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Why is it said that “HTTP is a stateless protocol”?
...ecial meaning to their arriving over the same socket. That is solely a performance thing, intended to minimize the time/bandwidth that'd otherwise be spent reestablishing a connection for each request.
As far as HTTP is concerned, they are all still separate requests and must contain enough inform...
Passing A List Of Objects Into An MVC Controller Method Using jQuery Ajax
...MVC controller method, simply use the JSON.stringify({ 'things': things }) format.
I hope this helps someone else!
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Textarea Auto height [duplicate]
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Simple Inline JS solution <textarea class="form-control" onkeyup="$(this).height(5);$(this).height($(this).prop('scrollHeight'))"></textarea>
– jackkorbin
Jun 26 '17 at 7:22
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How do I get the find command to print out the file size with the file name?
...use a version of 'ls' or 'wc' to print out the filename along with other information. 'man find' will show you the available arguments to printf, which can do a lot more than just filesize.
[edit] -printf is not in the official POSIX standard, so check if it is supported on your version. However, m...
How can I tell which homebrew formulae are upgradable?
I know when I brew update , it lists all ==> Updated Formulae , but when I've updated several times without running brew upgrade , how do I get a list of all apps that could be upgraded?
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Fully custom validation error message with Rails
...o know which column the error is about, so I can display it at the correct form field.
– panzi
Feb 27 '13 at 18:34
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Dealing with multiple Python versions and PIP?
... recommendation because it works across all versions of Python, and in all forms of virtualenv. For example:
# The system default python:
$ python -m pip install fish
# A virtualenv's python:
$ .env/bin/python -m pip install fish
# A specific version of python:
$ python-3.6 -m pip install fish
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How to change a nullable column to not nullable in a Rails migration?
...umn => Time.now}, {:date_column => nil}). The query in your original form just made all my models have nil value in the field.
– dimitarvp
Aug 1 '12 at 12:16
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What is the 'instanceof' operator used for in Java?
...not sure what they are. Let's say you've got a collection of controls on a form. You want to read the checked state of whatever checkboxes are there, but you can't ask a plain old object for its checked state. Instead, you'd see if each object is a checkbox, and if it is, cast it to a checkbox and c...
javascript: Clear all timeouts?
...h is not required by specification). Althrough the starting number differs form browser to browser. It seems that Opera, Safari, Chrome and IE > 8 starts timeout ids from 1, Gecko-based browsers from 2 and IE <= 8 from some random number that is magically saved across tab refresh. You can disc...