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How to execute a java .class from the command line
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java Echo "hello"
And later as Fredrik points out you'll get another error message like.
Exception in thread "main" java.lang.NoSuchMethodError: main
When that happens, go and read his answer :)
share
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How to get the current time in Python
...t in a database, but it would require far more memory and be more prone to error than simply storing the Unix Epoch time, which I demonstrated first.
The other ways of viewing times are much more error prone, especially when dealing with data that may come from different time zones. You want there...
Labels for radio buttons in rails form
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this method also renders the field_with_errors div when necessary (that doesn't show up when using the :contactmethod_email method). this is the correct answer!
– caesarsol
Dec 3 '14 at 18:26
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Has Facebook sharer.php changed to no longer accept detailed parameters?
...echo 'Please <a href="' . $login_url . '">login.</a>';
error_log($e->getType());
error_log($e->getMessage());
}
} else {
// No user, so print a link for the user to login
// To post to a user's wall, we need publish_stream permission
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How do I rename a column in a SQLite database table?
...antic ambiguity in a trigger or view, then the RENAME COLUMN fails with an error and no changes are applied.
Image source: https://www.sqlite.org/images/syntax/alter-table-stmt.gif
Example:
CREATE TABLE tab AS SELECT 1 AS c;
SELECT * FROM tab;
ALTER TABLE tab RENAME COLUMN c to c_new;
SELECT...
Using reflect, how do you set the value of a struct field?
...ep example which sets the value of a struct field while carefully avoiding errors.
The Go reflect package has a CanAddr function.
func (v Value) CanAddr() bool
CanAddr returns true if the value's
address can be obtained with Addr.
Such values are called addressable. A
value is addressab...
Python Pandas merge only certain columns
...ng this to merge column 'Unique_External_Users' from df2 to df1 but got an error ... "None of [Index(['U', 'n', 'i', 'q', 'u', 'e', '', 'E', 'x', 't', 'e', 'r', 'n', 'a',\n 'l', '', 'U', 's', 'e', 'r', 's'],\n dtype='object')] are in the [columns]" .
– CoolDocMan
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Using C# regular expressions to remove HTML tags
... sure if the general case can be handled by any regular expression without errors.
– Daniel Brückner
Apr 25 '09 at 0:49
1
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How to change an application icon programmatically in Android?
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Error running app. Default activity not found.
– CopsOnRoad
Oct 15 '17 at 7:20
1
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Using multiple property files (via PropertyPlaceholderConfigurer) in multiple projects/modules
...lvable and ignore-resource-not-found serve different purposes. To prevent errors when the property file does not exist, use ignore-resource-not-found="true". To prevent errors when you use a property that does not exist in the file, use ignore-unresolvable="true". If you have multiple files that ...