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Reading a file line by line in Go

...ze per line. You will get bufio.ErrTooLong error, which is bufio.Scanner: token too long if the line is too long. In which case, you'll have to use bufio.ReaderLine() or ReadString(). – eduncan911 Oct 21 '14 at 14:49 ...
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Loop backwards using indices in Python?

... This is better than the accepted answer since it doesn't actually allocate all the numbers in memory (in Python 3 the accepted answer wouldn't either), plus it's more obvious what is happening. – Blixt Mar 23 '12 at 13:52 ...
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unable to start mongodb local server

...:27017 is self-speaking. Another instance of mongod is already running and allocating the MongoDB default port which is 27017. Either kill the other process or use a different port." In this case, type the following command ps wuax | grep mongo You should see something that looks like this User ...
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When is it right for a constructor to throw an exception?

...and Foo's constructor throws, the language WILL reclaim the memory. If you allocate memory in a constructor and provide no means for releasing it other than the destructor, then the language won't reclaim it if you throw later in the cnostructor. But then, you should have immediately wrapped every a...
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How I can I lazily read multiple JSON values from a file/stream in Python?

...ble. The only feasible way to do this generically is to implement a proper tokenizer. After not finding a generic-enough and reasonably well-performing solution, I ended doing this myself, writing the splitstream module. It is a pre-tokenizer that understands JSON and XML and splits a continuous st...
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Get a substring of a char* [duplicate]

... @alexandernst: How exactly? 5 bytes allocated on the stack (which will get freed when it drops out of scope) is hardly wasting memory ... – Goz Nov 11 '13 at 21:38 ...
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Difference between a Structure and a Union

...e short answer: a struct is a record structure: each element in the struct allocates new space. So, a struct like struct foobarbazquux_t { int foo; long bar; double baz; long double quux; } allocates at least (sizeof(int)+sizeof(long)+sizeof(double)+sizeof(long double)) bytes in...
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Push Notifications in Android Platform

... step by step complete tutorial Code snip to get Registration ID (Device Token for Push Notification). Configure project for GCM Update AndroidManifest file For enable GCM in our project we need to add few permission in our manifest file Go to AndroidManifest.xml and add below code Add Permission...
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In MySQL what does “Overhead” mean, what is bad about it, and how to fix it?

... Overhead is Data_free of a table, that is The number of allocated but unused bytes. We can find it by SQL command SHOW TABLE STATUS. It is the free space in allocated size for your table. share | ...
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How do I export UIImage array as a movie?

...riter: NSError *error = nil; AVAssetWriter *videoWriter = [[AVAssetWriter alloc] initWithURL: [NSURL fileURLWithPath:somePath] fileType:AVFileTypeQuickTimeMovie error:&error]; NSParameterAssert(videoWriter); NSDictionary *videoSettings = [NSDictionary dictionaryWithObjectsAndKeys: ...