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What's the point of map in Haskell, when there is fmap?
...ap, to a list of values they will produce the same result but that doesn't mean they're meant for the same purpose.
Run a GHCI session (the Glasgow Haskell Compiler Interactive) to query for information about those two functions, then have a look at their implementations and you will discover many ...
Can you get the column names from a SqlDataReader?
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I mean just an east way to get the values in the result set into a list, or perhaps the whole thing to an IEnumerable<dynamic> object.
– Travis Heeter
Jul 27 '15 at 12:54
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Using Transactions or SaveChanges(false) and AcceptAllChanges()?
...ecessary, or you can interrogate the ObjectStateManager if you want.
This means if the transaction actually throws an exception you can compensate, by either re-trying or logging state of each contexts ObjectStateManager somewhere.
See my blog post for more.
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execute function after complete page load
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I'm little bit confuse that what you means by page load completed, "DOM Load" or "Content Load" as well? In a html page load can fire event after two type event.
DOM load: Which ensure the entire DOM tree loaded start to end. But not ensure load the reference ...
How do I pull from a Git repository through an HTTP proxy?
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@MSmith If you had to set https_proxy this means you were using https not http which question is about.
– Piotr Dobrogost
Mar 5 '12 at 15:45
3
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What is the difference between named and positional parameters in Dart?
...arameter in addition we can assign default value for this parameter.
which means no value is passed this default value will be taken.
example:
findVolume(int length, int breath, {int height=10}) {
print('length = $length, breath = $breath, height = $height');
}
findVolume(10,20,height:30);//va...
Difference between len() and .__len__()?
...ething should be a function and not a method code, reasoning that len(a)'s meaning would be clear to beginners but a.len() would not be as clear. When Python started __len__ didn't even exist and len was a special thing that worked with a few types of objects. Whether or not the situation this leave...
Why can I access private variables in the copy constructor?
...let the private data be open to other objects. But access modifiers aren't meant to make data "openly" enough. They are rather meant to make data closed enough for encapsulation. (In terms of convenience it would be even better if private variables where public!) I updated my answer with a section w...
Brew update failed: untracked working tree files would be overwritten by merge
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It means your permissions are screwed. One way would be to run sudo git reset --hard, other and a better way would be to fix permissions and do chown -R <your_username> $(brew --prefix)/.git
– favoret...
Select elements by attribute
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Do you mean can you select them? If so, then yes:
$(":checkbox[myattr]")
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