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Import CSV file to strongly typed data structure in .Net [closed]
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Use an OleDB connection.
String sConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\\InputDirectory\\;Extended Properties='text;HDR=Yes;FMT=Delimited'";
OleDbConnection objConn = new OleDbConnection(sConnectionString);
objConn.Open()...
How to create streams from string in Node.Js?
...y, ya-csv , that expects either a file or a stream as input, but I have a string.
11 Answers
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Why do we always prefer using parameters in SQL statements?
...ase, it looks like you're using .NET. Using parameters is as easy as:
C#
string sql = "SELECT empSalary from employee where salary = @salary";
using (SqlConnection connection = new SqlConnection(/* connection info */))
using (SqlCommand command = new SqlCommand(sql, connection))
{
var salaryP...
How to dismiss notification after action has been clicked
...e(): Bundle extras = getIntent().getExtras(); if (extras != null) { String tag = extras.getString(NotificationReceiver.INTENT_EXTRA_NOTIFICATION_TAG); int id = extras.getInt(NotificationReceiver.INTENT_EXTRA_NOTIFICATION_ID); if (NotificationReceiver.NOTIFICATION_ID == id && Not...
Floating point vs integer calculations on modern hardware
...application. If you are developing for the x86 architecture, and you need extra performance, you might want to look into using the SSE extensions. This can greatly speed up single-precision floating point arithmetic, as the same operation can be performed on multiple data at once, plus there is a ...
\d is less efficient than [0-9]
...rate a list of all such characters using the following code:
var sb = new StringBuilder();
for(UInt16 i = 0; i < UInt16.MaxValue; i++)
{
string str = Convert.ToChar(i).ToString();
if (Regex.IsMatch(str, @"\d"))
sb.Append(str);
}
Console.WriteLine(sb.ToString());
Which generates...
Can a C++ enum class have methods?
...r.
You could easily add methods such that:
Fruit f("Apple");
and
f.ToString();
can be supported.
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Linux Glibc幽灵漏洞允许黑客远程获取系统权 - 操作系统(内核) - 清泛网 - ...
...<< EOF #include <netdb.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <errno.h> #define CANARY"in_the_coal_mine" struct { char buffer[1024]; char canary[sizeof(CANARY)]; } temp = { "buffer", CANARY }; int main(void) { struct hostent resbuf; struct hostent *result; int herrno;...
How to efficiently compare two unordered lists (not sets) in Python?
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Thank you. I converted each object to a string then used the Counter() method.
– johndir
Oct 21 '11 at 22:28
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What is the most efficient string concatenation method in python?
Is there any efficient mass string concatenation method in Python (like StringBuilder in C# or StringBuffer in Java)? I found following methods here :
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