大约有 4,700 项符合查询结果（耗时：0.0171秒） [XML]
MySQL ERROR 1045 (28000): Access denied for user 'bill'@'localhost' (using password: YES)
...
| root | localhost |
+------+-----------+
4 rows in set (0.00 sec)
mysql> SELECT USER(), CURRENT_USER();
+----------------+----------------+
| USER() | CURRENT_USER() |
+----------------+----------------+
| bill@localhost | bill@% |
+---------...
Is it possible to perform a 'grep search' in all the branches of a Git project?
...$ git grep-branch-local -n getTastyCookies
dev:53:modules/factory/getters.php:function getTastyCookies($user);
master:50:modules/factory/getters.php:function getTastyCookies($user)
The current structure is:
: - Separator
Branch: dev
Line number: 53
File path: modules/factory/getters.php
Matchi...
How can I use Spring Security without sessions?
I am building a web application with Spring Security that will live on Amazon EC2 and use Amazon's Elastic Load Balancers. Unfortunately, ELB does not support sticky sessions, so I need to ensure my application works properly without sessions.
...
C++ performance challenge: integer to std::string conversion
... with all but Timo's on msvc (for a good reason that I explain below). The second algorithm is my actual submission for highest performance. In my tests it beats all the others on both gcc and msvc.
I think I know why some of the results on MSVC are very good. std::string has two relevant construct...
What is the use of join() in Python threading?
...hread explicitly waits for the t thread to finish until it calls print the second time.
Alternatively if we had this:
print 'Test one'
print 'Test two'
t.join()
We'll get this output:
Test one
Test two
Test non-daemon
Here we do our job in the main thread and then we wait for the t thread to ...
Insert an element at a specific index in a list and return the updated list
...ts for Python 3.4.5:
Mine answer using sliced insertion - Fastest (3.08 µsec per loop)
mquadri$ python3 -m timeit -s "a = list(range(1000))" "b = a[:]; b[500:500] = [3]"
100000 loops, best of 3: 3.08 µsec per loop
ATOzTOA's accepted answer based on merge of sliced lists - Second (6.71 µsec p...
Sass Variable in CSS calc() function
...e;
overflow: hidden;
width: 400px;
height: 400px; }
/* circle sectors */
.menu-frame-sector {
position: absolute;
width: 50%;
height: 50%;
z-index: 10000;
transform-origin: 100% 100%;
}
$sector_count: 8;
$sector_width: 360deg / $sector_count;
.sec0 {
transfor...
Uncaught ReferenceError: jQuery is not defined [duplicate]
...c="http://code.jquery.com/jquery-1.10.1.min.js"
in wp-admin/admin-header.php
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How should I call 3 functions in order to execute them one after the other?
... have three asynchronous functions that we want to execute in order, some_3secs_function, some_5secs_function, and some_8secs_function.
Since functions can be passed as arguments in Javascript, you can pass a function as a callback to execute after the function has completed.
If we create the func...
Convert to/from DateTime and Time in Ruby
...ass as follows:
require 'date'
class Time
def to_datetime
# Convert seconds + microseconds into a fractional number of seconds
seconds = sec + Rational(usec, 10**6)
# Convert a UTC offset measured in minutes to one measured in a
# fraction of a day.
offset = Rational(utc_offs...