大约有 30,000 项符合查询结果（耗时：0.0390秒） [XML]
How do I check if a string is unicode or ascii?
...hon 3, str is like Python 2's unicode, and is used to
store text. What was called str in Python 2 is called bytes in Python 3.
How to tell if a byte string is valid utf-8 or ascii
You can call decode. If it raises a UnicodeDecodeError exception, it wasn't valid.
>>> u_umlaut = b'\xc3\...
Starting python debugger automatically on error
...on and quick description of the error and exits. Is it possible to automatically start pdb when an error is encountered? I am not against having an extra import statement at the top of the file, nor a few extra lines of code.
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Go Error Handling Techniques [closed]
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@dystroy: OK, some say "it sux", others call it "errors are handled in return values. 70′s style.", and so on ;-)
– zzzz
Jun 6 '13 at 13:54
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How do you get a directory listing sorted by creation date in python?
...n you've link is wrong: it doesn't filter regular files. Note: my solution calls stat once per dir.entry.
– jfs
Jul 23 '15 at 14:43
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Pointers in C: when to use the ampersand and the asterisk?
...s work differently when you're working with arrays, strings or when you're calling functions with a pointer copy of a variable. It's difficult to see a pattern of logic inside all of this.
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Is there any Rails function to check if a partial exists?
..., true). This way, you don't need to hard-code the view directory into the call. Note, this is for partials. For non-partials, omit the last arg (or use false instead of true)
– Nathan Wallace
Jun 12 '17 at 14:45
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How can I get dict from sqlite query?
...e docs:
import sqlite3
def dict_factory(cursor, row):
d = {}
for idx, col in enumerate(cursor.description):
d[col[0]] = row[idx]
return d
con = sqlite3.connect(":memory:")
con.row_factory = dict_factory
cur = con.cursor()
cur.execute("select 1 as a")
print cur.fetchone()["a"]
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Why does a RegExp with global flag give wrong results?
...r i > length then set the lastIndex property of R to 0 and return null.
Call [[Match]], giving it the arguments S and i. If [[Match]]
returned failure, go to step 9;
otherwise let r be its State result
and go to step 10.
Let i = i+1.
Go to step 7.
Let e be r's endIndex value.
If the global proper...
Capturing standard out and error with Start-Process
... @codepoke - it's slightly worse than that - since it does the WaitForExit call first, even if it only redirected one of them, it could deadlock if the stream buffer gets filled up (since it doesn't attempt to read from it until the process has exited)
– James Manning
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How do you display JavaScript datetime in 12 hour AM/PM format?
... Also you declared the "hours" variable twice but made "strTime" an accidental global. It's not extremely elegant but this seems to be the proper technique using native methods.
– Jon z
Nov 15 '12 at 13:28
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