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Good examples of Not a Functor/Functor/Applicative/Monad?
...tructor that's Applicative but not a Monad, a very common example would be ZipList.
– John L
Aug 5 '12 at 23:52
23
...
What are “named tuples” in Python?
... __slots__ = ()
def __init__(self, *args):
for slot, arg in zip(self.__slots__, args):
setattr(self, slot, arg)
def __repr__(self):
return type(self).__name__ + repr(tuple(self))
# more direct __iter__ than Sequence's
def __iter__(self):
for na...
App Inventor 2 UrsAI2UDP 拓展 - UDP广播通信协议 · App Inventor 2 中文网
...yTest)
« 返回首页 Iot 专题
拓展下载：
UrsAI2UDP.zip
demo下载：
CLOUD_REMOTE_VIDEO_CAR.aia
原作者开发动机
对于一个项目，应该开发一个与 ESP8266（项目）通信的 Android 应用程序。为了轻松开发应用程序，...
How to get different colored lines for different plots in a single figure?
... [14]: fig, axes = plt.subplots(2,3)
In [15]: for ax, short_color_name in zip(axes.flatten(), 'brgkyc'):
...: ax.plot((0,1), (0,1), short_color_name)
Another possibility is to instantiate a cycler object
from cycler import cycler
my_cycler = cycler('color', ['k', 'r']) * cycler('linewi...
Reverse a string in Python
...gecolor='k')
sns.set(style="whitegrid")
sorted_keys, sorted_vals = zip(*sorted(duration_list.items(),
key=operator.itemgetter(1)))
flierprops = dict(markerfacecolor='0.75', markersize=1,
linestyle='none')
ax = sns.boxpl...
How do I make a Git commit in the past?
...ort-directories.perl from Git’s contrib/ (or import-tars.perl, or import-zips.py…) to create a new Git repository from your snapshots (even with “old” timestamps). The rebase/filter-branch techniques in my answer are only needed if you want to insert a file that was “left out” of an exis...
Difference between Python's Generators and Iterators
...way:
>>> stop = 4
>>> for i, y1, y2, y3 in zip(range(stop), Yes(stop), yes(stop),
('yes' for _ in range(stop))):
... print('{0}: {1} == {2} == {3}'.format(i, y1, y2, y3))
...
0: yes == yes == yes
1: yes == yes == yes
2: yes == ye...
Should I avoid the use of set(Preferred|Maximum|Minimum)Size methods in Java Swing?
... addField("Address:");
addField("City:");
addField("Zip Code:");
addField("Phone:");
addField("Email Id:");
KeyboardFocusManager.getCurrentKeyboardFocusManager()
.addPropertyChangeListener("permanentFocusOwner",
new FocusDrivenSc...
Apache Spark: map vs mapPartitions?
...mon", "salmon", "rat", "elephant"), 3)
val b = a.map(_.length)
val c = a.zip(b)
c.collect
res0: Array[(String, Int)] = Array((dog,3), (salmon,6), (salmon,6), (rat,3), (elephant,8))
mapPartitions
This is a specialized map that is called only once for each partition.
The entire content of...
Various ways to remove local Git changes
...en scripting deployment, and you want to clean your code before deploying, zipping or whatever.
Git clean will not touch files, that are already being tracked.
Checkout "dot"
git checkout .
I had actually never seen this notation before reading your post. I'm having a hard time finding document...