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Count rows with not empty value
...EDIT: the function is countblank, not countblanks, the latter will give an error.
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JUnit test for System.out.println()
...ests for an old application that's poorly designed and is writing a lot of error messages to standard output. When the getResponse(String request) method behaves correctly it returns a XML response:
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C++ unordered_map using a custom class type as the key
...I put this at the bottom of my Key.cpp file but I am getting the following error: Error 57 error C2440: 'type cast' : cannot convert from 'const Key' to 'size_t' c:\program files (x86)\microsoft visual studio 10.0\vc\include\xfunctional. I am guessing that the compiler is not finding my hash method...
PHP abstract properties
...tends AbstractFoo
{
//const BAR = 'foobar';
}
$foo = new Foo; //Fatal Error: Undefined class constant 'BAR' (uncomment const BAR = 'foobar';)
echo $foo->bar;
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Write to .txt file?
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FILE *f = fopen("file.txt", "w");
if (f == NULL)
{
printf("Error opening file!\n");
exit(1);
}
/* print some text */
const char *text = "Write this to the file";
fprintf(f, "Some text: %s\n", text);
/* print integers and floats */
int i = 1;
float py = 3.1415927;
fprintf(f, "In...
How to upgrade Git to latest version on macOS?
...ut it didn't set up the symlink properly. running brew link git gave me an error saying it couldn't symlink git because it already existed. finally running brew link --overwrite git put the nail in the coffin so now git --version shows i'm on the most up to date version of git
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How does Access-Control-Allow-Origin header work?
...allowed to access this page, the browser will trigger the XMLHttpRequest's error event and deny the response data to the requesting JavaScript code.
Non-simple requests
What happens on the network level can be slightly more complex than explained above. If the request is a "non-simple" request, t...
Microsoft.WebApplication.targets was not found, on the build server. What's your solution?
Trying to build my project on the build server gives me the following error:
21 Answers
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How can I lookup a Java enum from its String value?
...untime optimizations... the ordering could be resequenced, resulting in an error. However, this would appear to violate the spec.
– Darrell Teague
Jun 17 '16 at 16:33
add a co...
How to permanently remove few commits from remote branch
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This gives me error as "remote: error: denying non-fast-forward refs/heads/master (you should pull first)"
– Saurabhcdt
Nov 14 '18 at 9:30
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