大约有 44,000 项符合查询结果（耗时：0.0413秒） [XML]
How to reset sequence in postgres and fill id column with new data?
...
SELECT setval('seq', 1, FALSE) should do the same (here, the third argument, FALSE, does the magic, as it shows that nextval must be 1 instead of 2)
– Vasilen Donchev
Sep 22 '15 at 14:43...
Change MySQL default character set to UTF-8 in my.cnf?
Currently we are using the following commands in PHP to set the character set to UTF-8 in our application.
18 Answers
...
git ignore vim temporary files
...ension to find another file that can be used.
* First decrement the last char: ".swo", ".swn", etc.
* If that still isn't enough decrement the last but one char: ".svz"
* Can happen when editing many "No Name" buffers.
*/
if (fname[n - 1] == 'a') /* ".s?a" */
{
if (fname[n - 2]...
Select Multiple Fields from List in Linq
...
Anonymous types allow you to select arbitrary fields into data structures that are strongly typed later on in your code:
var cats = listObject
.Select(i => new { i.category_id, i.category_name })
.Distinct()
.OrderByDescending(i => i.c...
What's the fastest algorithm for sorting a linked list?
...is best, followed by Quicksort and Mergesort. Sediment sort, bubble sort, selection sort perform very badly.
A COMPARATIVE STUDY OF LINKED LIST SORTING ALGORITHMS
by Ching-Kuang Shene
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.31.9981
...
set the width of select2 input (through Angular-ui directive)
I have problem making this plunkr (select2 + angulat-ui) work.
11 Answers
11
...
Trigger change event of dropdown
...wns, the best way to do it is to have a script that returns the a prebuilt select box and an AJAX call that requests it.
Here is the documentation for jQuery's Ajax method if you need it.
$(document).ready(function(){
$('#countrylist').change(function(e){
$this = $(e.target);
...
Printing the correct number of decimal points with cout
...d/
#include <iostream>
#include <iomanip>
int main(int argc, char** argv)
{
float testme[] = { 0.12345, 1.2345, 12.345, 123.45, 1234.5, 12345 };
std::cout << std::setprecision(2) << std::fixed;
for(int i = 0; i < 6; ++i)
{
std::cout << tes...
How to get distinct values for non-key column fields in Laravel?
...lder you can do it this way:
$users = DB::table('users')
->select('id','name', 'email')
->groupBy('name')
->get();
share
|
improve this answer
...
How to negate specific word in regex? [duplicate]
I know that I can negate group of chars as in [^bar] but I need a regular expression where negation applies to the specific word - so in my example how do I negate an actual bar , and not "any chars in bar"?
...