试图查询sql server表时出错,请帮助。
临时表不允许指定数据库名称或其他限定符。如果表名中有点(.)在它中,请引用后排(`)的表名。
val sqlContext = new org.apache.spark.sql.SQLContext(sc)
val querytest=sqlContext.sql(query)
val prop=new Properties()
val url2="jdbc:sqlserver://localhost;user=admin;password=oracle;database=AdventureWo
我有一个简单的C函数,其中,我让用户提供一个路径名,该函数检查它是否是有效的文件。
# include <stdio.h>
# include <string.h>
int main(void) {
char cFileChoice[256];
FILE * rInputFile;
unsigned int cFileLength;
printf("\nPlease supply a valid file path to read...\n");
fgets(cFileChoice, 255, stdin
我正试图使用mercurial在bitbucket托管的项目上运行jenkins。我有以下汞的设置:
repository url: http://bitbucket.org/myuser/myproject
credentials: username with password (I have my bitbucket username / password)
Revision Type: branch
Revision: default
当我运行构建时,我得到以下内容:
Started by user Me / Me
Building remotely on bec9ae7e
当我登录到我的副证件时,
ssh -D 127.0.0.1:1080 root@mydomain.com
root@noxp.info's password:
Linux born 3.2.0-4-686-pae #1 SMP Debian 3.2.65-1+deb7u1 i686
The programs included with the Debian GNU/Linux system are free software;
the exact distribution terms for each program are described in the
i
我有以下表达式:[^(\r\n)]*来识别任何不包含\r\n的文本。但是,当文本包含(或)时,则无法识别。
示例:
"I have following expression to recognize any text."将被确认为OK。
"I have following expression (A) to recognize any text."将不被识别。
因此,我想要全文:"I have following expression (A) to recognize any text."