大约有 2,600 项符合查询结果（耗时：0.0166秒） [XML]
pandas: How do I split text in a column into multiple rows?
I'm working with a large csv file and the next to last column has a string of text that I want to split by a specific delimiter. I was wondering if there is a simple way to do this using pandas or python?
...
How can I escape a double quote inside double quotes?
...like this:
$ dbtable=example
$ dbload='load data local infile "'"'gfpoint.csv'"'" into '"table $dbtable FIELDS TERMINATED BY ',' ENCLOSED BY '"'"'"' LINES "'TERMINATED BY "'"'\n'"'" IGNORE 1 LINES'
$ echo $dbload
which produces the following output:
load data local infile "'gfpoint.csv'" into ...
How can I get enum possible values in a MySQL database?
...'s single quote escape might be incompatible), or
$options_array = str_getcsv($options, ',', "'") possibly would work (if you alter the substring to skip the opening and closing parentheses), or
a regular expression
share
...
How to use OpenFileDialog to select a folder?
...)|*.png";
//fldrDlg.Filter = "Excel Files (*.xls, *.xlsx)|*.xls;*.xlsx|CSV Files (*.csv)|*.csv"
if (fldrDlg.ShowDialog() == DialogResult.OK)
{
//fldrDlg.SelectedPath -- your result
}
}
share
...
SHFileOperation函数总结（文件夹的移动、复制、删除） - C/C++ - 清泛网 -...
SHFileOperation函数总结（文件夹的移动、复制、删除）函数原型：SHFileOperation函数功能描述:文件操作，与 Shell 的动作相同。函数原型：#include<shellapi.h>WINSHELLAPI int WINAPI SHF...
SHFileOperation
函数功能描述:文件操作，与 Shell 的动作相...
Parsing a comma-delimited std::string [duplicate]
...s as white space:
#include <locale>
#include <vector>
struct csv_reader: std::ctype<char> {
csv_reader(): std::ctype<char>(get_table()) {}
static std::ctype_base::mask const* get_table() {
static std::vector<std::ctype_base::mask> rc(table_size, std::c...
How do I dump the data of some SQLite3 tables?
...t you wish to do with the dumped file.
I would use the following to get a CSV file, which I can import into almost everything
.mode csv
-- use '.separator SOME_STRING' for something other than a comma.
.headers on
.out file.csv
select * from MyTable;
If you want to reinsert into a different S...
Copying data from one SQLite database to another
...lmsa.db. This can be done using the command ATTACH '/mnt/fastaccessDS/core/csv/allmsa.db' AS AM;
note that we give the entire path of the database to be attached.
check the database list using sqlite> .databases
you can see the output as
seq name file ...
How can I create a temp file with a specific extension with .NET?
I need to generate a unique temporary file with a .csv extension.
17 Answers
17
...
How to store a list in a column of a database table
... long, then serializing it in general is an awful approach. If you go the CSV route, you need to account for the values containing the delimiter which means you are compelled to use quoted identifiers. Persuming that the lists are short, it probably will not make much difference whether you use CSV...