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Nodejs send file in response
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Here's an example program that will send myfile.mp3 by streaming it from disk (that is, it doesn't read the whole file into memory before sending the file). The server listens on port 2000.
[Update] As mentioned by @Aftershock in the comments, util.pump is gone and was replaced with a method...
Unit testing of private methods [duplicate]
...de (and just the test code) access to the privates, whilst protecting them from everything else.
However, it is preferable to test through the public interface. If your class X has a lot of code in the private member functions then it might be worth extracting a new class Y which is used by the imp...
Why is sed not recognizing \t as a tab?
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Called from a script, that won't work: tabs would be ignored by sh. For example, the following code from a shell script will add $TEXT_TO_ADD, without prepending it by a tabulation: sed "${LINE}a\\ $TEXT_TO_ADD " $FIL...
Click event doesn't work on dynamically generated elements [duplicate]
...n().
Delegated events have the advantage that they can process events from descendant elements that are added to the document at a later time.
Source
Here's what you're looking for:
var counter = 0;
$("button").click(function() {
$("h2").append("<p class='test'>click me " ...
Stop Mongoose from creating _id property for sub-document array items
If you have subdocument arrays, Mongoose automatically creates ids for each one. Example:
6 Answers
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How to detect if a function is called as constructor?
... a new instance of* x when calling x as a constructor is indistinguishable from a pre-existing instance of x passed as this when calling x as a function, unless you assign a property to every new object created by x as it is constructed:
function x(y) {
var isConstructor = false;
if (this i...
Does using final for variables in Java improve garbage collection?
...ts are short-lived, the GC is more aggressive about freeing recent garbage from the young generation. If an object survives a collection cycle of the young generation, it gets moved into the old generation (sometimes referred to as the "tenured generation"), which is processed less frequently.
So, ...
When to use symbols instead of strings in Ruby?
... saving memory. So every time the interpreter reads :my_key it can take it from memory instead of instantiate it again. This is less expensive than initializing a new string every time.
You can get a list all symbols that are already instantiated with the command Symbol.all_symbols:
symbols_count...
How can I correctly prefix a word with “a” and “an”?
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And if a noun is missing from this output, you can certainly fall back to the simple rule engine.
– John Fisher
Aug 17 '09 at 15:06
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Exotic architectures the standards committees care about
...for special handling of denormals in any context other than conversions to/from other types. Too bad C's printf messed everything up.
– supercat
Apr 30 '15 at 16:32
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