大约有 13,700 项符合查询结果（耗时：0.0302秒） [XML]
mysql -> insert into tbl (select from another table) and some default values [duplicate]
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INSERT INTO offer_masti.city (NULL, '1', '1', citydb.city_name, NULL, CURRENT_TIMESTAMP, CURRENT_TIMESTAMP) select test.cities.city as city_name from test.cities as citydb; i am using this query it give me error can any one help me to solve...
C++11 reverse range-based for-loop
...----
// --- Reversed iterable
template <typename T>
struct reversion_wrapper { T& iterable; };
template <typename T>
auto begin (reversion_wrapper<T> w) { return std::rbegin(w.iterable); }
template <typename T>
auto end (reversion_wrapper<T> w) { return std::rend...
Rails Root directory path?
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which returns a Pathname object. If you want a string you have to add .to_s. If you want another path in your Rails app, you can use join like this:
Rails.root.join('app', 'assets', 'images', 'logo.png')
In Rails 2 you can use the RAILS_ROOT constant, which is a string.
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Days between two dates? [duplicate]
...est for calendar checks.
from datetime import timedelta, datetime
def cal_days_diff(a,b):
A = a.replace(hour = 0, minute = 0, second = 0, microsecond = 0)
B = b.replace(hour = 0, minute = 0, second = 0, microsecond = 0)
return (A - B).days
if __name__ == '__main__':
x = datetime...
GPU Emulator for CUDA programming without the hardware [closed]
...nstalled it and tried to run a simple
program:
#include <stdio.h>
__global__ void helloWorld() {
printf("Hello world! I am %d (Warp %d) from %d.\n",
threadIdx.x, threadIdx.x / warpSize, blockIdx.x);
}
int main() {
int blocks, threads;
scanf("%d%d", &blocks, &thr...
Why is it impossible to override a getter-only property and add a setter? [closed]
... derivation, my code may break. e.g.
public class BarProvider
{ BaseClass _source;
Bar _currentBar;
public void setSource(BaseClass b)
{
_source = b;
_currentBar = b.Bar;
}
public Bar getBar()
{ return _currentBar; }
}
Since Bar cannot be set as per the BaseClass interface,...
Git Bash is extremely slow on Windows 7 x64
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Problem is with $(__git_ps1) ... removing this makes everything superfast
– Hendy Irawan
Apr 7 '15 at 3:27
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Pretty-print C++ STL containers
...ges:
#include <iostream>
#include <iterator>
#include <type_traits>
#include <vector>
#include <algorithm>
// This works similar to ostream_iterator, but doesn't print a delimiter after the final item
template<typename T, typename TChar = char, typename TCharTraits...
How do I setup a SSL certificate for an express.js server?
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Other options for createServer are at: http://nodejs.org/api/tls.html#tls_tls_createserver_options_secureconnectionlistener
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Submitting a multidimensional array via POST with php
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On submitting, you would get an array as if created like this:
$_POST['topdiameter'] = array( 'first value', 'second value' );
$_POST['bottomdiameter'] = array( 'first value', 'second value' );
However, I would suggest changing your form names to this format instead:
name="diameters[0]...