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Prevent multiple instances of a given app in .NET?
... if there's no "best" technique, what are some of the caveats to consider with each solution?
22 Answers
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IISExpress returns a 503 error from remote machines
I'm attempting to test a website I have running in a local IISExpress instance with some other machines / devices on my local network. I am running Win7 Pro.
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Significance of bool IsReusable in http handler interface
When writing a http handler/module, there is an interface member to implement called - bool IsReusable .
3 Answers
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How to count TRUE values in a logical vector
...icient (look at the code of table function).
Also, you should be careful with the "table" solution, in case there are no TRUE values in the logical vector. Suppose z <- c(NA, FALSE, NA) or simply z <- c(FALSE, FALSE), then table(z)["TRUE"] gives you NA for both cases.
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Is it possible to use 'else' in a list comprehension? [duplicate]
...if b else c is a ternary operator in Python that evaluates to a if the condition b is true - otherwise, it evaluates to c. It can be used in comprehension statements:
>>> [a if a else 2 for a in [0,1,0,3]]
[2, 1, 2, 3]
So for your example,
table = ''.join(chr(index) if index in ords_to_...
How to find out where a function is defined?
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You could also do this in PHP itself:
$reflFunc = new ReflectionFunction('function_name');
print $reflFunc->getFileName() . ':' . $reflFunc->getStartLine();
share
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Difference between a virtual function and a pure virtual function [duplicate]
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A virtual function makes its class a polymorphic base class. Derived classes can override virtual functions. Virtual functions called through base class pointers/references will be resolved at run-time. That is, the dynamic type of the object is used...
Vertical (rotated) label in Android
...View. This means that all standard styles of TextView may be used, because it is extended TextView.
public class VerticalTextView extends TextView{
final boolean topDown;
public VerticalTextView(Context context, AttributeSet attrs){
super(context, attrs);
final int gravity = getG...
How to create PDFs in an Android app? [closed]
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If anyone wants to generate PDFs on Android device, here is how to do it:
http://sourceforge.net/projects/itext/ (library)
http://www.vogella.de/articles/JavaPDF/article.html (tutorial)
http://tutorials.jenkov.com/java-itext/image.html (images tutorial)
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I lost my .keystore file?
...the .keystore file used to sign and publish my application to the market (with several updates). Am I, and my poor users, out of luck if I ever want to update?
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