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What is the purpose of Rank2Types?
... 5 = (λx:Int.x) 5
= 5
Standard Haskell (i.e., Haskell 98 and 2010) simplifies this for you by not having any of these type quantifiers, capital lambdas and type applications, but behind the scenes GHC puts them in when it analyzes the program for compilation. (This is all compi...
Using Node.js only vs. using Node.js with Apache/Nginx
...n server to serve static files as so many (every?) competing technologies (PHP, Ruby, Python, etc) require a web server like HTTPD or Nginx in front of the application server(s).
Every objective reason I have ever read against serving static files with Node revolves around the idea of using what yo...
What are the best practices for JavaScript error handling?
...is:
function log(sev,msg) {
var img = new Image();
img.src = "log.php?sev=" +
encodeURIComponent(sev) +
"&msg=" + encodeURIComponent(msg);
}
// usage
log(1, "Something bad happened.")
// Auto-log uncaught JS errors
window.onerror = function(msg, url, line) {
log(1,...
is vs typeof
... Class1>(c1); // ~178ms
b = GetType2<Class1, Class1>(c1); // ~98ms
b = Is<Class1, Class1>(c1); // ~78ms
b = GetType1<Class1, Class2>(c2); // ~178ms
b = GetType2<Class1, Class2>(c2); // ~96ms
b = Is<Class1, Class2>(c2); // ~69ms
b = GetType1&...
SQL select join: is it possible to prefix all columns as 'prefix.*'?
...result set for a list of columns in a scripting language such as Python or PHP.
SELECT '' as table1_dummy, table1.*, '' as table2_dummy, table2.*, '' as table3_dummy, table3.* FROM table1
JOIN table2 ON table2.table1id = table1.id
JOIN table3 ON table3.table1id = table1.id
I realize this doesn't ...
Facebook Graph API v2.0+ - /me/friends returns empty, or only friends who also use my application
... && l.GetAttributeValue("data-hovercard").Contains("user.php")
&& l.Text != null
).LastOrDefault();
if (lastLink == null || previousLastLink == lastLink)
{
break;
}
var ieElement = lastLink.Native...
How do you track record relations in NoSQL?
...
@M98, Ah, you've found the weakness in this strategy. You have to know about all the places you need to update, and then write code in your application to update all of them when you update any one. Good luck!
...
Java EE web development, where do I start and what skills do I need? [closed]
..., css, etc) just like a web server does. It is comparable to Apache with a php module.
– Nemi
Dec 24 '09 at 16:16
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Using .NET, how can you find the mime type of a file based on the file signature not the extension
...te[] WMV_WMA = { 48, 38, 178, 117, 142, 102, 207, 17, 166, 217, 0, 170, 0, 98, 206, 108 };
private static readonly byte[] ZIP_DOCX = { 80, 75, 3, 4 };
public static string GetMimeType(byte[] file, string fileName)
{
string mime = "application/octet-stream"; //DEFAULT UNKNOWN MI...
How to parse the AndroidManifest.xml file inside an .apk package
...n, the aapt does the job. As I am working with LAMP, I run aapt command in PHP and process the output with PHP.
– hongster
Aug 24 '10 at 3:52
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