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What does the “Just” syntax mean in Haskell?
... value was either constructed via Just or Nothing, there are no other (non-error) possibilities.
Since Nothing has no parameter type, when it's used as a constructor it names a constant value that is a member of type Maybe a for all types a. But the Just constructor does have a type parameter, whic...
Why use Object.prototype.hasOwnProperty.call(myObj, prop) instead of myObj.hasOwnProperty(prop)?
... For example, host objects in IE implemented as ActiveX objects will throw errors if treated as native objects (hence why try..catch is used to initialise MS XMLHttpRequest objects). Some DOM objects (like NodeLists in IE in quirks mode) if passed to Array methods will throw errors, DOM objects in I...
Why does an SSH remote command get fewer environment variables then when run manually? [closed]
... arguments and without the -c option whose standard input
and error are both connected to terminals (as determined
by isatty(3)), or one started with the -i option. PS1 is
set and $- includes i if bash is interactive, allowing a
shell script or a startup file ...
Download File Using Javascript/jQuery
...r the download starts or even inform the user in a friendly manner that an error has occurred. See the Demo for an example of this. Hope this helps someone!
Here is a simple use case demo using the plugin source with promises. The demo page includes many other, 'better UX' examples as well.
$.fil...
ReSharper warns: “Static field in generic type”
...jority of cases, having a static field in a generic type
is a sign of an error. The reason for this is that a static field in a
generic type will not be shared among instances of different close
constructed types. This means that for a generic class C<T> which
has a static field X, the...
What does -1 mean in numpy reshape?
...],
[10],
[11],
[12]])
The above is consistent with numpy advice/error message, to use reshape(-1,1) for a single feature; i.e. single column
Reshape your data using array.reshape(-1, 1) if your data has a single feature
New shape as (-1, 2). row unknown, column 2. we get result new ...
How to create a directory using nerdtree
...
when type a I get an error Error detected while processing function <SNR>_15_showMenu..... . Culprit could be some other plugin. I will debug it later. thanks.
– Nick Vanderbilt
May 23 '10 at 0:02
...
UnicodeEncodeError: 'latin-1' codec can't encode character
What could be causing this error when I try to insert a foreign character into the database?
9 Answers
...
Sending multipart/formdata with jQuery.ajax
... [1] => /tmp/phpJQaOYo
)
[error] => Array
(
[0] => 0
[1] => 0
)
[size] => Array
(
[0] => 258004
...
Android Studio with Google Play Services
...ay_services.jar.
But when I try to Rebuild the project I get the following errors:
11 Answers
...