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const char *, char const *, char * const 异同？const修饰符各位置有何区...
const char *, char const *, char * const 异同？const修饰符各位置有何区别？const char * p = new char('a'); 这个是常字符，即p的内容不能被修改。char const * p 意义同上，没有区别。 这时，*...const char * p = new char('a'); 这个是常字符，即p的内容...
How to check whether a string contains a substring in JavaScript?
Usually I would expect a String.contains() method, but there doesn't seem to be one.
3 Answers
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How to read a CSV file into a .NET Datatable
...m.Globalization;
// using System.IO;
static DataTable GetDataTableFromCsv(string path, bool isFirstRowHeader)
{
string header = isFirstRowHeader ? "Yes" : "No";
string pathOnly = Path.GetDirectoryName(path);
string fileName = Path.GetFileName(path);
string sql = @"SELECT * FROM ["...
Hash function that produces short hashes?
Is there a way of encryption that can take a string of any length and produce a sub-10-character hash? I want to produce reasonably unique ID's but based on message contents, rather than randomly.
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C read file line by line
... printf(line) is wrong! Do not do this. This opens your code to a string format vulnerability where you can freely read/write directly to memory via the stuff being printed. If I were to put %n/%p in the file and point the pointer back to an address in memory (in the string from the file) t...
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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Best way to convert list to comma separated string in java [duplicate]
I have Set<String> result & would like to convert it to comma separated string. My approach would be as shown below, but looking for other opinion as well.
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how do i remove a comma off the end of a string?
I want to remove the comma off the end of a string. As it is now i am using
10 Answers
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How to convert SecureString to System.String?
All reservations about unsecuring your SecureString by creating a System.String out of it aside , how can it be done?
11 A...
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()...