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What does (x ^ 0x1) != 0 mean?
...hex notation
x ^ 0x1 will invert the last bit of x (refer to the XOR truth table in the link above if that's not clear to you).
So, the condition (0 != ( x ^ 0x1 )) will be true if x is greater than 1 or if the last bit of x is 0. Which only leaves x==1 as a value at which the condition will be fa...
How to get names of classes inside a jar file?
...
Reflections doesn't work if run from an executable jar either.
– Luke
Jan 23 '18 at 13:48
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How to use pull to refresh in Swift?
...ddTarget(self, action: #selector(self.refresh(_:)), for: .valueChanged)
tableView.addSubview(refreshControl) // not required when using UITableViewController
}
@objc func refresh(_ sender: AnyObject) {
// Code to refresh table view
}
At some point you could end refreshing.
refreshControl...
iOS - forward all touches through a view
... })
}
}
TIP:
Say then you have a large "holder" panel, perhaps with a table view behind. You make the "holder" panel PassthroughView. It will now work, you can scroll the table "through" the "holder".
But!
On top of the "holder" panel you have some labels or icons. Don't forget, of course thos...
Are custom elements valid HTML5?
...where. See also the WebComponents.js github page & web browser support table.
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To Workflow or Not to Workflow?
...nderstand and to use WF effectively was considered high. Status transition table describing valid transitions and actions to be taken are used for additional flexibility and developers were comfortable with it, easily understanding the concept and purpose.
Chances of business process changes were sl...
What is this operator in MySQL?
... on this, your particular query (fragment) can be converted to the more portable:
WHERE p.name IS NULL
Support
The SQL:2003 standard introduced a predicate for this, which works exactly like MySQL's <=> operator, in the following form:
IS [NOT] DISTINCT FROM
The following is universally sup...
Event binding on dynamically created elements?
...me your code makes the call to .on().
Thus in the following example #dataTable tbody tr must exist before the code is generated.
$("#dataTable tbody tr").on("click", function(event){
console.log($(this).text());
});
If new HTML is being injected into the page, it is preferable to use delega...
Places where JavaBeans are used?
...an use it to create a list of users wherein you store the data of the user table in the database:
List<User> users = new ArrayList<User>();
while (resultSet.next()) {
User user = new User();
user.setId(resultSet.getLong("id"));
user.setName(resultSet.getString("name"));
u...
Logging levels - Logback - rule-of-thumb to assign log levels
... at WARN actually get logged on my deployment configured with ERROR?" The table says, NO.
"Will a logging code line that logs at WARN actually get logged on my deployment configured with DEBUG?" The table says, YES.
from logback documentation:
In a more graphic way, here is how the selection...