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Example for sync.WaitGroup correct?
Is this example usage of sync.WaitGroup correct? It gives the expected result, but I am unsure about the wg.Add(4) and the position of wg.Done() . Does it make sense to add the four goroutines at once with wg.Add() ?
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How do I get AWS_ACCESS_KEY_ID for Amazon?
I'm totally new to AWS.
5 Answers
5
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Example invalid utf8 string?
I'm testing how some of my code handles bad data, and I need a few series of bytes that are invalid UTF-8.
5 Answers
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How do .gitignore exclusion rules actually work?
I'm trying to solve a gitignore problem on a large directory structure, but to simplify my question I have reduced it to the following.
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How to use GNU Make on Windows?
I installed MinGW and MSYS, added C:\MinGW\bin to PATH but I still can't run Makefile on Windows' cmd . I would like to run cmd.exe and there type, for example, make all but my cmd says that there is no such command.
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WPF Button with Image
I'm trying to attach an image on a button in WPF, however this code fails. Seems strange after similar code would work perfectly in Mozilla XUL.
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Send POST Request with Data Specified in File via Curl
I need to make a POST request via Curl from the command line. Data for this request is lom>cat m>ed in a file. I know that via PUT this could be done with the --upload-file option.
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Android: When is onCreateOptionsMenu called during Activity lifecycle?
...breakpoints in onCreate (one at the beginning, and one at the end of the method), and I also put one at the beginning of onCreateOptionsMenu . The onCreate method is called first, and before it finishes onCreateOptionsMenu is called.
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How to add /usr/local/bin in $PATH on Mac
When I do 'open .profile' in the terminal I have the following:
6 Answers
6
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Linux find file names with given string
I'm on Ubuntu, and I'd like to find all files in the current directory and subdirectories whose name contains the string "John". I know that grep can match the content in the files, but I have no idea how to use it with file names. Any help would be appreciated.
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