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Convert SVG image to PNG with PHP
...e: $dom = new DOMDocument(); $dom->loadXML( $svg ); $dom->getElementsByTagName('image')->item(0)->setAttribute('id', $state); $svg = $dom->saveXML();
– Tapper
Oct 15 '12 at 20:12
...
How to remove old Docker containers
...er ps --no-trunc -aq`
will remove all containers in an elegant way.
And by Bartosz Bilicki, for Windows:
FOR /f "tokens=*" %i IN ('docker ps -a -q') DO docker rm %i
For PowerShell:
docker rm @(docker ps -aq)
An update with Docker 1.13 (Q4 2016), credit to VonC (later in this thread):
doc...
Spring MVC type conversion : PropertyEditor or Converter?
...can sort of work around the need for having two separate Converter classes by implementing the two Converters as static inner classes.
public class FooConverter {
public static class BarToBaz implements Converter<Bar, Baz> {
@Override public Baz convert(Bar bar) { ... }
}
...
Best practice to run Linux service as a different user
...aemon --user=my_user my_cmd &>/dev/null &
This is implemented by wrapping the
process invocation with runuser -
more on this later.
Jonathan Leffler is right:
there is setuid in Python:
import os
os.setuid(501) # UID of my_user is 501
I still don't think you can setuid
from inside a ...
What is a stack trace, and how can I use it to debug my application errors?
...
at com.example.myproject.Bootstrap.main(Bootstrap.java:14)
Caused by: java.lang.NullPointerException
at com.example.myproject.Book.getId(Book.java:22)
at com.example.myproject.Author.getBookIds(Author.java:36)
... 1 more
What's different about this one is the "Caus...
How to change ViewPager's page?
...t time for load the page than you can use setOffscreenPageLimit(1),because by default view pager load +1 and -1 page from the current position
– Ajay Pandya
Apr 9 '15 at 5:20
...
Implementing IDisposable correctly
... to "clean up" strings and ints - they will be taken care of automatically by the garbage collector. The only thing that needs to be cleaned up in Dispose are unmanaged resources or managed recources that implement IDisposable.
However, assuming this is just a learning exercise, the recommended wa...
Retrieve only the queried element in an object array in MongoDB collection
...JohnnyHK: In this case, $elemMatch is another option. I actually got here by way of a Google Group question where $elemMatch wouldn't work because it only returns the first match per document.
– Stennie
Sep 3 '12 at 4:24
...
How to get Resource Name from Resource id
...:
to get string like radio1:
getResources().getResourceEntryName(int resid);
to get string like com.sample.app:id/radio1:
getResources().getResourceName(int resid);
In Kotlin Now :
val name = v.context.resources.getResourceEntryName(v.id)
...
How to change color of SVG image using CSS (jQuery SVG image replacement)?
...E (and probably Opera Mini, which I haven't tested) it is noticeably faded by the opacity property, which still looks pretty good, although it's not grey.
Here's an example with four different CSS classes for the Twemoji bell icon: original (yellow), the above "disabled" class, hue-rotate (green), ...