大约有 46,000 项符合查询结果（耗时：0.0428秒） [XML]
Queries vs. Filters
... My solution uses filters and queries in the same request and it is super fast on the test database. We will soon get the live data in there to see how fast it really is.
– Jonesie
Mar 7 '13 at 5:59
...
GPU Emulator for CUDA programming without the hardware [closed]
... emulator for a Geforce card that would allow me to program and test CUDA without having the actual hardware?
7 Answers
...
What is your naming convention for stored procedures? [closed]
... usp_GetProductDetail. However now the database is at 700 procedures plus, it becomes a lot harder to find all procedures on a specific object. For example i now have to search 50 odd Add procedures for the Product add, and 50 odd for the Get etc.
Because of this in my new application I'm planning ...
Sleep until a specific time/date
...follow
|
edited Apr 13 '17 at 12:45
Community♦
111 silver badge
answered Mar 14 '09 at ...
常用Sql - 爬虫/数据库 - 清泛IT社区，为创新赋能！
本帖最后由 zqp2013 于 2015-3-17 22:06 编辑
mysql：drop table if exists tablename;
不能写成
drop table tablename if exists tablename;
mysql：建立索引Sql
CREATE TABLE tablename (
`ID` &nbs...
Linux bpftrace学习笔记（持续更新） - 操作系统(内核) - 清泛网 - 专注IT技能提升
...trace/tools/opensnoop.bt
Attaching 6 probes...
Tracing open syscalls... Hit Ctrl-C to end.
PID COMM FD ERR PATH
4235 head -1 2 tls/x86_64/x86_64/libc.so.6
4235 head -1 2 tls/x86_64/libc.so.6
4235 head -1 2 tls/x86_64/libc.s...
Linux bpftrace学习笔记（持续更新） - 操作系统(内核) - 清泛网 - 专注IT技能提升
...trace/tools/opensnoop.bt
Attaching 6 probes...
Tracing open syscalls... Hit Ctrl-C to end.
PID COMM FD ERR PATH
4235 head -1 2 tls/x86_64/x86_64/libc.so.6
4235 head -1 2 tls/x86_64/libc.so.6
4235 head -1 2 tls/x86_64/libc.s...
Linux bpftrace学习笔记（持续更新） - 操作系统(内核) - 清泛网移动版 - ...
...trace/tools/opensnoop.bt
Attaching 6 probes...
Tracing open syscalls... Hit Ctrl-C to end.
PID COMM FD ERR PATH
4235 head -1 2 tls/x86_64/x86_64/libc.so.6
4235 head -1 2 tls/x86_64/libc.so.6
4235 head -1 2 tls/x86_64/libc.s...
Linux bpftrace学习笔记（持续更新） - 操作系统(内核) - 清泛网 - 专注IT技能提升
...trace/tools/opensnoop.bt
Attaching 6 probes...
Tracing open syscalls... Hit Ctrl-C to end.
PID COMM FD ERR PATH
4235 head -1 2 tls/x86_64/x86_64/libc.so.6
4235 head -1 2 tls/x86_64/libc.so.6
4235 head -1 2 tls/x86_64/libc.s...
Linux bpftrace学习笔记（持续更新） - 操作系统(内核) - 清泛网 - 专注IT技能提升
...trace/tools/opensnoop.bt
Attaching 6 probes...
Tracing open syscalls... Hit Ctrl-C to end.
PID COMM FD ERR PATH
4235 head -1 2 tls/x86_64/x86_64/libc.so.6
4235 head -1 2 tls/x86_64/libc.so.6
4235 head -1 2 tls/x86_64/libc.s...