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Determining Referer in PHP

... sent, or called (via AJAX), the current page. I don't want to use the $_SERVER['HTTP_REFERER'] , because of the (lack of) reliability, and I need the page being called to only come from requests originating on my site. Edit: I am looking to verify that a script that preforms a series of actio...
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pandas dataframe columns scaling with sklearn

...ndas dataframe with mixed type columns, and I'd like to apply sklearn's min_max_scaler to some of the columns. Ideally, I'd like to do these transformations in place, but haven't figured out a way to do that yet. I've written the following code that works: ...
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Programmatically change UITextField Keyboard type

... _textField .keyboardType = UIKeyboardTypeAlphabet; _textField .keyboardType = UIKeyboardTypeASCIICapable; _textField .keyboardType = UIKeyboardTypeDecimalPad; _textField .keyboardType = UIKeyboardTypeDefault; _textField .keyb...
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What is the best practice for “Copy Local” and with project references?

...@(AllItemsFullPathWithTargetPath)" DependsOnTargets="AssignTargetPaths;_SplitProjectReferencesByFileExistence"> <!-- Get items from this project last so that they will be copied last. --> <CreateItem Include="@(ContentWithTargetPath->'%(FullPath)')" Condit...
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Why do we need extern “C”{ #include } in C++?

...the prototype as a C function, the C++ will actually generate code calling _Zprintf, plus extra crap at the end.) So: use extern "C" {...} when including a c header—it's that simple. Otherwise, you'll have a mismatch in compiled code, and the linker will choke. For most headers, however, you won'...
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jQuery Ajax File Upload

...Data.append("file", this.file, this.getName()); formData.append("upload_file", true); $.ajax({ type: "POST", url: "script", xhr: function () { var myXhr = $.ajaxSettings.xhr(); if (myXhr.upload) { myXhr.upload.addEventListener(...
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Is there a math nCr function in python? [duplicate]

... def nCr(n,r): f = math.factorial return f(n) / f(r) / f(n-r) if __name__ == '__main__': print nCr(4,2) In Python 3, use the integer division // instead of / to avoid overflows: return f(n) // f(r) // f(n-r) Output 6 ...
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MFC 获取当前时间的几种方法总结 - C/C++ - 清泛网 - 专注C/C++及内核技术

...ime curTime = CTime::GetCurrentTime();CString strCurTime;strCurTime.Format(_T("d d d d:d:d"), curTime...1.CTime类获取当前时间 CTime curTime = CTime::GetCurrentTime(); CString strCurTime; strCurTime.Format(_T("d/d/d d:d:d"), curTime.GetYear(), curTime.GetMonth(), curTime.GetDay(), curTi...
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Google breakpad stackwalker无法加载符号 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...Google breakpad安装好以后,按要求生成 sym,但是最终minidump_stackwalk打印出来的堆栈还是提示找不到符号。这是因为它要求符号文件有一 Google breakpad安装好以后,按要求生成.sym,但是最终 minidump_stackwalk 打印出来的堆栈还是提示...
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Why is parenthesis in print voluntary in Python 2.7?

...*This print behavior in Python 2 can be changed to that of Python 3: from __future__ import print_function share | improve this answer | follow | ...