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Is type=“text/css” necessary in a tag?
...but for older versions of HTML is it required.
Html 4 W3.org spec
http://www.w3.org/TR/html40/struct/links.html#edef-LINK
http://www.w3.org/TR/html40/present/styles.html
Type stands for The MIME type of the style sheet. The only supported value I have ever seen is Text/CSS, which is probably why...
What is the correct value for the disabled attribute?
...
HTML5 spec:
http://www.w3.org/TR/html5/forms.html#enabling-and-disabling-form-controls:-the-disabled-attribute :
The checked content attribute is a boolean attribute
http://www.w3.org/TR/html5/infrastructure.html#boolean-attributes :
The pre...
What ports does RabbitMQ use?
...has the answer. It's defined in the RABBITMQ_NODE_PORT variable.
https://www.rabbitmq.com/configure.html#define-environment-variables
The number might be differently if changed by someone in the rabbitmq configuration file:
vi /etc/rabbitmq/rabbitmq-env.conf
Ask the computer to tell you:
sudo...
How to use RestSharp with async/await
... var client = new RestClient();
var request = new RestRequest("http://www.google.com");
var cancellationTokenSource = new CancellationTokenSource();
var restResponse =
await client.ExecuteTaskAsync(request, cancellationTokenSource.Token);
// Will output the HTML contents ...
How do I setup a SSL certificate for an express.js server?
...0.
express 4.0 is very different from 3.0 and others.
4.0 you have /bin/www file, which you are going to add https here.
"npm start" is standard way you start express 4.0 server.
readFileSync() function should use __dirname get current directory
while require() use ./ refer to current director...
Change values while iterating
... []Attribute{
{"key", "value"},
{"href", "http://www.google.com"},
},
}
fmt.Println(n)
for i := 0; i < len(n.Attr); i++ {
attr := &n.Attr[i]
if attr.Key == "href" {
attr.Val = "something"
}
}
fmt.Print...
PostgreSQL delete all content
...lause is absent, the effect is to delete all rows
in the table.
http://www.postgresql.org/docs/9.3/static/sql-delete.html
TRUNCATE is a PostgreSQL extension that provides a faster mechanism to
remove all rows from a table. TRUNCATE quickly removes all rows from a
set of tables. It has t...
Generating v5 UUID. What is name and namespace?
.../Birthday_problem#Probability_table for the probability table.
See http://www.ietf.org/rfc/rfc4122.txt for more details on UUID encodings.
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Add unique constraint to combination of two columns
...ert the row and returning an exception (exceptions are expensive).
http://www.sqlperformance.com/2012/08/t-sql-queries/error-handling
http://www.mssqltips.com/sqlservertip/2632/checking-for-potential-constraint-violations-before-entering-sql-server-try-and-catch-logic/
If you want to prevent exce...
Why does the JVM still not support tail-call optimization?
... just link to webarchive web.archive.org/web/20120506085636/http://www.ibm.com/…
– Suvitruf - Andrei Apanasik
Jan 29 '15 at 22:30
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