大约有 15,000 项符合查询结果（耗时：0.0198秒） [XML]
Java: How to set Precision for double value? [duplicate]
...o nearest).
See sample test cases here.
123.12345678 ==> 123.123
1.230000 ==> 1.23
1.1 ==> 1.1
1 ==> 1.0
0.000 ==> 0.0
0.00 ==> 0.0
0.4 ==> 0.4
0 ==> 0.0
1.4999 ==> 1.499
1.4995 ==> 1.499
1.4994 ==> 1.499
Here's the code. The two caveats I mentioned above can be...
How to kill/stop a long SQL query immediately?
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@RemusRusanu - What if the estimated rollback time is 20,000+ hours? Happy to restore from a backup. dba.stackexchange.com/questions/222145/…
– youcantryreachingme
Nov 8 '18 at 23:48
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Get attribute name value of
...e("name");
My results:
jQuery: 300k operations / second
JavaScript: 11,000k operations / second
You can test for yourself here. The "plain JavaScript" vesion is over 35 times faster than the jQuery version.
Now, that's just for one operation, over time you will have more and more stuff going ...
Convert a date format in PHP
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What if I get this date 0000-00-00 from mySQL? it returns a wrong date like 31/12/1969 ...
– Enrique
Apr 29 '10 at 22:20
3
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Can't connect to local MySQL server through socket '/var/mysql/mysql.sock' (38)
...
I got the following error
ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (111)
Tried several ways and finally solved it through the following way
sudo gksu gedit /etc/mysql/my.cnf
modified
#bind-address ...
How do I escape ampersands in XML so they are rendered as entities in HTML?
... 11 year old post that solves my problem. And it has been viewed over 690,000 times.
– Bill
May 30 at 14:59
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How can I temporarily disable a foreign key constraint in MySQL?
... This doesn't work for me. When I try, I see:ERROR 1228 (HY000): Variable 'foreign_key_checks' is a SESSION variable and can't be used with SET GLOBAL
– Mike B
Dec 9 '16 at 0:25
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jQuery Event : Detect changes to the html/text of a div
...being made to the page - it will run your function X times (maybe even X=1,000 or more) which could be very inefficient. One simple solution is to define a "running" boolean var, that will... if(running == true){return} ...without running your code if it's already running. Set running=true right aft...
Concatenating multiple text files into a single file in Bash
... I get "Argument list too long" -- guess it can't handle 40,000+ files.
– Matt
Sep 16 '13 at 15:51
32
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Parse date string and change format
...to datetime object
from datetime import datetime
s = "2016-03-26T09:25:55.000Z"
f = "%Y-%m-%dT%H:%M:%S.%fZ"
out = datetime.strptime(s, f)
print(out)
output:
2016-03-26 09:25:55
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