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How to prevent Browser cache for php site
...
Prevent browser cache is not a good idea depending on the case.
Looking for a solution I found solutions like this:
<link rel="stylesheet" type="text/css" href="meu.css?v=<?=filemtime($file);?>">
the problem here is that if the file is overwritte...
What is the difference between a URI, a URL and a URN?
...espace that identifies the document as a type of book.
URNs can identify ideas and concepts. They are not restricted to identifying documents. When a URN does represent a document, it can be translated into a URL by a "resolver". The document can then be downloaded from the URL.
URC -- Unifor...
In Functional Programming, what is a functor?
...l give you back a function on collections. As you can imagine, this is an idea that can be widely reused, which is why it is blessed as part of Haskell's standard library.
As usual, people continue to invent new, useful abstractions, and you may want to look into applicative functors, for which t...
Are getters and setters poor design? Contradictory advice seen [duplicate]
...rnal state in an intimate manner and hence being too closely coupled.
The idea is to make methods that directly do things you want to do. An example would be how to set enemies' "alive" status. You might be tempted to have a setAlive(boolean alive) method. Instead you should have:
private boolean ...
How to test my servlet using JUnit
...e_DE - It happens during the execution of new MyServlet().doPost(...). Any idea what could be broken?
– Benny Neugebauer
Sep 14 '14 at 15:38
1
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How do I (or can I) SELECT DISTINCT on multiple columns?
...roughly equivalent to:
SELECT a,b,c FROM t GROUP BY a,b,c
It's a good idea to get used to the GROUP BY syntax, as it's more powerful.
For your query, I'd do it like this:
UPDATE sales
SET status='ACTIVE'
WHERE id IN
(
SELECT id
FROM sales S
INNER JOIN
(
SELECT salepr...
How does the “this” keyword work?
... object, so the phrasing of the question matters. btw - I really like the idea of using mouseover to get the answer for something like this.
– user655489
Nov 30 '13 at 0:29
...
In Windows Azure: What are web role, worker role and VM role?
...es: The Platform Training kit (mentioned below) will give you lots of good ideas and samples, but here are some straightforward use cases:
You can run any code that exposes a tcp, http, https, or udp endpoint (web applications, SOAP/REST services, etc.). You need to think about the stateless way o...
Embedding unmanaged dll into a managed C# dll
...
Great idea, just note that this might have security ramifications, as it opens up for dll injection, so in a high security environment it should be used with caution
– yoel halb
Aug 19 '19 at ...
Sticky and NON-Sticky sessions
... writing and reading data to/from a db for this use-case may not be a good idea. Now, here comes the role of sticky-session.
If the load balancer is instructed to use sticky sessions, all of your interactions will happen with the same physical server, even though other servers are present. Thus, yo...