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How does HTTP file upload work?
...andle multiple input parameters as well, such as userId, path, captionText etc?
– Asle G
Jan 30 '15 at 9:46
1
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What's the point of map in Haskell, when there is fmap?
...l of those which belongs to the functor class (e.g. maybes, tuples, lists, etc.). Since the "list of values" data type is also a functor (because it provides an implementation for it) then fmap can be applied to is as well producing the very same result as map.
map (+3) [1..5]
fmap (+3) (Just 15)
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/etc/apt/sources.list" E212: Can't open file for writing
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change user to root
sodu su -
browse to etc
vi sudoers
look for root user in user priviledge section. you will get it like
root ALL=(ALL:ALL) ALL
make same entry for your user name. if you username is 'myuser' then add
myuser ALL=(ALL:ALL) ALL
it will lo...
How to exclude property from Json Serialization
...s to the class, or if you want to decide what to serialize during runtime, etc. etc. here's how you do it in Newtonsoft.Json
//short helper class to ignore some properties from serialization
public class IgnorePropertiesResolver : DefaultContractResolver
{
private readonly HashSet<string> ...
How to use/install gcc on Mac OS X 10.8 / Xcode 4.4
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or just add it to your /etc/paths file architectryan.com/2012/10/02/…
– Phill Pafford
Jan 14 '14 at 13:16
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Regular cast vs. static_cast vs. dynamic_cast [duplicate]
...d to cast between
the integer types. 'e.g.' char->long, int->short etc.
Static cast is also used to cast pointers to related types, for
example casting void* to the appropriate type.
dynamic_cast
Dynamic cast is used to convert pointers and references at run-time,
generall...
How to make an introduction page with Doxygen
..., using Doxygen. It contains the list of files, namespaces, classes, types etc. - everything that I placed as Doxygen comments in the code. Now I want to write some general information about SDK (kind of introduction), which is not related directly to any code element. I want to place this introduct...
Encapsulation vs Abstraction?
...traction. However, there are other uses which just aid in maintainability etc.
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java.lang.UnsupportedClassVersionError: Bad version number in .class file?
...s could happen is when you are launching an instance of eclipse (for debug etc.) from a host eclipse - in which case, altering the project's level or JRE library on the project's classpath alone doesn't help. What matters is the JRE used to launch the target eclipse environment.
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Clearing purchases from iOS in-app purchase sandbox for a test user
...r changes to app state for this purchase,
// register in keychain, etc.
break ;
//.. other cases
}
}
}
The question of having your app logic / take back the purchase is simple: if you're caching purchases in keychain, delete your keychain. If you're doing it some ot...