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Accept function as parameter in PHP
... call_user_func_array($fun,$args);
} else {
// error out
print("ERROR: Funciton not found: ". $method);
}
}
}
?>
and an example of usage
<?php
/*create a sample function*/
function sayHello($some = "all"){
?>
<br...
quick random row selection in Postgres
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This has an off by one error. It will never return the first row and will generate an error 1/COUNT(*) because it will try to return the row after the last row.
– Ian
Mar 21 '14 at 20:24
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Why does Node.js' fs.readFile() return a buffer instead of string?
... data.length)
Asynchronously:
fs.readFile('test.txt', 'utf8', function (error, data) {
if (error) throw error;
console.log(data.toString());
});
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How come a non-const reference cannot bind to a temporary object?
...ld get at the modified value anyway. He says that this, most likely, is an error.
– sbi
Oct 14 '09 at 16:56
2
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Converting unix timestamp string to readable date
...to convert it to a readable date. When I use time.strftime , I get a TypeError :
15 Answers
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Posting a File and Associated Data to a RESTful WebService preferably as JSON
...on" forHTTPHeaderField:@"Photo-Description"];
NSURLResponse *response;
NSError *error;
[NSURLConnection sendSynchronousRequest:request returningResponse:&response error:&error];
At the server side, I receive the photo using the code:
InputStream is = request.inputStream
def receivedPh...
Can you run GUI applications in a Docker container?
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the creackfirefox-vnc image fails with error: Enter VNC password: stty: standard input: Inappropriate ioctl for device fgets: No such file or directory stty: standard input: Inappropriate ioctl for device x11vnc -usepw: could not find a password to use.
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How can I find the last element in a List?
...serve to be the top answer, it reads terribly and leaves the chance for an error if count is zero. The CleanCode™ approach would be to use Last/LastOrDefault as mentioned below.
– chillitom
Dec 4 '13 at 18:04
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How does a “stack overflow” occur and how do you prevent it?
...nded. Intentional cycles and recursion need to be artificially checked to error out if they call each other too many times.
Beyond good programming practices, static and dynamic testing, there's not much you can do on these high level systems.
Embedded systems
In the embedded world, especially i...
Find and Replace Inside a Text File from a Bash Command
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Note for Mac users who get an invalid command code C error... For in-place replacements, BSD sed requires a file extension after the -i flag because it saves a backup file with the given extension. For example: sed -i '.bak' 's/find/replace/' /file.txt You can skip the backu...