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Eclipse syntax highlighting preferences save and restore

... On my eclipse 3.4.1 (or 3.5Mx), I do see an 'export all' option I can select. That will... export all preferences. You can then edit the resulting file to keep only what interest you, and re-import those specific setting into your eclipse configuration. – VonC ...
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Detect backspace in empty UITextField

...ss UITextField and implement canPerformAction:withSender: to return NO for select: and selectAll: actions when the text is equal to the string @"\u200B". – ma11hew28 Oct 19 '11 at 21:56 ...
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What is “android:allowBackup”?

... using lint via Eclipse, either open the lint warnings view, where you can select the lint error and see a longer explanation, or invoke the quick fix (Ctrl-1) on the error line, and one of the suggestions is "Explain this issue", which will also pop up a fuller explanation. If you are not using Ecl...
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Is the SQL WHERE clause short-circuit evaluated?

...y use this for optional parameters. Is this the same as short circuiting? SELECT [blah] FROM Emp WHERE ((@EmpID = -1) OR (@EmpID = EmpID)) This gives me the option to pass in -1 or whatever to account for optional checking of an attribute. Sometimes this involves joining on multiple tables, ...
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Left align two graph edges (ggplot)

...we have two columns? gA$heights[2:3] does not seem to work. Do I have to select another element of the grob than 2:3? Thank you! – Etienne Low-Décarie Jun 28 '13 at 16:23 ...
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Export to CSV via PHP

...ion: close"); } function getSql() { // return you own sql $sql = "SELECT id, date, params, value FROM sometable ORDER BY date;"; return $sql; } function getExportData() { $values = array(); $sql = $this->getSql(); if (strlen($sql) > 0) { $result = dbquery...
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Is there any way to prevent input type=“number” getting negative values?

...tive number from keyboard. Solution is to prevent with key code: // Select your input element. var number = document.getElementById('number'); // Listen for input event on numInput. number.onkeydown = function(e) { if(!((e.keyCode > 95 && e.keyCode < 106) || (e....
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Scrolling child div scrolls the window, how do I stop that?

... The selected solution is a work of art. Thought it was worthy of a plugin.... $.fn.scrollGuard = function() { return this .on( 'wheel', function ( e ) { var event = e.originalEvent; var d = ev...
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Ternary operator in AngularJS templates

... above creates an object with two properties. The array syntax is used to select either the property with name true or the property with name false, and return the associated value. E.g., <li class="{{{true: 'myClass1 myClass2', false: ''}[$first]}}">...</li> or <li ng-class="{tru...
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How to use pull to refresh in Swift?

...ring(string: "Pull to refresh") refreshControl.addTarget(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 s...