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How can I represent an 'Enum' in Python?
...TWO')
>>> Numbers.ZERO
0
>>> Numbers.ONE
1
Support for converting the values back to names can be added this way:
def enum(*sequential, **named):
enums = dict(zip(sequential, range(len(sequential))), **named)
reverse = dict((value, key) for key, value in enums.iteritems(...
Python: Why is functools.partial necessary?
...h lambdas?
Not much in terms of extra functionality (but, see later) – and, readability is in the eye of the beholder.
Most people who are familiar with functional programming languages (those in the Lisp/Scheme families in particular) appear to like lambda just fine – I say "most", definitely...
Write string to output stream
...fer binary data. If you want to write a string to a stream, you must first convert it to bytes, or in other words encode it. You can do that manually (as you suggest) using the String.getBytes(Charset) method, but you should avoid the String.getBytes() method, because that uses the default encoding ...
How to change color in markdown cells ipython/jupyter notebook?
...stand what you mean by 'conversion of the notebook to latex'. I am able to convert part of the text in span to latex and jupyter renders the latex in red.
– Shishir Pandey
Aug 11 '15 at 15:59
...
Resizing an Image without losing any quality [closed]
...d start with a Bitmap image that is, say, twice as large as it needs to be and then scale down. The resulting image should be pretty smooth.
– Pretzel
Nov 21 '08 at 20:54
2
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How to calculate md5 hash of a file using javascript
...
CryptoJS now supports converting from an ArrayBuffer to Binary/WordArray via: CryptoJS.lib.WordArray.create(arrayBuffer);
– Warren Parad
Jan 8 '18 at 20:43
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ImageView - have height match width?
...ording to a comment below, the percent support library is deprecated as of Android Support Library 26.0.0. This is the new way to do it:
<android.support.constraint.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<ImageView
an...
How does a ArrayList's contains() method evaluate objects?
Say I create one object and add it to my ArrayList . If I then create another object with exactly the same constructor input, will the contains() method evaluate the two objects to be the same? Assume the constructor doesn't do anything funny with the input, and the variables stored in both objec...
How to create a drop-down list?
...
Best way to do it is:
Preview:
XML:
<Spinner
android:id="@+id/spinner1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="@android:drawable/btn_dropdown"
android:spinnerMode="dropdown"/>
Java:
//get the sp...
@import vs #import - iOS 7
... header files anyway.
So leaving the #import will be just the same as its converted to a module import where possible anyway
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