大约有 40,000 项符合查询结果(耗时:0.0527秒) [XML]
How do I get a file name from a full path with PHP?
..."/home/httpd/html/index.php";
$file = basename($path); // $file is set to "index.php"
$file = basename($path, ".php"); // $file is set to "index"
?>
share
|
improve this answer
...
What would a “frozen dict” be?
... too often (though it would still probably be useful more often than frozenset is).
The most common reason to want such a type is when memoizing function calls for functions with unknown arguments. The most common solution to store a hashable equivalent of a dict (where the values are hashable) is ...
ruby on rails f.select options with custom attributes
... editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
...
Padding characters in printf
...
Pure Bash. Use the length of the value of 'PROC_NAME' as offset for the fixed string 'line':
line='----------------------------------------'
PROC_NAME='abc'
printf "%s %s [UP]\n" $PROC_NAME "${line:${#PROC_NAME}}"
PROC_NAME='abcdef'
printf "%s %s [UP]\n" $PROC_NAME "${line:${#PROC_N...
SQL Server SELECT LAST N Rows
This is a known question but the best solution I've found is something like:
18 Answers
...
Append an array to another array in JavaScript [duplicate]
...
If you want to modify the original array instead of returning a new array, use .push()...
array1.push.apply(array1, array2);
array1.push.apply(array1, array3);
I used .apply to push the individual members of arrays 2 and 3 ...
Force unmount of NFS-mounted directory [closed]
I have an NFS-mounted directory on a Linux machine that has hung. I've tried to force an unmount, but it doesn't seem to work:
...
Pairs from single list
Often enough, I've found the need to process a list by pairs. I was wondering which would be the pythonic and efficient way to do it, and found this on Google:
...
Generate a random point within a circle (uniformly)
...orm value between 0 and 1
CDF-1(random()) = √random()
Which is what we set out to derive :-)
share
|
improve this answer
|
follow
|
...
What is the difference between \r and \n?
...dardized on NL--a character that doesn't even exist in the ASCII character set. In Unicode, NL is U+0085 NEXT LINE, but the actual EBCDIC value is 0x15.
Why did different systems choose different methods? Simply because there was no universal standard. Where your keyboard probably says "Enter",...