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How do I analyze a program's core dump file with GDB when it has command-line parameters?
...ddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int myfunc(int i) {
*(int*)(NULL) = i; /* line 7 */
return i - 1;
}
int main(int argc, char **argv) {
/* Setup some memory. */
char data_ptr[] = "string in data segment";
char *mmap_ptr;
...
How to check for a valid Base64 encoded string
Is there a way in C# to see if a string is Base 64 encoded other than just trying to convert it and see if there is an error? I have code code like this:
...
How to escape a pipe char in a code statement in a markdown table?
... Thanks. This works on Github. Github MarkDown seems to recognize the string \| within a table and act accordingly.
– Stephen Chung
Nov 26 '18 at 12:09
...
Get the generated SQL statement from a SqlCommand object?
...o the "text" command doesn't account for parameters etc
public static String ParameterValueForSQL(this SqlParameter sp)
{
String retval = "";
switch (sp.SqlDbType)
{
case SqlDbType.Char:
case SqlDbType.NChar:
case SqlDbType.NText:...
When would I need a SecureString in .NET?
I'm trying to grok the purpose of .NET's SecureString. From MSDN:
11 Answers
11
...
What are transparent comparators?
...he example use-case from n3657 is locating an object in a std::set<std::string> using a string literal: with the C++11 definition a std::string object is constructed when passing a string literals to the corresponding member function. With the change it is possible to use the string literal di...
How to check if a string in Python is in ASCII?
I want to I check whether a string is in ASCII or not.
16 Answers
16
...
When should one use final for method parameters and local variables?
...l variables when using conditions.
Let me give you an example:
final String name;
switch(pluginType) {
case CANDIDATE_EXPORT:
name = "Candidate Stuff";
break;
case JOB_POSTING_IMPORT:
name = "Blah";
break;
default:
...
Why does struct alignment depend on whether a field type is primitive or user-defined?
...d750e0 000000e9 11111111 00000000 22222222 00000000
0xe90ed750e0 is the string pointer on my machine (not yours). You can easily see the Int32Wrappers, with the extra 4 bytes of padding that turned the size into 24 bytes. Go back to the struct and put the string last. Repeat and you'll see the...
What uses are there for “placement new”?
... on a
pre-allocated buffer takes less time):
char *buf = new char[sizeof(string)]; // pre-allocated buffer
string *p = new (buf) string("hi"); // placement new
string *q = new string("hi"); // ordinary heap allocation
You may also want to be sure there can be no allocation failure at ...