大约有 3,285 项符合查询结果（耗时：0.0135秒） [XML]
How to get last items of a list in Python?
...
Slicing
Python slicing is an incredibly fast operation, and it's a handy way to quickly access parts of your data.
Slice notation to get the last nine elements from a list (or any other sequence that supports it, like a string) would look like this:
num_list[-9:...
iOS app error - Can't add self as subview
...rders, and some things that used to be more or less synchronous now return fast but schedule things to get done on background asynchronously, creating lots of new timing bugs like these. Thanks, Apple!
– RobP
Nov 7 '14 at 16:28
...
Efficiency of premature return in a function
...
Optimizers are not smarter than you!!! They are only faster at deciding where the impact does not matter to much. Where it really matters you will most certainly with some experience optimize better than the compiler.
– johannes
Oct 25 '11...
Entity Attribute Value Database vs. strict Relational Model Ecommerce
... prefix-compression to on the attribute name repetitions, making it really fast and compact.
EAV/CR gets ugly when you use it to replace 'real' fields. As with every tool, overusing it is 'bad', and gives it a bad image.
s...
How is a tag different from a branch in Git? Which should I use, here?
...ou are really in an SVN mindset, in which case you need to "un-learn" that fast if you want to go on with git).
– VonC
Feb 16 '12 at 5:00
20
...
How do I prevent site scraping? [closed]
...em ineffective. You could also show a captcha if actions are completed too fast or faster than a real user would.
Detect unusual activity:
If you see unusual activity, such as many similar requests from a specific IP address, someone looking at an excessive number of pages or performing an unusual ...
What are dictionary view objects?
...tionary keys at a given point in time, while a view is dynamic and is much faster to obtain, as it does not have to copy any data (keys or values) in order to be created.
share
|
improve this answer...
What is the best (and safest) way to merge a Git branch into master?
...ull
git merge --no-ff --no-commit test
Test merge before commit, avoid a fast-forward commit by --no-ff,
If conflict is encountered, we can run git status to check details about the conflicts and try to solve
git status
Once we solve the conflicts, or if there is no conflict, we commit and pu...
Assign width to half available screen width declaratively
...hich i see in the Legacy section in Android Studio. Your answer is simple, fast and very user friendly. Thanks you very very much.
– Claudiu Razlet
Sep 18 at 21:21
add a comme...
What is the difference between Python's list methods append and extend?
...
@AstitvaSrivastava Actually, I think extend is faster in terms of bytecode
– MilkyWay90
Dec 21 '18 at 16:22
1
...