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python - Minimum Euclidean distance between points in two different Numpy arrays, not within

I have two arrays of x-y coordinates, and I would like to find the minimum Euclidean distance between ... there a way to efficiently generate this submatrix? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - YUV_420_888 interpretation on Samsung Galaxy S7 (Camera2)

I wrote a conversion from YUV_420_888 to Bitmap, considering the following logic (as I understand it): To summarize ... works now, thanks to Eddy's Feedback. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Generic method with multiple constraints

I have a generic method which has two generic parameters. I tried to compile the code below but it ... ) where TRequest : MyClass, TResponse : MyOtherClass Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - jQuery $("#radioButton").change(...) not firing during de-selection

About a month ago Mitt's question went unanswered. Sadly, I'm running into the same situation now. http://api.jquery.com ... ('disabled', true); } }); </script> Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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dbcontext - Entity Framework and calling context.dispose()

When should one call DbContext.dispose() with entity framework? Is this imaginary method bad? public static string GetName ... == userId); } return userName; } Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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367 views

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javascript - Get multiple elements by Id

I have a page with anchor tags throughout the body like this: <a id="test" name="Name 1"></a> <a ... multiple elements by Id. Any help is greatly appreciated. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - When to catch the Exception vs When to throw the Exceptions?

I have been coding in Java for a while now. But sometimes, I don't understand when I should throw the exception ... then catch it in the main calling Method A? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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windows - Compiling assembly in Visual Studio

How do you compile assembly code using Visual Studio? I want to compile and run an assembly source file in Visual ... Build Customizations..), but to no avail. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Objective-C Exceptions

I have just completed an iPhone app programming course. As part of the course, I saw Objective-C provides exception ... use Objective-C exceptions? If so, why? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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iOS6 MKMapView using a ton of memory, to the point of crashing the app, anyone else notice this?

Has anyone else, who's using maps in their iOS 6 apps, noticing extremely high memory use to the point of ... 6 maps? Also, does anyone have a solution? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - How does the messages-count example in Meteor docs work?

Having trouble full understanding this example from the docs... I tried running it a bunch of different ways so I could ... count"); self.flush(); }); }); Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - how to convert an RGB image to numpy array?

I have an RGB image. I want to convert it to numpy array. I did the following im = cv.LoadImage("abc.tiff") ... with no shape. I assume it is a iplimage object. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Are there inline functions in java?

Is there a concept of inline functions in java, or its replaced something else? If there is, how is it ... functions. Can we create our own inline function? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Checking toast message in android espresso

Would anyone know how to test for the appearance of a Toast message in android espresso? In robotium its ... in espresso but dont getting the exact command. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Why isn't Array a generic type?

Array is declared: public abstract class Array : ICloneable, IList, ICollection, IEnumerable { I'm wondering why ... public partial class Array: Array<object> { Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c++ - How do sizeof(arr) / sizeof(arr[0]) work?

When looking for a size of an array in a for loop I've seen people write int arr[10]; for(int i = 0; ... the length of the array? How does it technically work? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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361 views

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c# - HTML Agility Pack strip tags NOT IN whitelist

I'm trying to create a function which removes html tags and attributes which are not in a white list. I have ... MS WORD into ny WYSYWYG html editor. Thanks.! Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Move markers in google map v2 android

I am doing map clustering in Android Google maps v2. I just want to animate the marker from one geopoint to another. ... way to move a marker in Google maps v2? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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261 views

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objective c - iOS application executing tasks in background

I was wondering if I could send some webservice calls while my application is in the background. How does ... press the home button my call stays connected. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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memory leaks - How to use valgrind with python?

I am trying to memcheck a C python extension I am writing, but I'm having trouble setting up valgrind to ... that doesn't leak and get clean valgrind output? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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130 views

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c - Why vectorizing the loop does not have performance improvement

I am investigating the effect of vectorization on the performance of the program. In this regard, I have written following ... Pro core i5 @2.5GHz (dual core) Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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984 views

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functional programming - How to call Python functions dynamically

I have this code: fields = ['name','email'] def clean_name(): pass def clean_email(): pass How can I call ... doesn't work. How to do this with Python? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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235 views

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javascript - $.each() vs for() loop - and performance

These are mainly just some things I've been wondering, maybe someone can give me a little more insight on them, i'll ... <-- over 8x faster Just my 2cents. :) Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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293 views

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c# - How to compare only Date without Time in DateTime types in Linq to SQL with Entity Framework?

Is there a way to compare two DateTime variables in Linq2Sql but to disregard the Time part. The app stores items in ... . Is there a better way to do this? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - Xcode 9 GM - WKWebView NSCoding support was broken in previous versions

Does anyone know how to fix this error with Xcode 9 GM? I'm working on an app made with Xcode 8.3, ... about this behavior. Thanks to him for the explanation. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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152 views

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c++ - Concatenate two string literals

I am reading Accelerated C++ by Koenig. He writes that "the new idea is that we can use + to concatenate a ... t this not have worked?) but not the second. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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forbiddenfruit - Extension method for python built-in types

is it possible to add extension method to python built-in types? I know that I can add extension method to defined ... lambda self,x:x * 2 list.myExtension(10) Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Removing control characters from a string in python

I currently have the following code def removeControlCharacters(line): i = 0 for c in line: if (c < chr(32 ... there are more than one character to be deleted. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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