大约有 43,100 项符合查询结果（耗时：0.0321秒） [XML]
Easy way to test a URL for 404 in PHP?
...
15 Answers
15
Active
...
Can the Unix list command 'ls' output numerical chmod permissions?
...
it almost can ..
ls -l | awk '{k=0;for(i=0;i<=8;i++)k+=((substr($1,i+2,1)~/[rwx]/) \
*2^(8-i));if(k)printf("%0o ",k);print}'
share
|
improve this answer
|
...
Why is the order in dictionaries and sets arbitrary?
...and lets assume the table size is 8 slots. In Python 2.7, hash('foo') is -4177197833195190597, hash('bar') is 327024216814240868. Modulo 8, that means these two keys are slotted in slots 3 and 4 then:
>>> hash('foo')
-4177197833195190597
>>> hash('foo') % 8
3
>>> hash('ba...
Most efficient way of making an if-elif-elif-else statement when the else is done the most?
...
100
The code...
options.get(something, doThisMostOfTheTime)()
...looks like it ought to be fast...
How to pass a single object[] to a params object[]
...
100
A simple typecast will ensure the compiler knows what you mean in this case.
Foo((object)new ...
What is IP address '::1'?
...
152
::1 is the loopback address in IPv6. Think of it as the IPv6 version of 127.0.0.1.
See http:...
How do I get Month and Date of JavaScript in 2 digit format?
...tDate()).slice(-2)
for the date, and similar:
("0" + (this.getMonth() + 1)).slice(-2)
for the month.
share
|
improve this answer
|
follow
|
...
How to find all occurrences of an element in a list?
...
16 Answers
16
Active
...
++someVariable vs. someVariable++ in JavaScript
...; // This will get array[0]
x = 0;
y = array[++x]; // This will get array[1]
share
|
improve this answer
|
follow
|
...