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What's the opposite of head? I want all but the first N lines of a file
Given a text file of unknown length, how can I read, for example all but the first 2 lines of the file? I know tail will give me the last N lines, but I don't know what N is ahead of time.
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Pretty-Print JSON Data to a File using Python
A project for class involves parsing Twitter JSON data. I'm getting the data and setting it to the file without much trouble, but it's all in one line. This is fine for the data manipulation I'm trying to do, but the file is ridiculously hard to read and I can't examine it very well, making the code...
Exception handling in R [closed]
Does anyone have examples/tutorials of exception handling in R? The official documentation is very terse.
5 Answers
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Use basic authentication with jQuery and Ajax
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Use jQuery's beforeSend callback to add an HTTP header with the authentication information:
beforeSend: function (xhr) {
xhr.setRequestHeader ("Authorization", "Basic " + btoa(username + ":" + password));
},
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What are the differences between a multidimensional array and an array of arrays in C#?
... (jagged arrays) are faster than multi-dimensional arrays and can be used more effectively. Multidimensional arrays have nicer syntax.
If you write some simple code using jagged and multidimensional arrays and then inspect the compiled assembly with an IL disassembler you will see that the storage ...
Where to put view-specific javascript files in an ASP.NET MVC application?
... question, but I wanted to put my answer incase anyone else comes looking for it.
I too wanted my view specific js/css files under the views folder, and here's how I did it:
In the web.config folder in the root of /Views you need to modify two sections to enable the webserver to serve the files:
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PHP, get file name without file extension
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No need for all that. Check out pathinfo(), it gives you all the components of your path.
Example from the manual:
$path_parts = pathinfo('/www/htdocs/index.html');
echo $path_parts['dirname'], "\n";
echo $path_parts['basename'], "...
ASP.NET MVC RequireHttps in Production Only
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This won't help if you run Release builds on your development workstation, but conditional compilation could do the job...
#if !DEBUG
[RequireHttps] //apply to all actions in controller
#endif
public class SomeController
{
//... or ...
#if !DEBUG
[RequireHttps] //apply to this ...
Google Guice vs. PicoContainer for Dependency Injection
My team is researching dependency injection frameworks and is trying to decide between using Google-Guice and PicoContainer.
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How to determine whether a substring is in a different string
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I just actually was learning JS after learning Python, for this you would need to add loads of if else statements and other things. So, I just wanted to remind myself of how its done in Python, this answer made me say to myself 'Of course!', I mean things like this in Python are j...