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How can I embed a YouTube video on GitHub wiki pages?
...kdown and YouTube Thumbnail:
We are sourcing the thumbnail image directly from YouTube and linking to the actual video, so when the person clicks the image/thumbnail they will be taken to the video.
Code:
[](https://www.youtube.c...
Add Keypair to existing EC2 instance
... A (waiting for it to come to a complete stop), detach the root EBS volume from the instance (waiting for it to be detached), then attach the volume to instance B on an unused device.
ec2-stop-instances $instance_a
ec2-detach-volume $volume
ec2-attach-volume --instance $instance_b --device /dev/sdj...
Android ListView with different layouts for each row
...g provided.
A ListView can support multiple row styles because it derives from AdapterView:
An AdapterView is a view whose children are determined by an Adapter.
If you look at the Adapter, you'll see methods that account for using row-specific views:
abstract int getViewTypeCount()
// Retur...
Unloading classes in java?
...loader so that a desktop application can dynamically start loading classes from an AppServer I need to talk to. We did this since the amount of jars that are required to do this are ridiculous (if we wanted to ship them). We also have version problems if we don't load the classes dynamically at run ...
nano error: Error opening terminal: xterm-256color
...
Worked for me when ran on the remove system. Connection from was OS X -> Ubuntu
– Ryan Griffith
Jul 4 '16 at 14:09
...
How do I find where an exception was thrown in C++?
... terminate function in gdb. You may be able to generate a stack backtrace from your terminate() function and this backtrace may help in identifying the location of the exception.
There is a brief discussion on uncaught exceptions in Bruce Eckel's Thinking in C++, 2nd Ed that may be helpful as well....
Random “Element is no longer attached to the DOM” StaleElementReferenceException
...tReferenceException e) {
System.out.println("Attempting to recover from StaleElementReferenceException ...");
return getStaleElemById(id);
}
}
Yes, it just keeps polling the element until it's no longer considered stale (fresh?). Doesn't really get to the root of the problem, b...
How do you keep parents of floated elements from collapsing? [duplicate]
... is floated, its parent no longer contains it because the float is removed from the flow. You can use 2 methods to fix it:
{ clear: both; }
clearfix
Once you understand what is happening, use the method below to “clearfix” it.
.clearfix:after {
content: ".";
display: block;
clea...
A variable modified inside a while loop is not remembered
...
what if the source was from tail -f instead of fixed text?
– mt eee
Nov 9 '18 at 7:57
2
...
Java executors: how to be notified, without blocking, when a task completes?
... @Zelphir It was a Callback interface that you declare; not from a library. Nowadays I'd probably just use Runnable, Consumer, or BiConsumer, depending on what I need to pass back from the task to the listener.
– erickson
Jan 29 '16 at 15:52
...