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Go: panic: runtime error: invalid memory address or nil pointer dereference

... According to the docs for func (*Client) Do: "An error is returned if caused by client policy (such as CheckRedirect), or if there was an HTTP protocol error. A non-2xx response doesn't cause an error. When err is nil, resp always contains a non-nil resp.Body." Then lookin...
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Eclipse returns error message “Java was started but returned exit code = 1”

... The error message points to a problem with your Java version. Do you have a JDK installed? Try adding the following (noting the new line): /!\ make sure, that the -vm option occurs before the -vmargs command. Everything a...
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What's the reason for “Error:Cannot determine Java VM executable in selected JDK”?

...85. If you have the other JDK (1.7 in my example) generally configured, no error will occur, but the Project SDK will silently be changed back. Otherwise, this error occurs. The problem can easily be resolved by manually editing the value in ".idea/sbt.xml" to the right JDK version. ...
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C++ templates that accept only certain types

...T*> { ... }; // All other types are invalid, and will cause linker error messages. [Minor EDIT 6/12/2013: Using a declared-but-not-defined template will result in linker, not compiler, error messages.] share ...
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fatal error: malformed or corrupted AST file - Xcode

I get this error when building my app in the latest version of Xcode: 20 Answers 20 ...
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MySQL error 2006: mysql server has gone away

...on't know why. The default value was 1M but when I changed it to 100M the error went away. The problem started when I set wait_timeout = 30 in an attempt to reduce the number of idle threads on my server. – Vincent Apr 11 '18 at 0:27 ...
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How to perform file system scanning

...ath" "os" "flag" "fmt" ) func visit(path string, f os.FileInfo, err error) error { fmt.Printf("Visited: %s\n", path) return nil } func main() { flag.Parse() root := flag.Arg(0) err := filepath.Walk(root, visit) fmt.Printf("filepath.Walk() returned %v\n", err) } Please note th...
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pip broke. how to fix DistributionNotFound error?

Whenever i try to use pip I get an error. For exampple: 11 Answers 11 ...
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How to make remote REST call inside Node.js? any CURL?

...r request = require('request'); request('http://www.google.com', function (error, response, body) { if (!error && response.statusCode == 200) { console.log(body) // Print the google web page. } }) OP also wanted a POST: request.post('http://service.com/upload', {form:{key...
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What is the difference between static_cast and C style casting?

... C cast (int)something can't fail - either you get cast to int or compiler error. – Tomáš Zato - Reinstate Monica Nov 16 '15 at 12:34 4 ...