大约有 25,000 项符合查询结果（耗时：0.0409秒） [XML]
How do I create delegates in Objective-C?
...rmat:@"Parameter does not conform to MyDelegate protocol at line %d", (int)__LINE__];
}
in your delegate accessor (setDelegate) code. This helps minimize mistakes.
share
|
improve this answer
...
Is there a way to make a DIV unselectable?
...alse;" ondragstart="return false;">your text</div>
jQuery:
var _preventDefault = function(evt) { evt.preventDefault(); };
$("div").bind("dragstart", _preventDefault).bind("selectstart", _preventDefault);
Rich
s...
C# code to validate email address
...nternally:
const string pattern = @"^((([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+(\.([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+)*)|((\x22)((((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(([\x01-\x08\x0b\x0c\x0e-\x1f\x...
Passport.js - Error: failed to serialize user into session
...thods:
passport.serializeUser(function(user, done) {
done(null, user._id);
// if you use Model.id as your idAttribute maybe you'd want
// done(null, user.id);
});
passport.deserializeUser(function(id, done) {
User.findById(id, function(err, user) {
done(err, user);
});
});
I...
UnicodeDecodeError: 'utf8' codec can't decode byte 0xa5 in position 0: invalid start byte
...
I switched this simply by defining a different codec package in the read_csv() command:
encoding = 'unicode_escape'
Eg:
import pandas as pd
data = pd.read_csv(filename, encoding= 'unicode_escape')
share
|
...
What is mattr_accessor in a Rails module?
... couldn't really find this in Rails documentation but it seems like 'mattr_accessor' is the Module corollary for 'attr_accessor' (getter & setter) in a normal Ruby class .
...
How to simulate Android killing my process
...tyB onCreate WITHOUT savedInstance
ActivityB onStart
ActivityA onStop (the order is like this, it is stopped after new one is started)
<go settings>
ActivityB onStop
<disable a permission>
//Application is killed, but onDestroy methods are not called.
//Android does not call onDestroy me...
Maximum number of records in a MySQL database table
...tables or partitioning and put old data in old tables by year such as users_2011_jan, users_2011_feb or use numbers for the month. Then change your programming to work with this model. Maybe make a new table with less information to summarize the data in less columns and then only refer to the bigge...
Get exit code of a background process
...ne
# Wait for all processes to finish, will take max 14s
# as it waits in order of launch, not order of finishing
for p in $pids; do
if wait $p; then
echo "Process $p success"
else
echo "Process $p fail"
fi
done
...
What is the official “preferred” way to install pip and virtualenv systemwide?
...here/how do you install setuptools-0.8? Looks like you are just grabbing ez_setup.py for a "lightweight version" of getting pip. I'd do the same but fear that it will break in the near future and I'll get stuck here again (like I always do)
– Steven Lu
Jul 13 '...