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PHP json_decode() returns NULL with valid JSON?
...t could be the encoding of the special characters. You could ask json_last_error() to get definite information.
Update: The issue is solved, look at the "Solution" paragraph in the question.
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What does string::npos mean in this code?
..."not found"); // assume it returns npos
if (idx == std::string::npos) { // ERROR: comparison might not work
...
}
One way to avoid this error is to check whether the search fails directly:
if (s.find("hi") == std::string::npos) {
...
}
However, often you need the index of the matching character...
C++ catch blocks - catch exception by value or reference? [duplicate]
...yException which inherits from CustomException and overrides items like an error code. If a MyException type was thrown your catch block would cause it to be converted to a CustomException instance which would cause the error code to change.
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Is the NOLOCK (Sql Server hint) bad practice?
...r your mission critical web based application, a NOLOCK scan can cause 601 error which will terminate the query due to data movement as a result of lack of locking protection.
I suggest reading When Snapshot Isolation Helps and When It Hurts - the MSDN recommends using READ COMMITTED SNAPSHOT rathe...
Why can't overriding methods throw exceptions broader than the overridden method?
...s Sub4 extends Sub2 {
@Override
public void test() throws AssertionError {
// Unchecked Exception IS-A RuntimeException or IS-A Error
System.out.println("Sub4.test()");
}
}
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How to compare variables to undefined, if I don’t know whether they exist? [duplicate]
...ere.
}
Note that typeof always returns a string, and doesn't generate an error if the variable doesn't exist at all.
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How does “do something OR DIE()” work in PHP?
...atement after OR. A block statement will fail syntax checking (e.g. actual error message could be Parse error: syntax error, unexpected '{' in ...)
– Scott Chu
May 21 '12 at 17:26
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IntelliJ not recognizing a particular file correctly, instead its stuck as a text file
...resolution; IntelliJ 13. When trying to create the file, I encountered the error 'Unable to parse template "Interface" Selected class file name mapped to not java'. Couldn't find that error message anywhere in Google, so posting it here in case someone else needs it.
– Knetic
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Apache shows PHP code instead of executing it
...member the extension but I think it's .so.
Also check in /var/log/apache2/error.log to see if you have any other errors.
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Android accelerometer accuracy (Inertial navigation)
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You get position by integrating the linear acceleration twice but the error is horrible. It is useless in practice.
Here is an explanation why (Google Tech Talk) at 23:20. I highly recommend this video.
It is not the accelerometer noise that causes the problem but the gyro white noise, see su...