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How can I modify the size of column in a MySQL table?
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@WarrenSergent, tested in 5.7.15, it will throw an error if there are values affected by the change. It will not truncate by default. You will have to update the values beforehand with a SUBSTR.
– Robert T.
Nov 4 '16 at 13:36
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AVAudioPlayer throws breakpoint in debug mode
...Does this mean that the framework is responding to and correcting internal errors? Are you aware of any other documentation on it? I can't find much online which suggests to me that this may be down to programmer error...
– Remover
Sep 13 '13 at 9:35
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How do I fetch lines before/after the grep result in bash?
...e the -B and -A to print lines before and after the match.
grep -i -B 10 'error' data
Will print the 10 lines before the match, including the matching line itself.
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How to get a enum value from string in C#?
...e = (uint)choice;
// `value` is what you're looking for
} else { /* error: the string was not an enum member */ }
Before .NET 4.5, you had to do the following, which is more error-prone and throws an exception when an invalid string is passed:
(uint)Enum.Parse(typeof(baseKey), "HKEY_LOCAL_...
NSURLRequest setting the HTTP header
...uest = NSMutableURLRequest(URL:url)
request.HTTPMethod = "POST"
var err: NSError?
request.HTTPBody = NSJSONSerialization.dataWithJSONObject(params, options: nil, error: &err)
request.addValue("application/json", forHTTPHeaderField: "Content-Type")
request.addValue("application/json", forHTTPHead...
What's a concise way to check that environment variables are set in a Unix shell script?
...xpansion. For example, the bash manual says:
${parameter:?word}
Display Error if Null or Unset. If parameter is null or unset, the expansion of word (or a message to that effect if word is not present) is written to the standard error and the shell, if it is not interactive, exits. Otherwise, t...
Java: using switch statement with enum under subclass
... case VALUE_A: {
//..
break;
}
}
The clue is in the error. You don't need to qualify case labels with the enum type, just its value.
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ObjectiveC Parse Integer from String
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Are you kidding me? What if the string is "0"? Is it an error or a correct parse? Kind of sad that Apple abhors exceptions, since this is exactly the place you need them.
– phreakhead
Oct 19 '13 at 8:06
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Linear Regression and group by in R
...6 -0.01852429
Degrees of freedom: 20 total; 16 residual
Residual standard error: 0.8201316
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How to move all files including hidden files into parent directory via *
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I get the following error: mv: overwrite `/path/.'? y mv: cannot move `/path/subfolder/.' to `/path/.': Device or resource busy mv: overwrite `/path/..'? y mv: cannot move `/path/subfolder/..' to `/path/..': Device or resource busy
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