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Iterate two Lists or Arrays with one ForEach statement in C#
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Here's an article on it: community.bartdesmet.net/blogs/bart/archive/2008/11/03/…
– James Kolpack
Dec 23 '09 at 23:01
2
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Avoiding memory leaks with Scalaz 7 zipWithIndex/group enumeratees
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“Unable to find remote helper for 'https'” during git clone
I am unable to clone HTTPS repositories. I can clone SSH repos fine, but not HTTPS repos. I cannot test the GIT protocol since I am behind a corporate firewall.
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Unit testing that events are raised in C# (in order)
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What is the difference between .text, .value, and .value2?
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Can comments be used in JSON?
Can I use comments inside a JSON file? If so, how?
53 Answers
53
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Checking network connection
...his:
import urllib2
def internet_on():
try:
urllib2.urlopen('http://216.58.192.142', timeout=1)
return True
except urllib2.URLError as err:
return False
Currently, 216.58.192.142 is one of the IP addresses for google.com. Change http://216.58.192.142 to whatever ...
jQuery event to trigger action when a div is made visible
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With the release of IE11, all major browsers support this feature, check http://caniuse.com/mutationobserver
The example code is a follows:
$(function() {
$('#show').click(function() {
$('#testdiv').show();
});
var observer = new MutationObserver(function(mutations) {
alert('Att...
PHP check whether property exists in object or class
... and if it's null too, you can use the function property_exists().
Docs: http://php.net/manual/en/function.property-exists.php
As opposed with isset(), property_exists() returns TRUE even if the property has the value NULL.
bool property_exists ( mixed $class , string $property )
Example:
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How to print third column to last column?
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awk '{ print substr($0, index($0,$3)) }'
solution found here:
http://www.linuxquestions.org/questions/linux-newbie-8/awk-print-field-to-end-and-character-count-179078/
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