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What is the overhead of creating a new HttpClient per call in a WebAPI client?
...t with a new HttpClient requires re-establishing a new TCP/IP connection.
From my tests, using plain HTTP on a LAN, the performance hit is fairly negligible. I suspect this is because there is an underlying TCP keepalive that is holding the connection open even when HttpClientHandler tries to clos...
Is there a read-only generic dictionary available in .NET?
...ence to a dictionary in my read only property. How do I prevent consumers from changing my data? If this were an IList I could simply return it AsReadOnly . Is there something similar I can do with a dictionary?
...
ScalaTest in sbt: is there a way to run a single test without tags?
...
Just to clarify, if you run it from the command line, it should be as single argument: sbt "testOnly *MySuite -- -z foo"
– Sogartar
Jan 11 '17 at 17:17
...
Javascript object Vs JSON
...JavaScript.
Here's a story. Let's imagine you've purchased some furniture from a store, and you want it delivered. However the only one left in stock is the display model, but you agree to buy it.
In the shop, the chest-of-drawers you've purchased is a living object:
var chestOfDrawers = {
co...
Why can't I use float value as a template parameter?
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Please provide a link to or copy of relevant section from the standard
– thecoshman
Jul 17 '12 at 8:37
2
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JavaScript click event listener on class
....
If you have ES6 support you can replace your last line with:
Array.from(elements).forEach(function(element) {
element.addEventListener('click', myFunction);
});
Note: Older browsers (like IE6, IE7, IE8) don´t support getElementsByClassName and so they return undefined.
EDIT :...
Why does typeof array with objects return “object” and not “array”? [duplicate]
...ex, yes, the other can give you false if you're checking an array you got from an <iframe>.
– gdoron is supporting Monica
Feb 13 '14 at 19:45
6
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nginx missing sites-available directory
...4.03. These directories are not created automatically if you install nginx from the rpm files(whether nginx 1.6.2 or nginx 1.7.5) but many nginx configuration examples refer these...making you wonder whether your nginx got installed correctly or not.
– so_mv
Se...
What's the difference between a continuation and a callback?
...callcc logically converts the entire function body back to what we started from (and gives those anonymous functions the name cc). The pythagoras function using this implementation of callcc becomes then:
function pythagoras(x, y, cont) {
callcc(function(cc) {
square(x, function (x_squa...
Overwrite or override
... used word is Override and it's not language-specific as you can also read from wikipedia: http://en.wikipedia.org/wiki/Method_overriding
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