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MySQL stored procedure vs function, which would I use when?
...d procedures with ordinary SQL, whilst with stored function you can.
e.g. SELECT get_foo(myColumn) FROM mytable is not valid if get_foo() is a procedure, but you can do that if get_foo() is a function. The price is that functions have more limitations than a procedure.
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How to split a string and assign it to variables
...trings"
)
func main() {
s := strings.Split("127.0.0.1:5432", ":")
ip, port := s[0], s[1]
fmt.Println(ip, port)
}
Output:
127.0.0.1 5432
One step, for example,
package main
import (
"fmt"
"net"
)
func main() {
host, port, err := net.SplitHostPort("127.0.0.1:5432")
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Select by partial string from a pandas DataFrame
...ns of which 2 contain string values. I was wondering if there was a way to select rows based on a partial string match against a particular column?
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iPhone Data Usage Tracking/Monitoring
...
The thing is that pdp_ip0 is one of interfaces, all pdpXXX are WWAN interfaces dedicated to different functions, voicemail, general networking interface.
I read in Apple forum that :
The OS does not keep network statistics on a process-by-process...
json_encode is returning NULL?
...tf8 encoding: try to put mysql_query('SET CHARACTER SET utf8') before your SELECT query.
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Split string, convert ToList() in one line
...
var numbers = sNumbers.Split(',').Select(Int32.Parse).ToList();
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Forward host port to docker container
...ter to all the containers. Assuming you are on recent ubuntu, you can run
ip addr
This will give you a list of network adapters, one of which will look something like
3: docker0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP
link/ether 22:23:6b:28:6b:e0 brd ff:ff:ff:ff:...
C++ 读写xml方法整理（持续更新） - C/C++ - 清泛网 - 专注C/C++及内核技术
... VARIANT_TRUE; // validates during parsing
pDoc->setProperty(_bstr_t("SelectionNamespaces"), _variant_t(g_select_namespaces)); // set select namespaces
// associate xml and schema
pDoc->schemas = pSchema.GetInterfacePtr();
// load xml file
VARIANT_BOOL vbRet = pDoc->load...
360安全检测到18%后提示失败，关闭云盾、设置白名单解决 - 更多技术 - 清泛...
...防火墙进行拦截。且这些请求都是从360网站安全卫士集群ip地址发出，且攻击流量较大，速度也较快，导致触发了应用防火墙的防护机制，将360网站安全卫士的集群ip加入了黑名单，在一定时间内封禁其所有的访问，所以会导致...
01_Real Application Clusters Overview - 文档下载 - 清泛网 - 专注IT技能提升
...真正应用集群
ASM管理存储，Oracle自己的文件系统
心跳ip有问题，关闭次节点只留主节点，防止数据混乱
virtual ip 可漂移，private ip 心跳ip，scan ip DNS解析
ntp服务禁用（时间同步服务，Oracle自己有同步）
grid 用户：存储、集群...