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Where do “pure virtual function call” crashes come from?
...asily optimized away):
#include <iostream>
using namespace std;
char pool[256];
struct Base
{
virtual void foo() = 0;
virtual ~Base(){};
};
struct Derived: public Base
{
virtual void foo() override { cout <<"Derived::foo()" << endl;}
};
int main()
{
...
What are the Ruby Gotchas a newbie should be warned about? [closed]
...as constants, so local variables should begin with a lowercase letter.
The characters $ and @ do not indicate variable data type as in Perl, but rather function as scope resolution operators.
To denote floating point numbers, one must follow with a zero digit (99.0) or an explicit conversion (99.to_...
how to stop browser back button using javascript
...me because window.location.hash should always return the hash with the '#' character and _hash will never contains the '#' caracter. Do you recall anything on that ? Is that just a protection in case the browser does not return the '#' char in location.hash ?
– baraber
...
How to Store Historical Data
... timestamp indicating the end of that database row
STATUS_CONTROL - single char column indicated status of the row. 'C' indicates current, NULL or 'A' would be historical/archived. We only use this because we can't index on END_DATETIME being NULL
CREATED_BY_WUA_ID - stores the ID of the account tha...
What's the best way to parse command line arguments? [closed]
...ments, and those who are
just like switches.
sys.argv is pretty much your char** argv in C. Like in C you skip the first element which is the name of your program and parse only the arguments : sys.argv[1:]
Getopt.getopt will parse it according to the rule you give in argument.
"ho:v" here descri...
How to load program reading stdin and taking parameters in gdb?
... I figured it out. For some reason I typed void main(int argc, char *argv[]) instead of "int main..." and it slipped my eye. Anyways everything works fine now; thanks for your help!
– vinc456
Jan 18 '09 at 19:04
...
Escape quote in web.config connection string
...ng Property):
To include values that contain a semicolon, single-quote character, or double-quote character, the value must be enclosed in double quotation marks. If the value contains both a semicolon and a double-quote character, the value can be enclosed in single quotation marks.
So:
conn...
Ensuring json keys are lowercase in .NET
...ntratResolver do not transform the properties in lowercase, just the first char.
– ToXinE
Sep 18 '15 at 8:26
...
Regular expression for exact match of a string
...tch" button and you will see why it matches. BTW remember '.' is a special char and good to escape it. (and good to think twice before down voting :D ).
– prageeth
Sep 29 '13 at 3:16
...
How do you get the list of targets in a makefile?
...ing this, make sure that the last line is indented by exactly 1 actual tab char. (spaces do not work).
Note that sorting the resulting list of targets is the best option, since not sorting doesn't produce a helpful ordering in that the order in which the targets appear in the makefile is not preser...