大约有 12,000 项符合查询结果（耗时：0.0190秒） [XML]
Converting a list to a set changes element order
... 3:
>>> x = [1, 2, 20, 6, 210]
>>> sorted(set(x), key=x.index)
[1, 2, 20, 6, 210]
share
|
improve this answer
|
follow
|
...
How serious is this new ASP.NET security vulnerability and how can I workaround it?
...sure that all errors are configured to return the same error page. This requires you to explicitly set the defaultRedirect attribute on the <customErrors> section and ensure that no per-status codes are set.
What's at stake?
If an attacker manage to use the mentioned exploit, he/she can dow...
How to identify unused css definitions
...sed CSS selectors. This software costs 80 USD.
Liquidcity CSS cleaner is a php script that uses regular expressions to check the styles of one page. It will tell you the classes that aren't available in the HTML code. I haven't tested this solution.
Deadweight is a CSS coverage tool. Given a set of ...
Disable sorting for a particular column in jQuery DataTables
...you really mean [-1], then [1], [2], etc? What does the -1 mean? Doesn't indexing for columns begin at 1 for dataTables?
– Dan Nissenbaum
Feb 13 '14 at 6:49
1
...
How to detect idle time in JavaScript elegantly?
...o long inactivity goes here
// e.g. window.location.href = 'logout.php';
}
function resetTimer() {
clearTimeout(t);
t = setTimeout(yourFunction, 10000); // time is in milliseconds
}
}
idleLogout();
.
Apart from the improvements regarding activity detection, and...
Git status shows files as changed even though contents are the same
... resolved this problem using following steps
Remove every file from Git's index.
git rm --cached -r .
Rewrite the Git index to pick up all the new line endings.
git reset --hard
Note that step 2 may remove your local changes.
Solution was part of steps described on git site
https://help.github.c...
Is there an onSelect event or equivalent for HTML ?
...Here is the simplest way:
<select name="ab" onchange="if (this.selectedIndex) doSomething();">
<option value="-1">--</option>
<option value="1">option 1</option>
<option value="2">option 2</option>
<option value="3">option 3</optio...
How to see log files in MySQL?
... = /var/log/mysql/mysql-slow.log
long_query_time = 2
log-queries-not-using-indexes
step3: save the file and restart mysql using following commands
service mysql restart
To enable logs at runtime, login to mysql client (mysql -u root -p) and give:
SET GLOBAL general_log = 'ON';
SET GLOBAL slow_...
How do I set the timeout for a JAX-WS webservice client?
...dpoint = new URL(null,
"http://myDomain/myWebService.php",
new URLStreamHandler() { // Anonymous (inline) class
@Override
protected URLConnection openConnection(URL url) throws IOException {
URL clo...
How to print a string in fixed width?
...entioned in the comments: the 0 in '{0: <5}' indicates the argument’s index passed to str.format().
Edit 2:
In python3 one could use also f-string:
sub_str='s'
for i in range(1,6):
s = sub_str*i
print(f'{s:>5}')
' s'
' ss'
' sss'
' ssss'
'sssss'
or:
for i in range(1,5):
...