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What is the meaning of “__attribute__((packed, aligned(4))) ”

...es in some cases. Consider the following structure: typedef struct { char Data1; int Data2; unsigned short Data3; char Data4; }sSampleStruct; sizeof(sSampleStruct) will be 12 rather than 8. Because of structure padding. By default, In X86, structures will be padded to 4-byte ...
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Simple Digit Recognition OCR in OpenCV-Python

...sults, neigh_resp, dists = model.find_nearest(roismall, k = 1) string = str(int((results[0][0]))) cv2.putText(out,string,(x,y+h),0,1,(0,255,0)) cv2.imshow('im',im) cv2.imshow('out',out) cv2.waitKey(0) And it worked, below is the result I got: Here it worked with 100% ...
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How do I pass an object from one activity to another on Android? [duplicate]

...stead of simply putting the Parcelable object directly via Intent.putExtra(String name,Parcelable value) and then retrieving via Intent.getParcelableExtra(String name)? – Tony Chan Aug 2 '13 at 22:57 ...
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C++ Structure Initialization

...er. And dot notation is way safer if you happen to add the same type (like char*) as one of the other members above or below in the structure, because there's no risk of swapping them. – Gui13 Nov 16 '16 at 9:21 ...
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Extract hostname name from string

...uld like to match just the root of a URL and not the whole URL from a text string. Given: 27 Answers ...
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How to split a file into equal parts, without breaking individual lines? [duplicate]

... var dict = File.ReadLines("test.txt") .Where(line => !string.IsNullOrWhitespace(line)) .Select(line => line.Split(new char[] { '=' }, 2, 0)) .ToDictionary(parts => parts[0], parts => parts[1]); or enter code here line="to=xxx@gmail...
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How can I clear or empty a StringBuilder? [duplicate]

I'm using a StringBuilder in a loop and every x iterations I want to empty it and start with an empty StringBuilder , but I can't see any method similar to the .NET StringBuilder.Clear in the documentation, just the delete method which seems overly complicated. ...
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Install Application programmatically on Android

...<application android:allowBackup="true" android:label="@string/app_name"> <provider android:name="android.support.v4.content.FileProvider" android:authorities="${applicationId}.authorityStr" android:exported="false" and...
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Measuring execution time of a function in C++

...usage: #include <iostream> #include <algorithm> typedef std::string String; //first test function doing something int countCharInString(String s, char delim){ int count=0; String::size_type pos = s.find_first_of(delim); while ((pos = s.find_first_of(delim, pos)) != String:...
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Determine a string's encoding in C#

Is there any way to determine a string's encoding in C#? 9 Answers 9 ...