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What is the overhead of creating a new HttpClient per call in a WebAPI client?

... re-used for multiple calls. Even across multiple threads. The HttpClientHandler has Credentials and Cookies that are intended to be re-used across calls. Having a new HttpClient instance requires re-setting up all of that stuff. Also, the DefaultRequestHeaders property contains properties that ar...
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Using ping in c#

...s; } catch (PingException) { // Discard PingExceptions and return false; } finally { if (pinger != null) { pinger.Dispose(); } } return pingable; } ...
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Apply CSS style attribute dynamically in Angular JS

...ly. Expression which evals to an object whose keys are CSS style names and values are corresponding values for those CSS keys. Since some CSS style names are not valid keys for an object, they must be quoted. ng-style="{color: myColor}" Your code will be: <div ng-style="{'width':'20px', ...
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Detect if called through require or directly by command line

...hich I don't have control over) that does this, but I need to require() it and have it act as though it was called directly. Basically, I need to fool something that uses that test into thinking it was called directly. – Kevin Nov 17 '15 at 22:17 ...
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Bash set +x without it being printed

... I had the same problem, and I was able to find a solution that doesn't use a subshell: set -x command { set +x; } 2>/dev/null share | improve ...
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How to specify the default error page in web.xml?

...authentication, having a disabled directory listing, using custom servlets and code which can possibly throw unhandled exceptions or does not have all methods implemented, then you'd like to set it for HTTP errors 401, 403, 500 and 503 respectively. <error-page> <!-- Missing login --&g...
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Bash: infinite sleep (infinite blocking)

... sleep infinity does exactly what it suggests and works without cat abuse. share | improve this answer | follow | ...
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Design Patterns: Factory vs Factory method vs Abstract Factory

...uctor". Let's say you want to be able to create two kinds of Fruit: Apple and Orange. Factory Factory is "fixed", in that you have just one implementation with no subclassing. In this case, you will have a class like this: class FruitFactory { public Apple makeApple() { // Code for creati...
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user authentication libraries for node.js?

...an do password authentication for a user (using a custom backend auth DB), and associate that user with a session. 15 Answe...
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querySelector, wildcard element match?

... Thanks, I meant the tag name. – Erik Andersson Jan 3 '12 at 15:32 hmm I can't do document.querySelecto...