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String formatting: % vs. .format vs. string literal
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To answer your second question, string formatting happens at the same time as any other operation - when the string formatting expression is evaluated. And Python, not being a lazy language, evaluates expressions before calling functions, so in your log.debug example, the expression "some debug...
How do you run your own code alongside Tkinter's event loop?
...f after(self, ms, func=None, *args):
"""Call function once after given time.
MS specifies the time in milliseconds. FUNC gives the
function which shall be called. Additional parameters
are given as parameters to the function call. Return
identifier to cancel scheduling with aft...
How to get the system uptime in Windows? [closed]
I am using windows 7 and xp. I want to know the uptime of the system.
3 Answers
3
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Converting between datetime, Timestamp and datetime64
How do I convert a numpy.datetime64 object to a datetime.datetime (or Timestamp )?
12 Answers
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How to use 'find' to search for files created on a specific date? [closed]
...tems (FreeBSD, OS/X...) -newerBt will match on the file's birth (creation) time.
– Stephane Chazelas
Jul 21 '14 at 13:20
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Best practices/performance: mixing StringBuilder.append with String.concat
...nal StringBuilder char[].
That being said you should use append() all the time and append raw strings (your first code snippet is correct).
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DateTime format to SQL format using C#
I am trying to save the current date time format from C# and convert it to an SQL Server date format like so yyyy-MM-dd HH:mm:ss so I can use it for my UPDATE query.
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Check if something is (not) in a list in Python
... at the start of the list, in evaluates faster:
lst = list(range(10001))
%timeit 1 in lst
%timeit 10000 in lst # Expected to take longer time.
68.9 ns ± 0.613 ns per loop (mean ± std. dev. of 7 runs, 10000000 loops each)
178 µs ± 5.01 µs per loop (mean ± std. dev. of 7 runs, 10000 loops eac...
Format date and time in a Windows batch script
...a Windows (Windows XP) batch script I need to format the current date and time for later use in files names, etc.
33 Answe...
java.util.regex - importance of Pattern.compile()?
... reason is to avoid creating the same Pattern object over and over. Every time you use one of the regex-powered methods in String (or the static matches() method in Pattern), it creates a new Pattern and a new Matcher. So this code snippet:
for (String s : myStringList) {
if ( s.matches("\\d+...