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HTML input file selection event not firing upon selecting the same file
...the input to null on each onclick event. This will reset the input's value and trigger the onchange event even if the same path is selected.
input.onclick = function () {
this.value = null;
};
input.onchange = function () {
alert(this.value);
};
Here's a DEMO.
Note: It's normal if yo...
jquery ui Dialog: cannot call methods on dialog prior to initialization
...n app on jquery 1.5 with dialogs worked fine.
While I have a lot of .live handlers, I changed this to .on.
For that, I have to update jquery (now 1.8.3 an jquerui 1.9.1).
...
How do I convert a String object into a Hash object?
...en its string representation is "{:a=>#<Object:0x7f66b65cf4d0>}", and I can't use eval to turn it back into a hash because #<Object:0x7f66b65cf4d0> isn't valid Ruby syntax.
However, if all that's in the hash is strings, symbols, numbers, and arrays, it should work, because those have...
How to atomically delete keys matching a pattern using Redis
...ing: As the Redis document says, because of performance maters, keys
command should not use for regular operations in production, this
command is intended for debugging and special operations. read
more
See the EVAL documentation.
...
The tilde operator in C
I've seen the tilde operator used in the ELF hashing algorithm, and I'm curious what it does. (The code is from Eternally Confused .)
...
What is scaffolding? Is it a term for a particular platform?
... to
generate code that the application can
use to create, read, update and delete
database entries, effectively treating
the template as a "scaffold" on which
to build a more powerful application.
share
|...
Chrome Dev Tools - “Size” vs “Content”
...in the Network tab of Chrome's dev tools, one column specifies both "size" and "content":
4 Answers
...
What does -XX:MaxPermSize do?
...
The permanent space is where the classes, methods, internalized strings, and similar objects used by the VM are stored and never deallocated (hence the name).
This Oracle article succinctly presents the working and parameterization of the HotSpot GC and advises you to augment this space if you lo...
How to unsubscribe to a broadcast event in angularJS. How to remove function registered via $on
...
You need to store the returned function and call it to unsubscribe from the event.
var deregisterListener = $scope.$on("onViewUpdated", callMe);
deregisterListener (); // this will deregister that listener
This is found in the source code :) at least in 1.0.4. I...
Vagrant reverse port forwarding?
...
When you run vagrant ssh, it's actually using this underlying command:
ssh -p 2222 -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -o LogLevel=ERROR -o IdentitiesOnly=yes -i ~/.vagrant.d/insecure_private_key vagrant@127.0.0.1
SSH supports forwarding ports in the direction you ...