rule only applies to pure Swift code.
So,...