大约有 15,500 项符合查询结果（耗时：0.0285秒） [XML]
MySQL: Order by field size/length
Here is a table structure (e.g. test):
3 Answers
3
...
Remove the string on the beginning of an URL
...u can do:
// this will replace the first occurrence of "www." and return "testwww.com"
"www.testwww.com".replace("www.", "");
// this will slice the first four characters and return "testwww.com"
"www.testwww.com".slice(4);
// this will replace the www. only if it is at the beginning
"www.testwww...
how to remove X-Powered-By in ExpressJS [duplicate]
...
I just tested app.disable('custom1'); And it worked fine (it removed the header from server response). But then I commented out app.disable('custom1'); and the header appears again... Is this normal? I do no longer have the res.head...
Linux/Unix command to determine if process is running?
...'^[ ]*[0-9]*'
This approach is suitable for writing a simple empty string test, then even iterating through the discovered PIDs.
#!/bin/bash
PROCESS=$1
PIDS=`ps cax | grep $PROCESS | grep -o '^[ ]*[0-9]*'`
if [ -z "$PIDS" ]; then
echo "Process not running." 1>&2
exit 1
else
for PID in...
Get path of executable
...as added to Boost in version 1.61.0.
The following is my solution. I have tested it on Windows, Mac OS X, Solaris, Free BSD, and GNU/Linux.
It requires Boost 1.55.0 or greater. It uses the Boost.Filesystem library directly and the Boost.Locale library and Boost.System library indirectly.
src/exec...
PostgreSQL: How to pass parameters from command line?
...mewhat detailed query in a script that uses ? placeholders. I wanted to test this same query directly from the psql command line (outside the script). I want to avoid going in and replacing all the ? with actual values, instead I'd like to pass the arguments after the query.
...
Regex to validate password strength
... Check password complexity
- parameter password: password to test
- parameter length: password min length
- parameter patternsToEscape: patterns that password must not contains
- parameter caseSensitivty: specify if password must conforms case sensitivity or ...
Is nested function a good approach when required by only one function? [closed]
..., although admittedly not by much in this trivial case:
setup = """
class Test(object):
def separate(self, arg):
some_data = self._method_b(arg)
def _method_b(self, arg):
return arg+1
def nested(self, arg):
def method_b2(self, arg):
return arg+1
...
Regex Named Groups in Java
...and Matching Strings with Balanced Parentheses slide)
Example:
String:
"TEST 123"
RegExp:
"(?<login>\\w+) (?<id>\\d+)"
Access
matcher.group(1) ==> TEST
matcher.group("login") ==> TEST
matcher.name(1) ==> login
Replace
matcher.replaceAll("aaaaa_$1_sssss_$2____") ==>...
How do you remove duplicates from a list whilst preserving order?
...ve some alternatives: http://www.peterbe.com/plog/uniqifiers-benchmark
Fastest one:
def f7(seq):
seen = set()
seen_add = seen.add
return [x for x in seq if not (x in seen or seen_add(x))]
Why assign seen.add to seen_add instead of just calling seen.add? Python is a dynamic language, ...