大约有 23,000 项符合查询结果（耗时：0.0406秒） [XML]
Should MySQL have its timezone set to UTC?
...es can be used only if the time zone information tables
in the mysql database have been created and populated.
in the file "my.cnf"
default_time_zone='+00:00'
or
timezone='UTC'
@@global.time_zone variable
To see what value they are set to
SELECT @@global.time_zone;
To set a value for i...
C++ cout hex values?
... use as well. Please refer http://www.cplusplus.com/reference/iostream/ios_base/setf/ for more information.
#include <iostream>
using namespace std;
int main()
{
int num = 255;
cout.setf(ios::hex, ios::basefield);
cout << "Hex: " << num << endl;
cout.unsetf...
how to change uiviewcontroller title independent of tabbar item title
... yourNavigationController.tabBarItem.title = @"Tab Bar Title";
...
}
Based on some quick testing, it seems like these two delegate actions should cover any loose cases and will update the title whether you're switching tabs or browsing in your navigation controller. For completeness, you could...
JavaScript OOP in NodeJS: how?
...e);
}
}
var a1 = new Animal('Dog');
Inheritance :
'use strict';
class Base{
constructor(){
}
// methods definitions go here
}
class Child extends Base{
// methods definitions go here
print(){
}
}
var childObj = new Child();
...
Creating a dynamic choice field
...'s always worth trying to use ModelForm when you need to create/change database objects. Works in 95% of the cases and it's much cleaner than creating your own implementation.
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How can I open a link in a new window?
...ing solution to this issue. I was creating spans which contain information based on the return from a web service. I thought about trying to put a link around the span so that if I clicked on it, the "a" would capture the click.
But I was trying to capture the click with the span... so I thought wh...
Check if Key Exists in NameValueCollection
...ied key is found and its associated value is null.
collection[key] calls base.Get() then base.FindEntry() which internally uses Hashtable with performance O(1).
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...
Semantic-ui vs Bootstrap [closed]
...ny reason, I think it's not that painful (many of Semantic components seem based on Bootstrap).
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Group By Multiple Columns
....com/questions/14189537/… ,it is shown for a data table when grouping is based on a single column, whose name is known, but how can it be done if columns based on which the grouping is to be done has to be generated dynamically ?
– b.g
Dec 22 '16 at 12:42
...
Comet implementation for ASP.NET? [closed]
...simple example of a Long Polling Chat Server using MVC 3 Async Controllers based on a great article by Clay Lenhart
You can use the example on a AppHarbor deployment I set up based on the source from the BitBucket project.
Also, more information available from my blog post explaining the project.
...