User Portlet
| Discussions |
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| **Cross post [here](https://mathematica.stackexchange.com/questions/271045/how-to-convert-the-listvector-into-packedarray-in-functioncompile)** ---------- I have a compile function `cf` to calculate the mean for a *ragged list*: groups... |
| Cross post [here](https://mathematica.stackexchange.com/questions/155161/how-to-find-out-all-function-and-its-parameter-in-a-dll-file) --- Since function `LibraryFunctionLoad` can load a function from `.dll` file like fun =... |
| The OpenCV provide many powerfull function for image-processing. It can help us a lot. As the [Szabolcs](https://mathematica.stackexchange.com/users/12/szabolcs)... |
| #Cross post [here](https://mathematica.stackexchange.com/questions/144550/how-to-find-a-longest-word-path-in-dictionary) ---------- A word path means the last character of the last word is same to the first character of the next word.If I... |
| Another crossed post qeustion [here](https://mathematica.stackexchange.com/questions/134221/how-to-find-a-street-pattern-that-fits-a-specific-edge-on-a-map).It is very popular from the situation of vote,but I get none response. I have such funny... |
| If we first enter an empty string (`""`), and then paste something within the quotation marks, the following dialog box will pop up: [](https://ooo.0o0.ooo/2017/03/30/58dca4224ab7e.jpg) I... |
| Cross post in *Stack Exchange* in [here](https://mathematica.stackexchange.com/questions/143344/how-to-find-the-a-minimum-cost-perfect-matching). ---------- I want to get a pair with smallest total distance from `pts` in following ... |
| I want to make a "slectAll" and "slectNone" button in CheckboxBar,this is current method DynamicModule[{x}, First[{CheckboxBar[ Dynamic[x], {1, 2, 3, 4 -> "SelectAll", 5 -> "SelectNone"}], If[MemberQ[x, 4], x = {1, 2,... |