c tag

1304 questions

1 answers
56 views
0

I want to set the timeout period for AVPlayer.

I use Objective-C to create iOS apps.I want to read MP3 files on the network and play audio.Using AVPlayer and AVPlayerItem classes in AVFoundation, like AVPlayerItemWithURL:urlYou are playing audio w...

ios objective-c

2 years ago

2 answers
40 views
0

with respect to pointers and sequences

I don't know how to solve Kyoto Sangyo University's report problem.Kyoto Sangyo University reporting assignmentI'm a high school student.I'm learning the pointer.I'm solving an exercise question on th...

2 years ago

2 answers
141 views
0

ElasticBeanstalk inaccessible over VPN

Please tell me about the description.Elasticbeanstalk is installed in a private subnet, but is inaccessible via VPN (home) (instances can be generated without problems).Our environment is [Home]192.16...

aws vpn vpc

2 years ago

1 answers
47 views
0

I want to array URLs in TableView

Sorry for the inconvenience.I want to arrange the URLs in an array in TableView, but it doesn't work.I don't know how to solve this problem because it's not the URL taken from the array urls, but the ...

ios objective-c xcode

2 years ago

2 answers
69 views
0

Using Binary and Text Modes

How do I use binary and text modes differently?What are the differences?http://www7b.biglobe.ne.jp/~robe/cpphtml/ I was not satisfied with this explanation

2 years ago

3 answers
38 views
0

SIMD Programming Matrixes

I'm a beginner in C language.When I wrote a program that calculated 8x8 matrices using SIMD instructions, it became strange that segmentation fault happened and didn't happen every time I ran it.I wou...

2 years ago

2 answers
39 views
0

Implementation of Eratosthenes sieve in C language

I understood the principle of reading the hints or listening to the teacher's explanation, but I don't know where to start writing the program at all.By the way, here are some tips given:hints:Step 1:...

2 years ago

1 answers
128 views
0

gcc compilation errors: error adding symbol: file in wrong format

Compiling in Ubuntu 16.04, gcc 5.4.0 environment results in an error.execution commands:gcc-T link.ls-March i486-m32-o haribote.hrb bootpack.chankaku.caskfunc.o-lcerror messages: libgcc_s.o:error addi...

linux c ubuntu gcc

2 years ago

1 answers
81 views
0

Please let me know if there is a way to get the first address of any line of a two-dimensional array "quickly."

(I was confused about the multiplication time.Please see 774RR's response.)Suppose you have a large array of about 1000 x 1000 (such as an image).iTo get the first address on the line,double lightness...

c array pointer

2 years ago

1 answers
51 views
0

I want to use my own icon for UIBarButtonItem

I'd like to put my own image in UITabBarButtonItem, but if you set the png image, The 32*32 image is just the right size, but the image quality gets rough.However, if you set the 64*64 image, it is to...

swift ios objective-c xcode

2 years ago

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