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Do HttpClient and HttpClientHandler have to be disposed between requests?
...instance of HttpClient as a singleton. The lifetime of the instance would then be scoped to that of the lifetime of the container. This could be scoped at the application level or perhaps per request in a web application.
– David Peden
Apr 3 '13 at 15:56
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Is JSON Hijacking still an issue in modern browsers?
.../05/30/json-hijacking/:
(http://jsfiddle.net/ph3Uv/2/)
var capture = function() {
var ta = document.querySelector('textarea')
ta.innerHTML = '';
ta.appendChild(document.createTextNode("Captured: "+JSON.stringify(arguments)));
return arguments;
}
var original = Array;
var toggle...
How does the Amazon Recommendation feature work?
...ssibility, though I suspect Amazon doesn't use ratings data very heavily). Then, whenever I view an item X or make a purchase Y, Amazon suggests me things in the same neighborhood as X or Y.
Some other approaches that Amazon could potentially use, but likely doesn't, are described here: http://blo...
What is global::?
...s with user code.
For example, imagine you had a class called System, but then you wanted to use System.String. You could use global::System.String to differentiate.
I believe the :: comes from C++ where it's used as a namespace separator.
In practice I've never used it, other than in generating ...
How to encode URL parameters?
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Using new ES6 Object.entries(), it makes for a fun little nested map/join:
const encodeGetParams = p =>
Object.entries(p).map(kv => kv.map(encodeURIComponent).join("=")).join("&");
const params = {
user: "María Rodríguez",
awesome: true,
a...
Facebook share link without JavaScript
...ect way to achieve this.
Create a server side page for example: "/sharer.aspx"
Link this page whenever you want the share functionality.
In the "sharer.aspx" get the refering url, and redirect user to "https://www.facebook.com/sharer/sharer.php?u={referer}"
Example ASP .Net code:
public partial...
How can I make a time delay in Python? [duplicate]
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You can use the sleep() function in the time module. It can take a float argument for sub-second resolution.
from time import sleep
sleep(0.1) # Time in seconds
share
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LINQ-to-SQL vs stored procedures? [closed]
...tive in general. If there are some areas where sprocs are clearly better, then I'll probably still write a sproc but access it using LINQ. :)
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f...
How many bytes does one Unicode character take?
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OK. Then how many bytes takes one given character represented in one given codepoint ? For example, the non-breaking space.
– Nicolas Barbulesco
Jan 8 '15 at 13:10
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Why and How to avoid Event Handler memory leaks?
...s an instance method).
If the publisher lives longer than the subscriber, then it will keep the subscriber alive even when there are no other references to the subscriber.
If you unsubscribe from the event with an equal handler, then yes, that will remove the handler and the possible leak. However...