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How to convert a double to long without casting?
...e happy with truncating towards zero, just cast:
double d = 1234.56;
long x = (long) d; // x = 1234
This will be faster than going via the wrapper classes - and more importantly, it's more readable. Now, if you need rounding other than "always towards zero" you'll need slightly more complicated c...
How do I serialize a C# anonymous type to a JSON string?
...tting used in many new Microsoft frameworks, including MVC. aspnet.codeplex.com/SourceControl/changeset/view/21528#266491
– Nick Berardi
Mar 29 '09 at 1:13
1
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UIGestureRecognizer on UIImageView
...
userInteractionEnabled still must be set to YES/true in Xcode 8 Objective-C/Swift
– leanne
Sep 5 '17 at 19:19
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show 2 mo...
How do I use ROW_NUMBER()?
... row_number() over (order by id) as rownum
from table_name
)
select max(rownum) from temp
To get the row numbers where name is Matt:
with temp as (
select name, row_number() over (order by id) as rownum
from table_name
)
select rownum from temp where name like 'Matt'
You can further ...
Delete all rows in an HTML table
How can I delete all rows of an HTML table except the <th> 's using Javascript, and without looping through all the rows in the table? I have a very huge table and I don't want to freeze the UI while I'm looping through the rows to delete them
...
How to post JSON to PHP with curl
... a lot of trouble with Zend thinking it was stripping the post.. A simple extraction which worked for me. Also Peter Turners addition of json_decode() providing a \stdClass object. I used it for Garmin API ping responses
– JI-Web
Mar 31 '17 at 0:21
...
OnNotify函数 ON_NOTIFY消息总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...am;
if( hdr->code==NM_CLICK && hdr->idFrom==IDC_BUTTON1)
{
MessageBox(L"你单击了Button1",L"消息");
}
return CDialog::OnNotify(wParam,lParam,pResult);
}
（OnNotify()不响应按钮单击事件？）
自定义WM_NOTIFY消息
习惯了用自定义用户消息进行各种状...
Why would one use nested classes in C++?
... public:
int data;
Node* next;
Node* prev;
};
private:
Node* head;
Node* tail;
};
Here I don't want to expose Node as other people may decide to use the class and that would hinder me from updatin...
Regular expression to match numbers with or without commas and decimals in text
I'm trying to locate and replace all numbers in a body of text. I've found a few example regex's, which almost solve the problem, but none are perfect yet. The problem I have is that the numbers in my text may or may not have decimals and commas. For example:
...
PHP - Check if two arrays are equal
I'd like to check if two arrays are equal. I mean: same size, same index, same values. How can I do that?
15 Answers
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