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Upgrade python in a virtualenv
...l need to see your virtualenv version).
If your virtualenv is installed with the same python version of the old one and upgrading your virtualenv package is not an option, you may want to read this in order to install a virtualenv with the python version you want.
EDIT
I've tested this approach ...
Using querySelector with IDs that are numbers
...
It is valid, but requires some special handling. From here: http://mathiasbynens.be/notes/css-escapes
Leading digits
If the first character of an identifier is numeric, you’ll need to escape it based on its Unicod...
Sending a JSON to server and retrieving a JSON in return, without JQuery
...ngify) to the server and to retrieve the resulting JSON on the user side, without using JQuery.
2 Answers
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Why do I want to avoid non-default constructors in fragments?
I am creating an app with Fragments and in one of them, I created a non-default constructor and got this warning:
6 Answe...
What is the largest Safe UDP Packet Size on the Internet
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It is true that a typical IPv4 header is 20 bytes, and the UDP header is 8 bytes. However it is possible to include IP options which can increase the size of the IP header to as much as 60 bytes. In addition, sometimes it i...
Turning live() into on() in jQuery
...e^="income_type_"]', function() {
alert($(this).val());
});
Although it is better if you bind the event handler as close as possible to the elements, that is, to an element being closer in the hierarchy.
Update: While answering another question, I found out that this is also mentioned in the ...
What are the options for storing hierarchical data in a relational database? [closed]
...
My favorite answer is as what the first sentence in this thread suggested. Use an Adjacency List to maintain the hierarchy and use Nested Sets to query the hierarchy.
The problem up until now has been that the coversion method from...
What is the difference between a thread and a fiber?
...erative threads. Both are separate execution paths for your application.
With threads: the current execution path may be interrupted or preempted at any time (note: this statement is a generalization and may not always hold true depending on OS/threading package/etc.). This means that for threads, ...
What does Provider in JAX-RS mean?
...vider’ annotation does? I have been reading documentation but I cant get it.
If there are resource classes that service the incoming requests, what do Providers do? How are they different from singleton resource classes when I create a persistent resource class (the one that is not per-request)?...
Is there a Java reflection utility to do a deep comparison of two objects?
I'm trying to write unit tests for a variety of clone() operations inside a large project and I'm wondering if there is an existing class somewhere that is capable of taking two objects of the same type, doing a deep comparison, and saying if they're identical or not?
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