大约有 44,000 项符合查询结果(耗时:0.0206秒) [XML]
SELECT * FROM X WHERE id IN (…) with Dapper ORM
...le is required for the bulk insert. How do you insert to the temp table 50,000 values?
– ErikE
Jan 26 '17 at 20:23
1
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Good Hash Function for Strings
...d use hash codes instead. Throughout my entire corpus, there are about 600,000 unique words, and using the default java hashcode function, I was getting about 3.5% collisions. But if I SHA-256 the string value and then generate a hashcode from the digested string, the collision ratio is less than 0....
How does one make a Zip bomb?
...e under Linux using the following command:
dd if=/dev/zero bs=1024 count=10000 | zip zipbomb.zip -
Replace count with the number of KB you want to compress. The example above creates a 10MiB zip bomb (not much of a bomb at all, but it shows the process).
You DO NOT need hard disk space to store a...
How do I debug an MPI program?
...etty snappy; we timed stepping and merging the stacks and variables of 220,000 processes at 0.1s as part of the acceptance testing on Oak Ridge's Jaguar cluster.
@tgamblin mentioned the excellent STAT, which integrates with Allinea DDT, as do several other popular open source projects.
...
Vim and Ctags tips and tricks [closed]
... use gotgenes suggestion on one of my machines because there are roughly 8,000 directories in /home, and that tends to be a bit sluggish.
– jkerian
Feb 22 '11 at 15:50
1
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Best approach to remove time part of datetime in SQL Server
...erately within datetime2, year 0218
DECLARE @datetime2epoch datetime2 = '19000101'
select DATEADD(dd, DATEDIFF(dd, @datetime2epoch, @datetime2value), @datetime2epoch)
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Can't connect to local MySQL server through socket homebrew
...tomatically. I did the same and stop receiving below error;
ERROR 2002 (HY000): Can't connect to local MySQL server through socket
'/tmp/mysql.sock' (2)
I hope this helps.
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navbar color in Twitter Bootstrap
... set a solid black background-color:
.navbar-inner {
background-color: #000; /* background color will be black for all browsers */
background-image: none;
background-repeat: no-repeat;
filter: none;
}
You can take advantage of such tools as the Colorzilla Gradient Editor and create your o...
How to check if a String is numeric in Java
.... "." or "-") and still be perfectly numerical. For example 0.5, -1, and 1,000 will all fail with this answer and yet they are perfectly numerical.
– Simeon G
Apr 24 '18 at 18:24
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Linux下部署企业级邮件服务器(postfix + dovecot + extmail) - 开源 & Gith...
...#########QUOTA Settings########################
message_size_limit = 14336000
virtual_mailbox_limit = 20971520
virtual_create_maildirsize = yes
virtual_mailbox_extended = yes
virtual_mailbox_limit_maps = mysql:/etc/postfix/mysql_virtual_mailbox_limit_maps.cf
virtual_mailbox_limit_override = ye...
