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What is “lifting” in Haskell?
...ive
instance Applicative Foo where
pure x = Foo $ ... -- Wrap 'x' inside a Foo.
(<*>) = liftFoo2 ($)
The (<*>) operator for Foo has the type
(<*>) :: Foo (a -> b) -> Foo a -> Foo b
It applies the wrapped function to the wrapped value. So if you can implement ...
What is an Endpoint?
...rder to obtain an unauthorized Request Token from the server / service provider.
Resource Owner Authorization URI (called the User Authorization URL in the OAuth 1.0a community spec). This is a URI that you direct the user to to authorize a Request Token obtained from the Temporary Credential Reque...
Get cursor position (in characters) within a text Input field
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What is the idea of "oField.focus()"? It works for me without this line. Be careful if you use blur event on your input and execute that function inside a callback.
– Kirill Reznikov
Sep 14 '15 at ...
Resize fields in Django Admin
... is a real waste of space, when, i.e., editing a date field, 8 characters wide, or a CharField, also 6 or 8 chars wide, and then the edit box goes up to 15 or 20 chars.
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Restricting input to textbox: allowing only numbers and decimal point
...->
</SCRIPT>
</HEAD>
<BODY>
<INPUT id="txtChar" onkeypress="return isNumberKey(event)"
type="text" name="txtChar">
</BODY>
</HTML>
This really works!
...
Spring MVC type conversion : PropertyEditor or Converter?
...ing reference and write a converter instead(for eg, to convert from a Long id to an entity say, as a sample).
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How to use ng-repeat for dictionaries in AngularJs?
...ame}}: {{age}}</li>
See ngRepeat documentation. Example: http://jsfiddle.net/WRtqV/1/
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Best practice to run Linux service as a different user
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On Debian we use the start-stop-daemon utility, which handles pid-files, changing the user, putting the daemon into background and much more.
I'm not familiar with RedHat, but the daemon utility that you are already using (which is defined in /etc/init.d/functions, btw.) is mentioned ev...
How to disable HTML button using JavaScript?
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What's foo in foo.disabled = true;? Is it the id of that button?
– stack
Jun 27 '16 at 21:03
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Programmatically trigger “select file” dialog box
I have a hidden file input element. Is it possible to trigger its select file dialog box from a button's click event?
13 ...