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Indent multiple lines quickly in vi
...iable that controls indentation.
General Commands
>> Indent line by shiftwidth spaces
<< De-indent line by shiftwidth spaces
5>> Indent 5 lines
5== Re-indent 5 lines
>% Increase indent of a braced or bracketed block (place cursor on brace first)
=% Reindent a braced...
POST unchecked HTML checkboxes
I've got a load of checkboxes that are checked by default. My users will probably uncheck a few (if any) of the checkboxes and leave the rest checked.
...
How can I display an RTSP video stream in a web page?
...ides a live RTSP video stream. I can use VLC media player to view the feed by providing it with the URL:
15 Answers
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Function in JavaScript that can be called only once
...
If by "won't be executed" you mean "will do nothing when called more than once", you can create a closure:
var something = (function() {
var executed = false;
return function() {
if (!executed) {
exe...
Word wrapping in phpstorm
...s | Editor --> Use soft wraps in editor : to turn them on for all files by default.
File | Settings | Code Style | General --> Wrap when typing reaches right margin
.. but that's different (it will make new line).
sh...
Dealing with nginx 400 “The plain HTTP request was sent to HTTPS port” error
...r with same Nginx configuration. Found the the solution which is answered by Igor here http://forum.nginx.org/read.php?2,1612,1627#msg-1627
Yes. Or you may combine SSL/non-SSL servers in one server:
server {
listen 80;
listen 443 default ssl;
# ssl on - remember to comment this out
}
...
Get User's Current Location / Coordinates
...Authorization()
locationManager.startUpdatingLocation()
get User Location By:
func locationManager(_ manager: CLLocationManager, didUpdateLocations locations: [CLLocation]) {
let locValue:CLLocationCoordinate2D = manager.location!.coordinate
print("locations = \(locValue.latitude) \(locVal...
Why is there no GIL in the Java Virtual Machine? Why does Python need one so bad?
... Yes Bartosz, Greg Stein did measure that in 1999. Garbage collection by reference counting was the killer, forcing huge overhead of fine grained locking. That's why a more advanced GC is crucial there.
– Alex Martelli
Jul 15 '09 at 16:19
...
How to “return an object” in C++?
...ay to make your code ugly, and in C++0x you'd actually be hurting yourself by using an out parameter.
Just write clean code, return by value. If performance is a problem, profile it (stop guessing), and find what you can do to fix it. It likely won't be returning things from functions.
That said...
Convert java.util.Date to String
...igits of a decimal fraction).
Conversions to/from java.time are performed by new methods added to the old classes.
Instant instant = myUtilDate.toInstant();
Both your java.util.Date and java.time.Instant are in UTC. If you want to see the date and time as UTC, so be it. Call toString to generate...