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vagrant up failed, /dev/vboxnetctl: no such file or directory
Can be useful, I found this error. The common solution is reinstall virtualbox but there are a better way.
8 Answers
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How to redirect output to a file and stdout
In bash, calling foo would display any output from that command on the stdout.
10 Answers
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Get the size of the screen, current web page and browser window
... screenHeight , pageX , pageY , screenX , screenY which will work in all major browsers?
19 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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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...
Java: recommended solution for deep cloning/copying an instance
...t hierarchy):
commons-lang SerializationUtils - using serialization - if all classes are in your control and you can force implementing Serializable.
Java Deep Cloning Library - using reflection - in cases when the classes or the objects you want to clone are out of your control (a 3rd party libra...
Schrödingers MySQL table: exists, yet it does not
I am having the weirdest error of all.
11 Answers
11
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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...
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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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...