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Why do som>me m> C# lambda expressions compile to static m>me m>thods?
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This is most likely because there are no closures, for example:
int age = 25;
Action<string> withClosure = s => Console.WriteLine("My nam>me m> is {0} and I am {1} years old", s, age);
Action<string> withoutClosure = s =&g...
How to use the PI constant in C++
I want to use the PI constant and trigonom>me m>tric functions in som>me m> C++ program. I get the trigonom>me m>tric functions with include <math.h> . However, there doesn't seem to be a definition for PI in this header file.
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Check if two linked lists m>me m>rge. If so, where?
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If
by "modification is not allowed" it was m>me m>ant "you may change but in the end they should be restored", and
we could iterate the lists exactly twice
the following algorithm would be the solution.
First, the numbers. Assum>me m> the first list is of length a+c and the...
Can you control how an SVG's stroke-width is drawn?
...No, you cannot specify whether the stroke is drawn inside or outside an elem>me m>nt. I made a proposal to the SVG working group for this functionality in 2003, but it received no support (or discussion).
As I noted in the proposal,
you can achieve the sam>me m> visual result as "inside" by doubling your...
Command to change the default hom>me m> directory of a user
I would like to know whether there is any simple shell command to change the user hom>me m> directory in Linux/Unix (one similar to chsh which changes the default login shell of an existing valid user) without touching the /etc/passwd file. Thanks
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How do I make a textbox that only accepts numbers?
I have a windows forms app with a textbox control that I want to only accept integer values. In the past I've done this kind of validation by overloading the KeyPress event and just removing characters which didn't fit the specification. I've looked at the MaskedTextBox control but I'd like a more g...
How to POST JSON Data With PHP cURL?
... are not json-encoding all of the POST data -- only the value of the "custom>me m>r" POST field. Instead, do som>me m>thing like this:
$ch = curl_init( $url );
# Setup request to send json via POST.
$payload = json_encode( array( "custom>me m>r"=> $data ) );
curl_setopt( $ch, CURLOPT_POSTFIELDS, $payload );
c...
What is pseudopolynomial tim>me m>? How does it differ from polynomial tim>me m>?
What is pseudopolynomial tim>me m> ? How does it differ from polynomial tim>me m>? Som>me m> algorithms that run in pseudopolynomial tim>me m> have runtim>me m>s like O(nW) (for the 0/1 Knapsack Problem ) or O(√n) (for trial division ); why doesn't that count as polynomial tim>me m>?
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Creating an API for mobile applications - Authentication and Authorization
...le apps (iPhone, Android, Symbian, etc). I've been looking into different m>me m>chanisms for authentication and authorization for web-based APIs (by studying other implem>me m>ntations). I've got my head wrapped around most of the fundam>me m>ntal concepts but am still looking for guidance in a few areas. The ...
Error “gnu/stubs-32.h: No such file or directory” while compiling Nachos source code
...or extra instructions for Ubuntu 12.04.
On Red Hat distros, the package nam>me m> is glibc-devel.i686 (Thanks to David Gardner's comm>me m>nt).
On CentOS 5.8, the package nam>me m> is glibc-devel.i386 (Thanks to JimKleck's comm>me m>nt).
On CentOS 6 / 7, the package nam>me m> is glibc-devel.i686.
On SLES it's called gl...