大约有 45,000 项符合查询结果（耗时：0.0549秒） [XML]
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
|
...
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 sleep for five seconds in a batch file/cmd [duplicate]
...
One hack is to (mis)use the ping command:
ping 127.0.0.1 -n 6 > nul
Explanation:
ping is a system utility that sends ping requests. ping is available on all versions of Windows.
127.0.0.1 is the IP address of localhost. This IP address is guaranteed to always resol...
Truncating floats in Python
...
117
First, the function, for those who just want some copy-and-paste code:
def truncate(f, n):
...
SQL Server dynamic PIVOT query?
...me,
category varchar(3),
amount money
)
insert into temp values ('1/1/2012', 'ABC', 1000.00)
insert into temp values ('2/1/2012', 'DEF', 500.00)
insert into temp values ('2/1/2012', 'GHI', 800.00)
insert into temp values ('2/10/2012', 'DEF', 700.00)
insert into temp values ('3/1/2012', 'ABC...
What belongs in an educational tool to demonstrate the unwarranted assumptions people make in C/C++?
...
91
The order of evaluation of subexpressions, including
the arguments of a function call and
oper...
Sql Server equivalent of a COUNTIF aggregate function
...ondition (e.g. count only records where a certain column value is equal to 1).
9 Answers
...
How do you create a yes/no boolean field in SQL server?
...
11 Answers
11
Active
...
How to find where a method is defined at runtime?
...
10 Answers
10
Active
...