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Delete duplicate rows from small table
... my answer at How to delete duplicate rows without unique identifier which includes more information.
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How do I concatenate const/literal strings in C?
..." TABLE ; // note no + or . or anything
const char *qry = // include comments in a string
" SELECT * " // get all fields
" FROM " SCHEMA "." TABLE /* the table */
" WHERE x = 1 " /* the filter */
;
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Iterating C++ vector from the end to the beginning
...20, you can use a std::ranges::reverse_view and a range-based for-loop:
#include<ranges>
#include<vector>
#include<iostream>
using namespace std::ranges;
std::vector<int> const vec{1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
for(auto& i : views::reverse(vec)) {
std::cout &l...
What is a memory fence?
...te instructions out of order to make maximum use of the available silicon (including memory read/writes). Because the hardware enforces instructions integrity you never notice this in a single thread of execution. However for multiple threads or environments with volatile memory (memory mapped I/O f...
How do you detect/avoid Memory leaks in your (Unmanaged) code? [closed]
...tx3cf(v=vs.140).aspx
Here is the quick summary of those articles. First, include these headers:
#define _CRTDBG_MAP_ALLOC
#include <stdlib.h>
#include <crtdbg.h>
Then you need to call this when your program exits:
_CrtDumpMemoryLeaks();
Alternatively, if your program does not exi...
Is it possible to specify a starting number for an ordered list?
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static function in C
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How do you compile this? Do you use #include <helper_file.c>? I think that would make it a single translation unit then...
– Atcold
Aug 23 '16 at 1:30
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How do I get a UTC Timestamp in JavaScript?
...mezone of a certain date object is to construct it from a date string that includes the timezone. (I had problems getting that to work in an older Android browser.)
Note that getTime() returns milliseconds, not plain seconds.
For a UTC/Unix timestamp, the following should suffice:
Math.floor((new...
Conditional ng-include in angularjs
How can I do the ng-include conditionally in angularJS?
5 Answers
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