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Entity Framework and Connection Pooling
...e context per request. For web services use single context per call. In WinForms or WPF application use single context per form or per presenter. There can be some special requirements which will not allow to use this approach but in most situation this is enough.
If you want to know what impact h...
What is the difference between localStorage, sessionStorage, session and cookies?
...the session is really your only option. If you are not using SSL, cookie information can also be intercepted in transit, especially on an open wifi.
On the positive side cookies can have a degree of protection applied from security risks like Cross-Site Scripting (XSS)/Script injection by setting a...
Please explain some of Paul Graham's points on Lisp
...is useful to have a clear picture of what happens with Lisp code -- in the form of a stream of characters typed in by the programmer -- on its way to being executed. Let's use a concrete example:
;; a library import for completeness,
;; we won't concern ourselves with it
(require '[clojure.contrib.s...
MySQL stored procedure vs function, which would I use when?
...oes not return a value. Instead, it is invoked with a CALL statement to perform an operation such as modifying a table or processing retrieved records.
A function is invoked within an expression and returns a single value directly to the caller to be used in the expression.
You cannot invoke a funct...
How to avoid isset() and empty()
... have expanded this topic into a small article, which provides the below information in a somewhat better structured form: The Definitive Guide To PHP's isset And empty
IMHO you should think about not just making the app "E_NOTICE compatible", but restructuring the whole thing. Having hundreds of...
Proper SCSS Asset Structure in Rails
...ding.scss";
// Styled patterns and elements
@import "type.scss";
@import "forms.scss";
@import "tables.scss";
@import "patterns.scss";
And your application.scss file look like:
@import "bootstrap/bootstrap.scss";
Because of the order of the imports, you can now use the variables, loaded with @...
Why are joins bad when considering scalability?
...ed. And the only way you can truly judge "failure" is to set meaningful performance goals and measure against those goals. If you haven't measured, it's too soon to even think about de-normalization.
* That is, exist as entities distinct from mere collections of tables. An additional reason for a r...
Difference between a “coroutine” and a “thread”?
...
Coroutines are a form of sequential processing: only one is executing at any given time (just like subroutines AKA procedures AKA functions -- they just pass the baton among each other more fluidly).
Threads are (at least conceptually) a f...
How do HTML parses work if they're not using regexp?
...
Regular expressions are just one form of parser. An honest-to-goodness HTML parser will be significantly more complicated than can be expressed in regexes, using recursive descent, prediction, and several other techniques to properly interpret the text. If y...
What Does 'Then' Really Mean in CasperJS
I'm using CasperJS to automate a series of clicks, completed forms, parsing data, etc through a website.
3 Answers
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