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Function to calculate distance between two coordinates
...s (from 59.3293371,13.4877472 to 59.3225525,13.4619422 ) are 2.2 kilom>me m>tres while the function returns 1.6 kilom>me m>tres. How can I make this function return the correct distance?
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PHP Error handling: die() Vs trigger_error() Vs throw Exception
... one should never be used in production code, since it's transporting information irrelevant to end-users (a user can't do anything about "Cannot connect to database").
You throw Exceptions if you know that at a certain critical code point, your application can fail and you want your code to recove...
How can I check if character in a string is a letter? (Python)
...pper , but can you check whether or not that character is a letter?
For Example:
6 Answers
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How to get the seconds since epoch from the tim>me m> + date output of gmtim>me m>()?
How do you do reverse gmtim>me m>() , where you put the tim>me m> + date and get the number of seconds?
6 Answers
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Best practices for large solutions in Visual Studio (2008) [closed]
...n with around 100+ projects, most of them C#. Naturally, it takes a long tim>me m> to both open and build, so I am looking for best practices for such beasts. Along the lines of questions I am hoping to get answers to, are:
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Export to CSV via PHP
Let's say I have a database.... is there a way I can export what I have from the database to a CSV file (and text file [if possible]) via PHP?
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VC 对话框背景颜色、控件颜色 - C/C++ - 清泛网 - 专注C/C++及内核技术
...和红色文本,步骤如下:
① 新建一个基于Dialog的MFC AppWizard应用程序ExampleDlg。
② 在CExampleDlgApp ::InitInstance()中添加如下代码:
BOOL CExampleDlgApp: : InitInstance ( )
{
… CExampleDlgDlg dlg;
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%d,%c,%s,%x等转换符 释义 - C/C++ - 清泛网 - 专注C/C++及内核技术
...志〕〔输出最少宽度〕〔.精度〕〔长度〕类型
"%-md" :左对齐,若m比实际少时,按实际输出。
"%m.ns":输出m位,取字符串(左起)n位,左补空格,当n>m or m省略时m=n
e.g. "%7.2s" 输入CHINA
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MFC 时间控件CDataTim>me m>Ctrl使用(获取日期、时间字符串等) - C/C++ - 清泛...
MFC 时间控件CDataTim>me m>Ctrl使用(获取日期、时间字符串等)设置显示格式: 只显示小时( (CDateTim>me m>Ctrl*)GetDlgItem(IDC_StartHour) )->SetFormat(_T("HH"));获取控件的值:CTim>me m> m_date;( (CDa...设置显示格式:
//只显示小时
( (CDateTim>me m>Ctrl*)GetDlgItem(IDC_S...
%d,%c,%s,%x等转换符 释义 - C/C++ - 清泛IT论坛,有思想、有深度
...志〕〔输出最少宽度〕〔.精度〕〔长度〕类型
"%-md" :左对齐,若m比实际少时,按实际输出。
"%m.ns":输出m位,取字符串(左起)n位,左补空格,当n>m or m省略时m=n
e.g. "%7.2s" 输入CHINA
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