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What is Data Transfer Object?
...Transfer Object is an object that is used to encapsulate data, and send it from one subsystem of an application to another.
DTOs are most commonly used by the Services layer in an N-Tier application to transfer data between itself and the UI layer. The main benefit here is that it reduces the amoun...
ImportError: No module named PIL
...rsions of) PIL.
You can get more information about how to use this module from the official tutorial.
PS: In fact, on some installs, import PIL does work, which adds to the confusion. This is confirmed by an example from the documentation, as @JanneKarila found out, and also by some more recent ve...
Conda: Installing / upgrading directly from github
Can I install/upgrade packages from GitHub using conda ?
4 Answers
4
...
Which @NotNull Java annotation should I use?
...we can do is to find a pragmatic solution and mine is as follows:
Syntax
From a purely stylistic standpoint I would like to avoid any reference to IDE, framework or any toolkit except Java itself.
This rules out:
android.support.annotation
edu.umd.cs.findbugs.annotations
org.eclipse.jdt.annotat...
Difference between case object and object
...
Case classes differ from regular classes in that they get:
pattern matching support
default implementations of equals and hashCode
default implementations of serialization
a prettier default implementation of toString, and
the small amount of...
Pairs from single list
...
My favorite way to do it:
from itertools import izip
def pairwise(t):
it = iter(t)
return izip(it,it)
# for "pairs" of any length
def chunkwise(t, size=2):
it = iter(t)
return izip(*[it]*size)
When you want to pair all elements you...
Check whether user has a Chrome extension installed
... hmmm chrome.extension.connect only seems to work when executed from within the extension (or any extension). I need it to work from any random js script. Any ideas?
– user179169
Jun 9 '11 at 13:55
...
Get java.nio.file.Path object from java.io.File
Is it possible to get a Path object from a java.io.File ?
4 Answers
4
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How to name factory like methods?
...y.
'Generate' to me implies a calculation which is used to produce a value from an input, such as generating a hash code or a random number.
'Produce', 'Generate', 'Construct' are longer to type/read than 'Create'. Historically programmers have favoured short names to reduce typing/reading.
...
Converting string into datetime
...ts of formats, with the format determined by a format string you give it:
from datetime import datetime
datetime_object = datetime.strptime('Jun 1 2005 1:33PM', '%b %d %Y %I:%M%p')
The resulting datetime object is timezone-naive.
Links:
Python documentation for strptime: Python 2, Python 3
P...