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How to read integer value from the standard input in Java
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If he enters a string or 'Enter' it will throw a NumberFormatException. So it's better to control the string before parsing it to Integer
– Vasile Surdu
Jun 28 '14 at 8:57
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JSLint says “missing radix parameter”
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It always a good practice to pass radix with parseInt -
parseInt(string, radix)
For decimal -
parseInt(id.substring(id.length - 1), 10)
If the radix parameter is omitted, JavaScript assumes the following:
If the string begins with "0x", the radix is 16 (hexadecimal)
If the string begins...
ImportError: no module named win32api
...m using Python 2.7 and I want to use pywin32-214 on Windows 7 . I installed pywin32-214 by using the msi installer. But when I import win32api in my Python script, it throws the error:
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Symfony2 : How to get form validation errors after binding the request to the form
...s($child);
}
}
return $errors;
}
To get all errors as a string:
$string = var_export($this->getErrorMessages($form), true);
Symfony 2.5 / 3.0:
$string = (string) $form->getErrors(true, false);
Docs:
https://github.com/symfony/symfony/blob/master/UPGRADE-2.5.md#form
h...
How do I set cell value to Date and apply default Excel date format?
... What is the best approach. Rely on the dataFormat short value (14) or the string value ("m/d/yy"). Which is really the constant value which describes the standard date format in Excel? DataFormat.getFormat() has both with string and with short value as parameter.
– Miklos Kriv...
Replacing column values in a pandas DataFrame
...female': 1, 'male': 0})
(Here I convert the values to numbers instead of strings containing numbers. You can convert them to "1" and "0", if you really want, but I'm not sure why you'd want that.)
The reason your code doesn't work is because using ['female'] on a column (the second 'female' in y...
Assigning code to a variable
...ould add "message" as a parameter (note that I changed Action to Action<string> in order to specify a single string parameter):
Action<string> ButtonClicked = (message) => MessageBox.Show(message);
ButtonClicked("hello world!");
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json_decode to array
I am trying to decode a JSON string into an array but i get the following error.
12 Answers
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When to use the brace-enclosed initializer?
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@user1304032: A locale is not a string, therefore you wouldn't use copy initialization. A locale also does not contain a string (it might store that string as implementation detail, but that's not its purpose), therefore you wouldn't use brace initializatio...
What does $@ mean in a shell script?
... join all arguments by single spaces as well and
# will then split the string as the shell does on the command
# line, thus it will split an argument containing spaces into
# several arguments.
Example: Calling
wrapper "one two three" four five "six seven"
will result in:
"$@": ...