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How to avoid “cannot load such file — utils/popen” from homebrew on OSX
I'm getting an error when I run brew in the terminal:
9 Answers
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Compare floats in php
...ause it looks small, this comparison will return true in alot of precision errors when the numbers are small. A correct way would be to check if the relative error is smaller than the epsilon. abs($a-$b) > abs(($a-$b)/$b)
– Piet Bijl
Jun 21 '13 at 13:18
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C++ Redefinition Header Files (winsock2.h)
... MyClass.h in many files, so it includes multiple times and redefinition error occurs. How to prevent?
16 Answers
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Why does Google prepend while(1); to their JSON responses?
...t without any processing, resulting in either an infinite loop or a syntax error.
This does not address the issue of cross-site request forgery.
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Attempted to read or write protected memory. This is often an indication that other memory is corrup
... hoping someone can enlighten me as to what could possibly be causing this error:
26 Answers
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Why would json_encode return an empty string
... return utf8_encode($d);
return $d;
}
One more note: json_last_error() may be helpful in debugging json_encode()/json_encode() functions.
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Passing an array to a query using a WHERE clause
... must be at least one value inside the parenthesis or MySQL will return an error; this equates to making sure that our input array has at least one value. To help prevent against SQL injection attacks, first generate a ? for each input item to create a parameterized query. Here I assume that the arr...
HTML5 form required attribute. Set custom validation message?
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I tried this but there is still an error. If you leave the field empty it shows the message, then enter something in the field but it now shows an empty message and the action isn't executed. If you now click the button again, it will go through.
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Commands out of sync; you can't run this command now
...execute my PHP code, which calls two MySQL queries via mysqli, and get the error "Commands out of sync; you can't run this command now".
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Create directories using make file
...ts, there are other ways to fix the 'do not know how to make output/debug' error that results. One is to remove the dependency on the the 'directories' line. This works because 'mkdir -p' does not generate errors if all the directories it is asked to create already exist. The other is the mechani...