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Ruby custom error classes: inheritance of the message attribute
...he message so you don't have to pass it to the constructor:
class MyCustomError < StandardError
attr_reader :object
def initialize(object)
@object = object
end
end
begin
raise MyCustomError.new("an object"), "a message"
rescue MyCustomError => e
puts e.message # => "a messa...
What is a pre-revprop-change hook in SVN, and how do I create it?
I wanted to edit a log comment in the repository browser and received an error message that no pre-revprop-change hook exists for the repository. Besides having a scary name, what is a pre-revprop-change hook, and how do I create it?
...
Nginx缓存解决方案：SRCache - 更多技术 - 清泛网 - 专注C/C++及内核技术
...cgi.conf;
fastcgi_pass 127.0.0.1:9000;
fastcgi_intercept_errors on;
error_page 500 502 503 504 = /phoenix/failover;
}
location = /phoenix/content {
internal;
content_by_lua_file /path/to/phoenix/content.lua;
}
location = /phoenix...
gcc makefile error: “No rule to make target …”
...me of my classes don't have .cpp files, so they weren't there- causing the error. Thanks.
– Meir
May 7 '09 at 14:09
4
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Send POST request using NSURLSession
...ams. The following will send the parameters correctly to a JSON server.
NSError *error;
NSURLSessionConfiguration *configuration = [NSURLSessionConfiguration defaultSessionConfiguration];
NSURLSession *session = [NSURLSession sessionWithConfiguration:configuration delegate:self delegateQueue:nil];...
MySql server startup error 'The server quit without updating PID file '
On Snow Leopard, starting MySQL gives the following error:
50 Answers
50
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Why I am Getting Error 'Channel is unrecoverably broken and will be disposed!'
When I try to launch my AndEngine Activity , I get this error:
19 Answers
19
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How to avoid “if” chains?
...called the centralized function exit:
int foo() {
int result = /*some error code*/;
if(!executeStepA()) goto cleanup;
if(!executeStepB()) goto cleanup;
if(!executeStepC()) goto cleanup;
result = 0;
cleanup:
executeThisFunctionInAnyCase();
return result;
}
Some people ...
The conversion of a datetime2 data type to a datetime data type resulted in an out-of-range value
...
this error occurs when we set public DateTime CreatedDate instead of public DateTime? CreatedDate, because DateTime can not be null, so why its give out of range error. it may helpful, but it resolved my problem.
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error, string or binary data would be truncated when trying to insert
...har(8) field, and you try to put 11 characters in to it, you will get this error.
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