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Preloading images with JavaScript

...OP: var preloadImage = function (url) { try { var _img = new Image(); _img.src = url; } catch (e) { } } Standard: function preloadImage (url) { try { var _img = new Image(); _img.src = url; } catch (e) { ...
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What is Hindley-Milner?

...ion<`y, `z>, Function<`y, `aa>> factorial : Function<Int32, Int32> fmap : Function<Function<`au, `ax>, List<`au>, List<`ax>> ... Done. See also Brian McKenna's JavaScript implementation on bitbucket, which also helps to get started (worked for me). ...
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How do you query for “is not null” in Mongo?

... answered Mar 15 '11 at 17:32 Tim GautierTim Gautier 24.1k44 gold badges4141 silver badges4949 bronze badges ...
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Pandas percentage of total with groupby

...3]: state office_id AZ 2 0.492037 4 0.315321 6 0.192643 CA 1 0.441573 3 0.400546 5 0.157881 CO 1 0.388271 3 0.249779 5 0.361949 WA 2 ...
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Convert a Git folder to a submodule retrospectively?

...se filter-branch on a clone of the original repository: git clone <your_project> <your_submodule> cd <your_submodule> git filter-branch --subdirectory-filter 'path/to/your/submodule' --prune-empty -- --all It's then nothing more than deleting your original directory and adding t...
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How to implement a tree data-structure in Java? [closed]

... edited Mar 11 '18 at 20:09 Ma_124 4333 silver badges1010 bronze badges answered Oct 29 '10 at 18:20 Mountai...
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Python multiprocessing PicklingError: Can't pickle

...as mp class Foo(): @staticmethod def work(self): pass if __name__ == '__main__': pool = mp.Pool() foo = Foo() pool.apply_async(foo.work) pool.close() pool.join() yields an error almost identical to the one you posted: Exception in thread Thread-2: Tracebac...
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How to extract an assembly from the GAC?

...m GAC. Follow the following steps to copy DLL from GAC Run regsvr32 /u C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\shfusion.dll shfusion.dll is an explorer extension DLL that gives a distinct look to the GAC folder. Unregistering this file will remove the assembly cache vie...
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Add single element to array in numpy

...swered Sep 7 '11 at 11:15 reader_1000reader_1000 2,2831515 silver badges1414 bronze badges ...
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Find a private field with Reflection?

...can do it just like with a property: FieldInfo fi = typeof(Foo).GetField("_bar", BindingFlags.NonPublic | BindingFlags.Instance); if (fi.GetCustomAttributes(typeof(SomeAttribute)) != null) ... share | ...