大约有 45,000 项符合查询结果（耗时：0.0403秒） [XML]
Finding local IP addresses using Python's stdlib
...
It might be a good idea to catch socket.error exceptions which may be risen by s.connect()!
– phobie
Oct 14 '11 at 14:52
40
...
jQuery append() - return appended elements
...
This will throw an error if newHtml is not valid HTML or a valid jQuery selector: $('/ This is Not HTML /').appendTo('#myDiv') results in Uncaught Error: Syntax error, unrecognized expression while $('#myDiv').append('/ This is Not HTML /') wor...
Why does Ruby have both private and protected methods?
... # true
gimli.name # 'Gimli'
gimli.age # NoMethodError: private method `age'
called for #<Dwarf:0x007ff552140128>
gimli.beard_strength # NoMethodError: protected method `beard_strength'
called for #<Dwarf:0x007ff552...
How can I modify the size of column in a MySQL table?
...
@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
...
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
...
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.
share
|
improve this answer
...
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_...
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.
share
|
improve this answer
|
...
Linear Regression and group by in R
...6 -0.01852429
Degrees of freedom: 20 total; 16 residual
Residual standard error: 0.8201316
share
|
improve this answer
|
follow
|
...