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What are type lambdas in Scala and what are their benefits?
... specify one of the types; the other of course is supplied at the time you call point or bind.
The type lambda trick exploits the fact that an empty block in a type position creates an anonymous structural type. We then use the # syntax to get a type member.
In some cases, you may need more sophis...
Recommended way to stop a Gradle build
...you don't have any desire to be able to catch the exception later on is to call the ant fail task. It's slightly easier to read in my opinion and you can give a nice message to the user without use of --stacktrace.
task (tarball, dependsOn: warAdmin) << {
ant.fail('The sky is falling!!')...
UnicodeDecodeError when redirecting to file
...in byte chunks. The necessary process that converts characters to bytes is called encoding. Thus, a computer requires an encoding in order to represent characters. Any text present on your computer is encoded (until it is displayed), whether it be sent to a terminal (which expects characters encod...
Adding 'serial' to existing column in Postgres
... ^ ^
-- is_called
Setting the optional third parameter of setval to false will prevent the next nextval from advancing the sequence before returning a value, and thus:
the next nextval will return exactly the specified value, and sequ...
How do I explicitly specify a Model's table-name mapping in Rails?
I have a Model class called Countries and I want it to map to a DB table called 'cc'.
2 Answers
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Python - When to use file vs open
... is going away.
file is the actual type (using e.g. file('myfile.txt') is calling its constructor). open is a factory function that will return a file object.
In python 3.0 file is going to move from being a built-in to being implemented by multiple classes in the io library (somewhat similar to J...
How to convert lazy sequence to non-lazy in Clojure
...
I believe you just call realized?.
– toofarsideways
Feb 1 '12 at 2:40
1
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Encoding an image file with base64
...image_data="+repr(image_data))
...
Now the image is stored as a variable called image_data in a file called image.py
Start a fresh interpreter and import the image_data
>>> from image import image_data
>>>
...
How to describe “object” arguments in jsdoc?
...*
* @typedef {Object} Person
* @property {string} name how the person is called
* @property {number} age how many years the person lived
*/
You can then use this in a @param tag:
/**
* @param {Person} p - Description of p
*/
Or in a @returns:
/**
* @returns {Person} Description
*/
Fo...
Exporting functions from a DLL with dllexport
...
I used this to compile a DLL with VS and then call it from R using .C. Great!
– Juancentro
Feb 22 '15 at 19:17
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