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Why should C++ programmers minimize use of 'new'?
I stumbled upon Stack Overflow question Memory leak with std::string when using std::list<std::string> , and one of the comments says this:
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get all characters to right of last dash
...th str.LastIndexOf('-'). So the next step is obvious:
var result = str.Substring(str.LastIndexOf('-') + 1);
Correction:
As Brian states below, using this on a string with no dashes will result in the same string being returned.
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Correct way to use StringBuilder in SQL
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The aim of using StringBuilder, i.e reducing memory. Is it achieved?
No, not at all. That code is not using StringBuilder correctly. (I think you've misquoted it, though; surely there aren't quotes around id2 and table?)
Note that the aim ...
Why doesn't Dictionary have AddRange?
...
I've got some solution:
Dictionary<string, string> mainDic = new Dictionary<string, string>() {
{ "Key1", "Value1" },
{ "Key2", "Value2.1" },
};
Dictionary<string, string> additionalDic= new Dictionary<string, string>() {
{ "...
Logging raw HTTP request/response in ASP.NET MVC & IIS7
...m = inner;
this.CopyStream = new MemoryStream();
}
public string ReadStream()
{
lock (this.InnerStream)
{
if (this.CopyStream.Length <= 0L ||
!this.CopyStream.CanRead ||
!this.CopyStream.CanSeek)
{
...
Integer.toString(int i) vs String.valueOf(int i)
I am wondering why the method String.valueOf(int i) exists ? I am using this method to convert int into String and just discovered the Integer.toString(int i) method.
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Showing the stack trace from a running Python application
... prompt for
interactive debugging."""
d={'_frame':frame} # Allow access to frame object.
d.update(frame.f_globals) # Unless shadowed by global
d.update(frame.f_locals)
i = code.InteractiveConsole(d)
message = "Signal received : entering python shell.\nTraceback:\n"...
Converting timestamp to time ago in PHP e.g 1 day ago, 2 days ago…
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Use example :
echo time_elapsed_string('2013-05-01 00:22:35');
echo time_elapsed_string('@1367367755'); # timestamp input
echo time_elapsed_string('2013-05-01 00:22:35', true);
Input can be any supported date and time format.
Output :
4 months ago
4 mon...
Assign null to a SqlParameter
... The suggestion looked promising so I tried "System.Data.SqlTypes.SqlString.Null" but it doesn't work. It puts actual string of "Null" ('N', 'u', 'l', 'l') into the field instead leaving it blank with true (null). However, the old 2010 "accepted answer" that uses cast with (object) ?? DBNull...
Why does “split” on an empty string return a non-empty array?
Split on an empty string returns an array of size 1 :
8 Answers
8
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