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cannot load such file — zlib even after using rvm pkg install zlib
...
I ended up installing zlib from apt-get and then reinstalling ruby to not use the rvm directory for zlib.
Here's how do:
$ sudo apt-get install zlib1g-dev
$ rvm reinstall 1.9.3
[Edit] As commenter @chrisfinne mentions, on CentOS/RedHat based system...
Is it possible to read the value of a annotation in java?
... to be explicitly provided with a class name? Can it be made to pick it up from the context; 'this'??
– 5122014009
Sep 17 '14 at 6:40
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Spring Data JPA - “No Property Found for Type” Exception
...hods defined by the interfaces and tries to automatically generate queries from the method name. While this has limitations, it is a very powerful and elegant way of defining new custom access methods with very little effort.
For example, if the managed entity has a name field (and the Java Bean sta...
Submitting the value of a disabled input field
...Disable an Input Field on a
form and when i submit the form the
values from the disabled form is not
submitted.
Use Case: i am trying to get Lat Lng
from Google Map and wanna Display it..
but dont want the user to edit it.
You can use the readonly property in your input field
<i...
How to implement a Map with multiple keys? [duplicate]
... I think this unswer is wrong. There is no way to get a value from commons MultiKeyMap just by using a second key. You always need to specify both key1 and key2. Why did this answer get so many up votes???
– Dime
Jun 25 '14 at 7:02
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What’s the difference between ScalaTest and Scala Specs unit test frameworks?
...
The main differences are (mostly from a specs point of view :-) ):
ScalaTest provides more "testing styles" than specs (you can visit each bullet point on the quick start page to get a detailed view on each style)
ScalaTest and specs have a different set o...
How to initialize const member variable in a class?
... @Chaitanya: C++11 Non-static member initializers are implemented from gcc 4.7.
– Jesse Good
Jan 24 '13 at 7:31
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window.location.href and window.open () methods in JavaScript
...on.href property. You can also get specific protocol, hostname, hashstring from window.location object.
See Location Object for more information.
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matplotlib colorbar for scatter
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From the matplotlib docs on scatter 1:
cmap is only used if c is an array of floats
So colorlist needs to be a list of floats rather than a list of tuples as you have it now.
plt.colorbar() wants a mappable object, like...
An efficient way to transpose a file in Bash
...hape function in APL, comes with BSDs and OS X, but it should be available from package managers on other platforms.
A second option is to use Ruby:
ruby -e'puts readlines.map(&:split).transpose.map{|x|x*" "}'
A third option is to use jq:
jq -R .|jq -sr 'map(./" ")|transpose|map(join(" "))[...