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What is the difference between currying and partial application?
...o do this:
f(x)(y)(z);
Many functional languages let you write f x y z. If you only call f x y or f(x)(y) then you get a partially-applied function—the return value is a closure of lambda(z){z(x(y))} with passed-in the values of x and y to f(x,y).
One way to use partial application is to defi...
How to copy data to clipboard in C#
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There are two classes that lives in different assemblies and different namespaces.
WinForms: use following namespace declaration, make sure Main is marked with [STAThread] attribute:
using System.Windows.Forms;
WPF: use following namespace declaration
using...
How do I tell CPAN to install all dependencies?
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If you're on linux, add the line export PERL_MM_USE_DEFAULT=1 to your ~/.bashrc
– andersand
May 9 '12 at 13:01
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Any decent text diff/merge engine for .NET? [closed]
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You can grab the COM component that uses Google's Diff/Patch/Match. It works from .NET.
Update, 2010 Oct 17: The Google Diff/Patch/Merge code has been ported to C#. The COM component still works, but if you're coming from .NET, you'll wanna use the .NET port directly.
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Overwriting my local branch with remote branch [duplicate]
...other people wondering why that might happen, this approach will only work if you have a branch checked out. It did not work for you because you were in detached HEAD state, (HEAD points at a commit, not a branch) and these commands only work if HEAD is pointing at a branch. When you do git reset wh...
Pandas count(distinct) equivalent
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What if I have multiple columns that I want to be unique together, like in .drop_duplicates(subset=['col1','col2'])?
– ErnestScribbler
Oct 2 '17 at 8:10
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How to show the loading indicator in the top status bar
...plication sharedApplication].networkActivityIndicatorVisible = NO;
For swift :
Start
UIApplication.shared.isNetworkActivityIndicatorVisible = true
End
UIApplication.shared.isNetworkActivityIndicatorVisible = false
sh...
JavaScript open in a new window, not tab
...ons.
window.open(url, windowName, "height=200,width=200");
When you specify a width/height, it will open it in a new window instead of a tab.
share
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improve this answer
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java.lang.NoClassDefFoundError: com/sun/mail/util/MailLogger for JUnit test case for Java mail
... to bother about adding it manually to your classpath when running tests.
If you're using maven add the following dependency (you might want to change version):
<dependency>
<groupId>com.sun.mail</groupId>
<artifactId>javax.mail</artifactId>
<version>...
Possible reasons for timeout when trying to access EC2 instance
...ed.)
Update: Ok, not a security group issue. But does the problem persist if you launch up another instance from the same AMI and try to access that? Maybe this particular EC2 instance just randomly failed somehow – it is only matter of time that something like that happens. (Recommended reading...