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Schrödingers MySQL table: exists, yet it does not
I am having the weirdest error of all.
11 Answers
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android.view.InflateException: Binary XML file: Error inflating class fragment
...DownVoter: this error is confuse. And I luckily find the way to fix. I'm really sorry if my post cannot fix your error because I also cannot explain why. But I think it should not receive a down vote. :)
– hqt
Jun 25 '14 at 10:40
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Overriding id on create in ActiveRecord
...why you can't use mass-assignment to set it. However, when setting it manually, it just works:
o = SomeObject.new
o.id = 8888
o.save!
o.reload.id # => 8888
I'm not sure what the original motivation was, but I do this when converting ActiveHash models to ActiveRecord. ActiveHash allows you to...
Java HTTPS client certificate authentication
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Finally managed to solve all the issues, so I'll answer my own question. These are the settings/files I've used to manage to get my particular problem(s) solved;
The client's keystore is a PKCS#12 format file containing
The c...
What is the difference between map and flatMap and a good use case for each?
...ark-shell session:
First, some data - two lines of text:
val rdd = sc.parallelize(Seq("Roses are red", "Violets are blue")) // lines
rdd.collect
res0: Array[String] = Array("Roses are red", "Violets are blue")
Now, map transforms an RDD of length N into another RDD of length N.
For examp...
jQuery: Return data after ajax call success [duplicate]
I have something like this, where it is a simple call to a script that gives me back a value, a string..
5 Answers
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How do I use itertools.groupby()?
I haven't been able to find an understandable explanation of how to actually use Python's itertools.groupby() function. What I'm trying to do is this:
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Nested attributes unpermitted parameters
... Person . I want a form that can create the Bill and its children Dues all in one page. I am trying to create a form using nested attributes, similar to ones in this Railscast .
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Select elements by attribute
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@rinogo: actually all you need is if($(":checkbox[myattr]").length) . The () after length is not necessary, neither is the > 0, 0 evaluates to false in equality tests that do not require strict equality (both value and type).
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python setup.py uninstall
I have installed a python package with python setup.py install .
16 Answers
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