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How to play with Control.Monad.Writer in haskell?
...create writers using the writer function. For example, in a ghci session I can do
ghci> import Control.Monad.Writer
ghci> let logNumber x = writer (x, ["Got number: " ++ show x])
Now logNumber is a function that creates writers. I can ask for its type:
ghci> :t logNumber
logNumber :: (S...
Assign pandas dataframe column dtypes
...eric
(As mentioned below, no more "magic", convert_objects has been deprecated in 0.17)
df = pd.DataFrame({'x': {0: 'a', 1: 'b'}, 'y': {0: '1', 1: '2'}, 'z': {0: '2018-05-01', 1: '2018-05-02'}})
df.dtypes
x object
y object
z object
dtype: object
df
x y z
0 a 1 2018-0...
Is .NET Remoting really deprecated?
...rate that is. I haven't seen any official word that Remoting is being deprecated, and it seems to me there are certainly scenarios where Remoting makes more sense than WCF. None of the Remoting-related objects or methods have been deprecated, even in version 4.0 of the framework. It is also my under...
What is the purpose of global.asax in asp.net
How can we use global.asax in asp.net? And what is that?
6 Answers
6
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Can I change the viewport meta tag in mobile safari on the fly?
...
I realize this is a little old, but, yes it can be done. Some javascript to get you started:
viewport = document.querySelector("meta[name=viewport]");
viewport.setAttribute('content', 'width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0');
Just...
List all of the possible goals in Maven 2?
...
The goal you indicate in the command line is linked to the lifecycle of Maven. For example, the build lifecycle (you also have the clean and site lifecycles which are different) is composed of the following phases:
validate: validate the pr...
Custom error pages on asp.net MVC3
...nt("Forbidden", "text/plain");
}
}
and then I subscribe for the Application_Error in Global.asax and invoke this controller:
protected void Application_Error()
{
var exception = Server.GetLastError();
var httpException = exception as HttpException;
Response.Clear();
Server.Cle...
Perl flags -pe, -pi, -p, -w, -d, -i, -t?
... switches are all detailed in perlrun. (available from the command line by calling perldoc perlrun)
Going into the options briefly, one-by-one:
-p: Places a printing loop around your command so that it acts on each
line of standard input. Used mostly so Perl can beat the
pants off awk in ...
Rebasing a branch including all its children
...h mass automated rebasing.
So here it is. Use it by saving it into a file called git-auto-rebase in your PATH. It's probably also a good idea to use the dry run (-n) option before you try it for real. It may be a little more detail than you really want, but it will show you what it's going to try t...
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.
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