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How to sort mongodb with pymongo

...rameters. So if you want to sort by, let's say, id then you should .sort("_id", 1) For multiple fields: .sort([("field1", pymongo.ASCENDING), ("field2", pymongo.DESCENDING)]) share | improve thi...
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Could not load file or assembly 'System.Web.Mvc'

... I just wrote a blog post addressing this. You could install ASP.NET MVC on your server OR you can follow the steps here. EDIT: (by jcolebrand) I went through this link, then had the same issue as Victor below, so I suggest you also add these: * Microsoft.Web.Infrastructure * S...
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What is Hindley-Milner?

...er system is that each well-typed term has a unique "best" type, which is called the principal type. The principal type of the list-length function is "for any a, function from list of a to integer". Here a is a so-called "type parameter," which is explicit in lambda calculus but implicit in most ...
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Moving average or running mean

... UPD: more efficient solutions have been proposed by Alleo and jasaarim. You can use np.convolve for that: np.convolve(x, np.ones((N,))/N, mode='valid') Explanation The running mean is a case of the mathematical operation of convolution. For the running mean, you slide...
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Adding placeholder text to textbox

...der text it is possible to use the Windows SendMessage function to send EM_SETCUEBANNER message to our textbox to do the work for us. This can be done with two easy steps. First we need to expose the Windows SendMessage function. private const int EM_SETCUEBANNER = 0x1501; [DllImport("user32.dll...
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Can't install Ruby under Lion with RVM – GCC issues

...extra parameter rvm install 1.9.3 --with-gcc=clang --with-readline-dir=$rvm_path/usr it installed successfully. – leandro Nov 27 '11 at 13:01 7 ...
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How to remove files that are listed in the .gitignore but still on the repository?

... You can remove them from the repository manually: git rm --cached file1 file2 dir/file3 Or, if you have a lot of files: git rm --cached `git ls-files -i --exclude-from=.gitignore` But this doesn't seem to work in Git Bash on Windows. It produces an error messag...
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How to handle multiple heterogeneous inputs with Logstash?

...gist.github.com/fairchild/3030472 Per documentation: Add a 'type' field to all events handled by this input. Types are used mainly for filter activation. The type is stored as part of the event itself, so you can also use the type to search for it in the web interface. – Tony...
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PHP: How to handle

...s a string. (in this example, the casting is superfluous, as echo automatically does it anyway) $content = simplexml_load_string( '<content><![CDATA[Hello, world!]]></content>' ); echo (string) $content; // or with parent element: $foo = simplexml_load_string( '<foo&g...
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c++读注册表 - C/C++ - 清泛网 - 专注C/C++及内核技术

c++读注册表直接上代码:CString key;key.Format(_T("Software Microsoft Windows CurrentVersion App Paths xxx"));HKEY hKey;LONG rc = R...直接上代码: CString key; key.Format(_T("Software\\Microsoft\\Windows\\CurrentVersion\\App Paths\\xxx")); HKEY hKey; LONG rc = Reg...