大约有 47,000 项符合查询结果（耗时：0.0448秒） [XML]
Print variables in hexadecimal or decimal format
...
|
edited Dec 24 '19 at 6:44
remcycles
68455 silver badges99 bronze badges
answered Mar 12 '1...
Switch case with fallthrough?
...
314
Use a vertical bar (|) for "or".
case "$C" in
"1")
do_this()
;;
"2" | "3")
do_what_...
Why are `private val` and `private final val` different?
...k that private val and private final val are same, until I saw section 4.1 in Scala Reference:
2 Answers
...
?: operator (the 'Elvis operator') in PHP
...
543
It evaluates to the left operand if the left operand is truthy, and the right operand otherwise...
Rails find_or_create_by more than one attribute?
...
467
Multiple attributes can be connected with an and:
GroupMember.find_or_create_by_member_id_and...
Python module os.chmod(file, 664) does not change the permission to rw-rw-r— but -w--wx----
...y
treats any integer with a leading zero as octal. So os.chmod("file",
484) (in decimal) would give the same result.
What you are doing is passing 664 which in octal is 1230
In your case you would need
os.chmod("/tmp/test_file", 436)
[Update] Note, for Python 3 you have prefix with 0o ...
How to set background color in jquery
...
answered Jan 24 '11 at 9:58
reko_treko_t
49.5k99 gold badges8080 silver badges7575 bronze badges
...
Replace first occurrence of string in Python
...
241
string replace() function perfectly solves this problem:
string.replace(s, old, new[, maxrepla...