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What's the idiomatic syntax for prepending to a short python list?
...d Hettinger
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What are '$$' used for in PL/pgSQL
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137
The dollar signs are used for dollar quoting and are in no way specific to function definition...
Java 8: Where is TriFunction (and kin) in java.util.function? Or what is the alternative?
.... So if you like to see what the functions return for y := 1, y := 2, y := 3 you
have to write f(1,1) , f(1,2) , f(1,3).
In Java 8, constructive functions should be handled (most of the time) by using method references because there's not much advantage of using a constructive lambda function. The...
differences between 2 JUnit Assert classes
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The old method (of JUnit 3) was to mark the test-classes by extending junit.framework.TestCase. That inherited junit.framework.Assert itself and your test class gained the ability to call the assert methods this way.
Since version 4 of JUnit, the fr...
Force point (“.”) as decimal separator in java
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answered Mar 8 '11 at 17:32
Jon SkeetJon Skeet
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Retain precision with double in Java
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153
As others have mentioned, you'll probably want to use the BigDecimal class, if you want to have ...
Remove an item from a dictionary when its key is unknown
...not do what you want:
>>> some_dict = {1: "Hello", 2: "Goodbye", 3: "You say yes", 4: "I say no"}
>>> value_to_remove = "You say yes"
>>> some_dict = {key: value for key, value in some_dict.items() if value is not value_to_remove}
>>> some_dict
{1: 'Hello', 2: 'G...
How do I keep track of pip-installed packages in an Anaconda (Conda) environment?
...p packages:
name: stats
channels:
- javascript
dependencies:
- python=3.4
- bokeh=0.9.2
- numpy=1.9.*
- nodejs=0.10.*
- flask
- pip:
- Flask-Testing
If you're looking to follow through with exporting the environment, move environment.yml to the new host machine and run:
conda e...
Return first N key:value pairs from dict
...t(islice(iterable, n))
See it working online: ideone
Update for Python 3.6
n_items = take(n, d.items())
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How can I read a function's signature including default argument values?
...h',))
However, note that inspect.getargspec() is deprecated since Python 3.0.
Python 3.0--3.4 recommends inspect.getfullargspec().
Python 3.5+ recommends inspect.signature().
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