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In order to hide a class is a class is visable the following is used. Below will hide the div id #bannerad is the class .back is visible. $(document).ready(function(){ if ($(‘.back’).is(“:visible”) == true) $( “#bannerad” ).hide(); });
What is ? Auto-Scaling is a concept within cloud computing that can mean one of two things: Auto-Scaling is a process of virtualization resource automation wherein a cloud service provider will scale the resources of a client’s hosting environment to meet the demand being placed on that environment. In common terms, auto-scaling means a provider … Read more
Within this example we will check if the same item exists across 2 sets. If so then a boolean is returned, >>> s1 = set([1, 2, 3])>>> s2 = set([3, 4, 5])>>> bool(set(s1) & set(s2))True
The other day I was reading about the benefits and new features within HTTP 2.0. One of the key features to HTTP2.0 is the ability to interleave (i.e multiplex) multiple requests and responses across a single TCP connection. Resulting in Domain Sharding being considered counterproductive. However, based on how Domain Sharding and HTTP Pipelining can … Read more
ovs-vsctl – utility to manage configuration state in ovsdb-server bridge management port management controller management failure mode management ovs-appctl – send commands to ovs-vswitchd ovs-dpctl – Tool to manage datapaths in the kernel directly. Direct management only reallu required when there is no ovs-vswitchd Mostly useful for inspecting kernel … Read more
What is AFM ? Introduced within 11.3, AFM (Advanced Firewall Manager) is a licensed module for the BIGIP appliance that provides stateful firewalling along with reporting and DoS protection. Within this article we will look at AFMs key components and also how it processes traffic. Contexts A context defines the scope of a firewall rule. … Read more
TCP Normalization To provide protection from attacks, the Cisco ASA provides a feature called TCP normalization. TCP normalization is enabled by default and can detect abnormal packets. Once detected these packets can be either allowed, dropped or cleared of its abnormalities. To configure the TCP normalizer changes are made within the tcp-map. The tcp-map is … Read more
The are times were you may need to print the location of a python module. There are a number of ways to achieve this. However the most simplistic method have found is to use ‘inspect’. Below shows you an a example, >>> import inspect>>> import urllib2>>>>>> print inspect.getfile(urllib2)/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/urllib2.pyc
Wireshark provides the ability to calculate the amount of time between packets. This data can then be used within the IO graphing tool of Wireshark to create a visual representation which can be used when troubleshooting networking issues. Within this article we will show you how to create the TCP delta column, the TCP preferences … Read more