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Pinging servers in Python
...tting the operating system name
import subprocess # For executing a shell command
def ping(host):
"""
Returns True if host (str) responds to a ping request.
Remember that a host may not respond to a ping (ICMP) request even if the host name is valid.
"""
# Option for the numbe...
YouTube Video Embedded via iframe Ignoring z-index?
...le="YouTube video player" width="480" height="390" src="http://www.youtube.com/embed/lzQgAR_J1PI?wmode=transparent" frameborder="0" wmode="Opaque">
or this
//Fix z-index youtube video embedding
$(document).ready(function (){
$('iframe').each(function(){
var url = $(this).attr("src"...
Has anyone ever got a remote JMX JConsole to work?
...ur Java process.
You need access to your linux machine via SSH login. All Communication will be tunneled over the SSH connection.
TIP: This Solution works no matter if there is a firewall or not.
Disadvantage: Everytime you restart your java process, you will need to do all steps from 4 - 9 again...
How can one check to see if a remote file exists using PHP?
...od via CURLOPT_NOBODY.
More or less
$ch = curl_init("http://www.example.com/favicon.ico");
curl_setopt($ch, CURLOPT_NOBODY, true);
curl_exec($ch);
$retcode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
// $retcode >= 400 -> not found, $retcode = 200, found.
curl_close($ch);
Anyway, you only s...
Inject errors into already validated form?
...
@scompt: thanks, fixed. @Weeble: _errors is part of the public form API, despite its name; see insin's answer for a docs link.
– John Millikin
May 21 '10 at 20:38
...
Rails params explained?
Could anyone explain params in Rails controller: where they come from, and what they are referencing?
5 Answers
...
How to create loading dialogs in Android?
...gressDialog, with setIndeterminate(true).
From http://developer.android.com/guide/topics/ui/dialogs.html#ProgressDialog
ProgressDialog dialog = ProgressDialog.show(MyActivity.this, "",
"Loading. Please wait...", true);
An indeterminate progress bar doesn't actually show a ...
Facebook development in localhost
...nd one called MyApp-dev.
Create a new app at https://developers.facebook.com/apps
(New 2/15/2012) Click the Website checkbox under 'Select how your application integrates with Facebook'
(In the recent Facebook version you can find this under Settings > Basic > Add Platform - Then select webs...
Node.js Logging
...
@TravisWebb - github.com/flatiron/winston/issues/294 & github.com/flatiron/winston/issues/280
– ostergaard
Nov 18 '13 at 10:45
...
Android emulator freezing OS X v10.9 (Mavericks) with HAXM
...start up any of my emulators, as soon as the emulator starts up, my entire computer freezes with a spinning progress indicator in the center of the screen (not a beachball, the progress indicator is similar to what you see when shutting down, but the screen hasn't faded to grey).
...