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What is the difference between service, directive and module?
....js modules, Angular modules don't try to solve the problem of script load ordering or lazy script fetching. These goals are orthogonal and both module systems can live side by side and fulfill their goals (so the docs claim).
Services
are singletons, so there is only one instance of each servic...
In MySQL queries, why use join instead of where?
...x queries can benefit from using ANSI-92 syntax:
Ability to control JOIN order - the order which tables are scanned
Ability to apply filter criteria on a table prior to joining
From a Maintenance Perspective:
There are numerous reasons to use ANSI-92 JOIN syntax over ANSI-89:
More readable...
How do popular apps authenticate user requests from their mobile app to their server?
...e communication between the mobile app and the API server is being done in order to be able to automate attacks against your API. Many other scenarios are possible, but we will not enumerate each one here.
I hope that by now you may already have a clue why the WHO and the WHAT are not the same, but ...
The term “Context” in programming? [closed]
...n the receptionist asks you for your name, that's information they need in order to begin the appointment. In this example, your name is contextual information. So in the context of visiting the dentist, you need to provide your name to get your tooth pulled.
Now let's say you walk over to the bank...
Grabbing the href attribute of an A element
...reg_match_all("/<a.*?href\s*=\s*['\"](.*?)['\"]/", $str, $res, PREG_SET_ORDER); in order to catch correctly all href values in using foreach($res as $key => $val){echo $val[1]}
– Ignacio Bustos
Oct 22 '13 at 15:33
...
Referring to a Column Alias in a WHERE Clause
...e the WHERE clause. This is usually done with parenthesis to force logical order of operation or with a Common Table Expression (CTE):
Parenthesis/Subselect:
SELECT
*
FROM
(
SELECT
logcount, logUserID, maxlogtm,
DATEDIFF(day, maxlogtm, GETDATE()) AS daysdiff
FROM statslogsumma...
What's the false operator in C# good for?
...hings will get weird).
Note that you must implement the & operator in order for that expression to compile, since it's used if mFalse.false() returns false.
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AngularJS: How to clear query parameters in the URL?
...ularJS application needs to have access to the user's LinkedIn profile. In order to do that I need to redirect the user to a LinkedIn URL which contains a callback redirect_uri parameter which will tell LinkedIn to redirect the user back to my webapp and include a "code" query param in the URL. It's...
What is an “unwrapped value” in Swift?
...e bang operator when the value is nil your application will crash.
And in order to use these variables at all in some sort or mathematical operation they must be unwrapped in order to do so.
For instance, in Swift only valid number data types of the same kind may be operated on each other. When yo...
HashSet vs. List performance
... Even if you say your List<T> wouldn't have duplicates and iteration order doesn't matter making it comparable to a HashSet<T>, its still a poor choice to use List<T> because its relatively less fault tolerant.
That said, I will inspect some other aspects of performance,
+-----...