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StringIO in Python3
...
In order to make examples from here
work with Python 3.5.2, you can rewrite as follows :
import io
data =io.BytesIO(b"1, 2, 3\n4, 5, 6")
import numpy
numpy.genfromtxt(data, delimiter=",")
The reason for the change may be tha...
Seeking clarification on apparent contradictions regarding weakly typed languages
...o". If the developer is wrong, then the runtime will throw an exception in order to protect type safety. If the developer wishes to break type safety or memory safety, they can do so by turning off the type safety system by making an "unsafe" block. In an unsafe block you can use pointer magic to tr...
Why is processing a sorted array faster than processing an unsorted array?
...so the compiler can emit code suited to that). In your example, the out-of-order 3 will lead to a branch-misprediction (for appropriate conditions, where 3 gives a different result than 1000), and thus processing that array will likely take a couple dozen or hundred nanoseconds longer than a sorted ...
android get all contacts
... = {}; //Selection criteria
String sortOrder = null; //The sort order for the returned rows
return new CursorLoader(
getApplicationContext(),
contactsUri,
projection,
...
How do you serialize a model instance in Django?
...h trying to serialize a single object, not a list of objects. That way, in order to get rid of different hacks, just use Django's model_to_dict (if I'm not mistaken, serializers.serialize() relies on it, too):
from django.forms.models import model_to_dict
# assuming obj is your model instance
dic...
Can I use a :before or :after pseudo-element on an input field?
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Nice option to go with in order to solve the problem.
– Jester
May 30 '19 at 16:13
add a comment
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Why are regular expressions so controversial? [closed]
...ad and say that I am still amazed at the lengths that people will go to in order to make regex usable.
– Slater Victoroff
Jan 24 '15 at 19:39
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Virtual Memory Usage from Java under Linux, too much memory used
...urce, and might have to make tradeoffs, such as reducing your heap size in order to memory-map a large file or create lots of threads.
But, given that 64-bit machines are ubiquitous, I don't think it will be long before Virtual Memory Size is a completely irrelevant statistic.
When is Resident Set...
Is it possible to use Java 8 for Android development?
...-fledge Android device running on a x86 or x64 based personal computer. In order to use Google services like Google PlayStore on this virtual device, a gapps image for the Android version that it uses must be flashed onto the device. A proper gapps image for the device might be downloaded from Cyano...
Multiple working directories with Git?
...red to by a main worktree's HEAD, even if that main worktree is bare.
In order to avoid that, also check core.bare when setting is_bare.
If core.bare=1, trust it, and otherwise, use is_bare_repository().
With Git 2.29 (Q4 2020), the "worktree" API offers a better determination of a worktree path...