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How do I use jQuery's form.serialize but exclude empty fields
...all :input element types have value attributes even selects and checkboxes etc.
Finally to also remove inputs where the value was '.' (as mentioned in the question):
$("#myForm :input[value!=''][value!='.']").serialize()
In this case juxtaposition, ie placing two attribute selectors next to each...
Any implementation of Ordered Set in Java?
... default collections based on skip lists (like, say, ConcurrentSkipListSet etc.).
– TacticalCoder
Jan 3 '12 at 12:55
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How do you add CSS with Javascript?
...nce solution your newly added CSS might be overwritten by the second/third/etc. stylesheet on the page. Using document.body.appendChild(css); you make sure the new CSS always is the last rule.
– AvL
Aug 2 '16 at 14:33
...
Apache redirect to another port
...ot, just making sure). And, what config file would this be? (somewhere in /etc/httpd/conf I'm guessing...)
– Jeremy
Apr 1 '15 at 18:21
1
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How to solve error “Missing `secret_key_base` for 'production' environment” (Rails 4.1)
...server
If you login as the root user, find this file and edit it:
$ vi /etc/profile
Go to the bottom of the file using Shift+G (capital "G") in vi.
Write your environment variable with the GENERATED_CODE, pressing i to insert in vi. Be sure to be in a new line at the end of the file:
$ export...
Force R not to use exponential notation (e.g. e+10)?
...eful for e.g. default package loads, data.table configuration, environment etc. Again, that config can run to a page of settings, and there's zero chance you'll remember those and their syntax and type them in
share
...
What is the (best) way to manage permissions for Docker shared volumes?
...permissions, think about how to do whatever you need -- backups, browsing, etc. -- via another container. The containers themselves need to use consistent uid/gids, but they don't need to map to anything on the host, thereby remaining portable.
This is relatively new for me as well but if you have ...
How to paste yanked text into the Vim command line
...een deleted goes to register 1, what was in register 1 goes to register 2, etc.),
" (default register, also known as unnamed register. This is where the " comes in Ctrl-R, "),
a to z for your own use (capitalized A to Z are for appending to corresponding registers).
_ (acts like /dev/null (Unix) or ...
What is the best way to unit test Objective-C code?
...s is an old question, but if you prefer BDD-style testing (rspec, Jasmine, etc.) over xUnit-style testing (Test::Unit, JSUnit, JUnit, etc.), then you may consider checking out Cedar. Cedar brings BDD-style testing to Objective-C, now that the language supports closures.
We're happily using Cedar fo...
Python: most idiomatic way to convert None to empty string?
... Uses the fact that python treats None, an empty list, an empty string, 0, etc as false. Also uses the fact that the or statement returns the first element that is true or the last element given to the or (or groups of ors). Also this uses lambda functions. I would give you +10 but obviously it ...