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How to play with Control.Monad.Writer in haskell?
... <- logNumber 5; return (a*b) }
:: Writer [String] Int
(Input actually entered all on one line). Here I've specified the type of multWithLog to be Writer [String] Int. Now I can run it:
ghci> runWriter multWithLog
(15, ["Got number: 3","Got number: 5"])
And you see that we log all of ...
How to use MySQLdb with Python and Django in OSX 10.6?
...
I had the same error and pip install MySQL-python solved it for me.
Alternate installs:
If you don't have pip, easy_install MySQL-python should work.
If your python is managed by a packaging system, you might have to use
that system (e.g. sudo apt-get ins...
Does Dart support enumerations?
...ase Fruit.apple:
print('it is an apple');
break;
}
// get all the values of the enums
for (List<Fruit> value in Fruit.values) {
print(value);
}
// get the second value
print(Fruit.values[1]);
}
The old approach before 1.8:
class Fruit {
static const APPLE =...
Android Preferences: How to load the default values when the user hasn't used the preferences-screen
...means this will only set the default values if this method has never been called in the past so you don't need to worry about overriding the user's settings each time your Activity is created
Take a look into PreferenceManager.setDefaultValues in Android API for further investigation.
...
How do I convert a PDF document to a preview image in PHP? [closed]
...
If i want all page of pdf to convert into image. then how to do?
– Dhara
May 7 '18 at 8:03
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How can I get the root domain URI in ASP.NET?
...
HttpContext.Current.Request.Url can get you all the info on the URL. And can break down the url into its fragments.
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How do I install Eclipse Marketplace in Eclipse Classic?
...ed around the Eclipse website, but I don't see an available plugin for installing Eclipse Marketplace. Am I just not seeing it?
...
how to check if a form is valid programmatically using jQuery Validation Plugin
...rm_id").valid();
Checks whether the selected form is valid or whether all selected
elements are valid. validate() needs to be called on the form before
checking it using this method.
Where the form with id='form_id' is a form that has already had .validate() called on it.
...
Remove IE10's “clear field” X button on certain inputs?
...u should never use Compatibility Mode in an actual website. It’s not actually compatible :)
– Ry-♦
Aug 11 '13 at 14:19
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Error in plot.new() : figure margins too large, Scatter plot
... should be getting [1] 5.1 4.1 4.1 2.1 but then you tell me to chage it to all 1's?
– Herman Toothrot
May 27 '16 at 0:23
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