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What reason is there to use null instead of undefined in JavaScript?
..., you can just as easily store an explicit undefined value in an object or array as you can with null. The meanings of both are completely and entirely context dependent. IE they mean what you want them to mean.
– B T
Feb 11 '16 at 6:53
...
Examples of GoF Design Patterns in Java's core libraries
...ct/interface type which decorates/overrides the given instance)
java.util.Arrays#asList()
java.util.Collections#list()
java.util.Collections#enumeration()
java.io.InputStreamReader(InputStream) (returns a Reader)
java.io.OutputStreamWriter(OutputStream) (returns a Writer)
javax.xml.bind.annotation....
What is the 'new' keyword in JavaScript?
... res.__proto__ = func.prototype;
}
var ret = func.apply(res, Array.prototype.slice.call(arguments, 1));
if ((typeof ret === "object" || typeof ret === "function") && ret !== null) {
return ret;
}
return res;
}
While
var obj = New(A, 1, 2);
is equivalent...
How to override Backbone.sync?
...ajax` to proxy through to `$`.
Backbone.ajax = function() {
var args = Array.prototype.slice.call(arguments, 0);
// Here, I add the OAuth token (or any other token)
// But before, I check that data exists, if not I add it
if (args[0]['data'] === undefined) {
args[0]['data'] ...
How to query nested objects?
... solution I completely ditched the domains being keys, and created a slice/array instead.
– Rens Tillmann
Jun 11 at 19:16
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...
Rails ActionMailer - format sender and recipient name/email address
... sender = (mail['return-path'] && mail['return-path'].spec) || Array(mail.from).first
smtp = Net::SMTP.new(smtp_settings[:address], smtp_settings[:port])
smtp.enable_starttls_auto if smtp_settings[:enable_starttls_auto] && smtp.respond_to?(:enable_starttls_auto)
...
When should I use Write-Error vs. Throw? Terminating vs. non-terminating errors
... function:
accepts MULTIPLE input objects, via the pipeline input and/or array-valued parameters, AND
errors occur for SPECIFIC input objects, AND
these errors DO NOT PREVENT PROCESSING of FURTHER input objects IN PRINCIPLE (situationally, there may be no input objects left and/or previous input o...
How to convert floats to human-readable fractions?
...hat's wonderfully simple. To save space you could instead binary search an array, or create a binary tree, but your approach is probably a little faster (you could save space by using a single call to strcat before return and assign a var where it's now called) . Also I would have included 3/10 and ...
PHP cURL vs file_get_contents
..._setopt($ch, CURLOPT_TIMEOUT, 3);
curl_setopt($ch, CURLOPT_HTTPHEADER, array('Accept: application/json'));
$result = curl_exec($ch);
This request will return data in 0.10 second max
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imp...
Is there a way to create your own html tag in HTML5?
...r page, and make them all backwards-compatible with IE6, just by adding an array of all of the tag names you want to use, and then creating each one inside a for-loop, in your page head, before you start using any of them. That's how the html5shim works in the first place. Just be prepared to put ...