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Get query from java.sql.PreparedStatement [duplicate]
...t if you're lucky, the JDBC driver in question may return the complete SQL by just calling PreparedStatement#toString(). I.e.
System.out.println(preparedStatement);
To my experience, the ones which do so are at least the PostgreSQL 8.x and MySQL 5.x JDBC drivers. For the case your JDBC driver doe...
Best way to check if a Data Table has a null value in it
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jQuery: Adding two attributes via the .attr(); method
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How to trim leading and trailing white spaces of a string?
...om a valid json string, if any.
func (s *ScrubString) UnmarshalJSON(data []byte) error {
ns := string(data)
// Make sure we don't have a blank string of "\"\"".
if len(ns) > 2 && ns[0] != '"' && ns[len(ns)] != '"' {
*s = ""
return nil
}
// Remov...
How to show SQL queries run in the Rails console?
...e all SQL calls and places where it was called. More info https://guides.rubyonrails.org/debugging_rails_applications.html#verbose-query-logs
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A Java collection of value pairs? (tuples?)
...ombok
Using Project Lombok, you can create an immutable pair class simply by writing:
@Value
public class Pair<K, V> {
K key;
V value;
}
Lombok will fill in the constructor, getters, equals(), hashCode(), and toString() methods for you automatically in the generated bytecode. If yo...
How do I create directory if it doesn't exist to create a file?
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Why would $_FILES be empty when uploading files to PHP?
... is spelled correctly. Double check that multipart/form-data is surrounded by STRAIGHT QUOTES, not smart quotes pasted in from Word OR from a website blog (WordPress converts straight quotes to angle quotes!). If you have multiple forms on the page, make sure they both have this attribute. Type them...
SQLAlchemy IN clause
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how to fire event on file select
...ut type="file" id="file" name="file" />
and then:
document.getElementById('file').onchange = function() {
// fire the upload here
};
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