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How do I see if Wi-Fi is connected on Android?
...er = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo mWifi = connManager.getNetworkInfo(ConnectivityManager.TYPE_WIFI);
if (mWifi.isConnected()) {
// Do whatever
}
NOTE: It should be noted (for us n00bies here) that you need to add
<uses-permission androi...
Pinging servers in Python
... the connection fails. (The return value actually differs depending on the network error.) You could also change the ping timeout (in seconds) using the '-t' option. Note, this will output text to the console.
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OS X Bash, 'watch' command
...Alternately, Homebrew can install the watch from http://procps.sourceforge.net/:
brew install watch
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Get encoding of a file in Windows
...informed our export files were in UTF-8 and they required ANSI. It was a onetime export, so Notepad fit the bill for me.
FYI: From my understanding I think "Unicode" (as listed in Notepad) is a misnomer for UTF-16.
More here on Notepad's "Unicode" option: Windows 7 - UTF-8 and Unicdoe
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How to get JQuery.trigger('click'); to initiate a mouse click
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See my demo: http://jsfiddle.net/8AVau/1/
jQuery(document).ready(function(){
jQuery('#foo').on('click', function(){
jQuery('#bar').simulateClick('click');
});
});
jQuery.fn.simulateClick = function() {
return this.each(function() {...
How can I avoid running ActiveRecord callbacks?
... of Rails. It works for us well. Check it out in my blog post: railsguides.net/2014/03/25/skip-callbacks-in-tests
– ka8725
Apr 11 '14 at 9:01
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string.charAt(x) or string[x]?
...object. I know that's not really relevant, but still worth noting.jsfiddle.net/mdasxxd2
– Siderite Zackwehdex
Jul 25 '16 at 10:51
5
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How to drop all user tables?
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Another answer that worked for me is (credit to http://snipt.net/Fotinakis/drop-all-tables-and-constraints-within-an-oracle-schema/)
BEGIN
FOR c IN (SELECT table_name FROM user_tables) LOOP
EXECUTE IMMEDIATE ('DROP TABLE "' || c.table_name || '" CASCADE CONSTRAINTS');
END LOOP;
FOR ...
Regular expression to find URLs within a string
... an entire string for URLs. For example, I would like to be able to find www.google.com and http://yahoo.com in the following string:
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How to escape indicator characters (i.e. : or - ) in YAML
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Quotes:
"url: http://www.example-site.com/"
To clarify, I meant “quote the value” and originally thought the entire thing was the value. If http://www.example-site.com/ is the value, just quote it like so:
url: "http://www.example-site.com...