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Serving static files with Sinatra
... File.read(File.join('public', 'index.html'))
end
Routes should return a String which become the HTTP response body. File.read opens a file, reads the file, closes the file and returns a String.
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How to use unicode characters in Windows command line?
...egistry key HKEY_CURRENT_USER\Software\Microsoft\Command Processor and add String value Autorun = chcp 65001.
Or you can use this small Batch-Script for the most common code pages.
@ECHO off
SET ROOT_KEY="HKEY_CURRENT_USER"
FOR /f "skip=2 tokens=3" %%i in ('reg query HKEY_LOCAL_MACHINE\SYSTEM\C...
Why does this go into an infinite loop?
... Main {
public static volatile int x = 0;
public static void main(String[] args) {
LoopingThread t = new LoopingThread();
System.out.println("Starting background thread...");
t.start();
while (true) {
x = x++;
}
}
}
class LoopingThre...
What reason is there to use null instead of undefined in JavaScript?
...mply stuff like if(x) ... . Stop it. !x will evaluate to true for an empty string, 0, null, NaN - ie things you probably don't want. If you want to write javascript that isn't awful, always use triple equals === and never use null (use undefined instead). It'll make your life way easier.
...
Difference between .on('click') vs .click()
...ar shortcut methods for "keyup", "focus", etc.)
The reason I'm posting an extra answer is to mention what happens if you call .click() with no parameters:
$("#whatever").click();
// is a shortcut for
$("#whatever").trigger("click");
Noting that if you use .trigger() directly you can also pass ex...
Apache Tomcat Not Showing in Eclipse Server Runtime Environments
...va EE developers" and not "Eclipse for Java developers" sausaged with some extra (and incomplete) plugins.
– BalusC
Jan 4 '10 at 17:54
...
When is each sorting algorithm used? [closed]
...rantee no bad data gives you O(N^2), you should avoid it.
Merge-sort uses extra memory, but is particularly suitable for external sorting (i.e. huge files that don't fit into memory).
Heap-sort can sort in-place and doesn't have the worst case quadratic behavior, but on average is slower than quic...
What is the “__v” field in Mongoose
...n_key, you can just:
var UserSchema = new mongoose.Schema({
nickname: String,
reg_time: {type: Date, default: Date.now}
}, {
versionKey: false // You should be aware of the outcome after set to false
});
Setting the versionKey to false means the document is no longer versioned.
This...
How to simulate a click with JavaScript?
...ecified element.
* @param {Object} elem the target element.
* @param {String} event the type of the event (e.g. 'click').
*/
function triggerEvent( elem, event ) {
var clickEvent = new Event( event ); // Create the event.
elem.dispatchEvent( clickEvent ); // Dispatch the event.
}
Refe...
How to sum up an array of integers in C#
...
Point taken. Yet, the following saves 18 chars compared to your sample: foreach (int i in arr) sum += i;
– Jørn Schou-Rode
Mar 16 '10 at 11:44
...