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Differences between action and actionListener
...Faces process/update and JSF f:ajax execute/render attributes.
Invocation order
The actionListeners are always invoked before the action in the same order as they are been declared in the view and attached to the component. The f:ajax listener is always invoked before any action listener. So, the f...
How do I include a JavaScript file in another JavaScript file?
...u can load one or many scripts with a fetch call using promises to control order of execution for script dependencies using the Fetch Inject library:
fetchInject([
'https://cdn.jsdelivr.net/momentjs/2.17.1/moment.min.js'
]).then(() => {
console.log(`Finish in less than ${moment().endOf('year...
curl: (60) SSL certificate problem: unable to get local issuer certificate
...e certificate.
Add the root CA (the CA signing the server certificate) to /etc/ssl/certs/ca-certificates.crt
You should use option 2 as it's the option that ensures that you are connecting to secure FTP server.
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...
CSS selector for first element with class
...t all .red children of .home, including the first one,
* and give them a border.
*/
.home > .red {
border: 1px solid red;
}
... then "undo" the styles for elements with the class that come after the first one, using the general sibling combinator ~ in an overriding rule:
/*
* Select al...
Java: Get first item from a collection
...urn the first thing you put in the collection, and may only make sense for ordered collections. Maybe that is why there isn't a get(item) call, since the order isn't necessarily preserved.
While it might seem a bit wasteful, it might not be as bad as you think. The Iterator really just contains i...
Sort Dictionary by keys
...
If you want to iterate over both the keys and the values in a key sorted order, this form is quite succinct
let d = [
"A" : [1, 2],
"Z" : [3, 4],
"D" : [5, 6]
]
Swift 1,2:
for (k,v) in Array(d).sorted({$0.0 < $1.0}) {
println("\(k):\(v)")
}
Swift 3+:
for (k,v) in Array(d).sort...
ActiveRecord OR query
... to use arrays as arguments, the following code works in Rails 4:
query = Order.where(uuid: uuids, id: ids)
Order.where(query.where_values.map(&:to_sql).join(" OR "))
#=> Order Load (0.7ms) SELECT "orders".* FROM "o
How to elegantly check if a number is within a range?
...
As others said, use a simple if.
You should think about the ordering.
e.g
1 <= x && x <= 100
is easier to read than
x >= 1 && x <= 100
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impro...
Draw text in OpenGL ES
...der text on top of the rendered frame (like a HUD with the player´s score etc). The text would need to use a custom font also.
...
OS detecting makefile
...
I was recently experimenting in order to answer this question I was asking myself. Here are my conclusions:
Since in Windows, you can't be sure that the uname command is available, you can use gcc -dumpmachine. This will display the compiler target.
There...