大约有 15,467 项符合查询结果（耗时：0.0260秒） [XML]
Efficient way to determine number of digits in an integer
...ll be mostly small ones (I'm guessing less than 100,000), then reverse the tests: if (x < 10) return 1; if (x < 100) return 2; etc., so that the function will do less tests and exit faster.
– squelart
Sep 28 '09 at 23:44
...
WKWebView not loading local files under iOS 8
...-around here. IMO code shown in https://github.com/shazron/WKWebViewFIleUrlTest is full of unrelated details most people are probably not interested in.
The work-around is 20 lines of code, error handling and comments included, no need of a server :)
func fileURLForBuggyWKWebView8(fileURL: URL) th...
C# DateTime.Now precision
...n into some unexpected behavior with DateTime.UtcNow while doing some unit tests. It appears that when you call DateTime.Now/UtcNow in rapid succession, it seems to give you back the same value for a longer-than-expected interval of time, rather than capturing more precise millisecond increments.
...
Date ticks and rotation in matplotlib
...ail_plot calls, eg
plt.xticks(rotation=70)
avail_plot(axs[0], dates, s1, 'testing', 'green')
avail_plot(axs[1], dates, s1, 'testing2', 'red')
This sets the rotation property before setting up the labels. Since you have two axes here, plt.xticks gets confused after you've made the two plots. At th...
C# “as” cast vs classic cast [duplicate]
...application domain semantics more naturally), readability and openness to testing are far weightier design objectives, because we're saving expensive developer time here, versus the nanoseconds that it takes to assemble a stack trace, etc.
– Evgeni Sergeev
Mar...
Pros and cons of AppSettings vs applicationSettings (.NET app.config / Web.config)
...an:
use different sets of config values for different environments (dev, test, prod)
provide for sensible defaults for each setting
control how values are defined and instantiated
It's tedious to set up but performs well, hides references to key names, and is strongly typed. This kind of patter...
What is the pythonic way to avoid default parameters that are empty lists?
...ing_list)
The docs say you should use None as the default and explicitly test for it in the body of the function.
share
|
improve this answer
|
follow
|
...
How to schedule a function to run every hour on Flask?
...roundScheduler
from flask import Flask
def sensor():
""" Function for test purposes. """
print("Scheduler is alive!")
sched = BackgroundScheduler(daemon=True)
sched.add_job(sensor,'interval',minutes=60)
sched.start()
app = Flask(__name__)
@app.route("/home")
def home():
""" Function ...
Best way to find if an item is in a JavaScript array? [duplicate]
...arching in arrays. They're pretty crude though, a full investigation would test arrays with different types, different lengths and finding objects that occur in different places.
share
|
improve thi...
Raise warning in Python without interrupting program
...
Thank you very much. And how then do I test that the Warning has been thrown using unittest? I cannot use assertRaises() anymore.
– Tomas Novotny
Oct 8 '10 at 15:14
...