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Best way to replace multiple characters in a string?

...ompile('([&#])') def d(text): text = RX.sub(r'\\\1', text) def mk_esc(esc_chars): return lambda s: ''.join(['\\' + c if c in esc_chars else c for c in s]) esc = mk_esc('&#') def e(text): esc(text) def f(text): text = text.replace('&', '\&').replace('#', '\#') de...
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performSelector may cause a leak because its selector is unknown

... should simply be ignored, and it's easy to work around. Here's how: if (!_controller) { return; } SEL selector = NSSelectorFromString(@"someMethod"); IMP imp = [_controller methodForSelector:selector]; void (*func)(id, SEL) = (void *)imp; func(_controller, selector); Or more tersely (though hard...
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How can I extract the folder path from file path in Python?

....path.split(os.path.abspath(existGDBPath)) ('T:\\Data\\DBDesign', 'DBDesign_93_v141b.mdb') share | improve this answer | follow | ...
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How to find the width of a div using vanilla JavaScript?

... edited Nov 4 '15 at 11:07 sudo_dudo 50744 silver badges1616 bronze badges answered Sep 12 '14 at 18:10 user3...
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How to resize superview to fit all subviews with autolayout?

... *) indexPath { static TSTableViewCell *sizingCell; static dispatch_once_t onceToken; dispatch_once(&onceToken, ^{ sizingCell = (TSTableViewCell*)[tableView dequeueReusableCellWithIdentifier: @"TSTableViewCell"]; }); // configure the cell sizingCell.text = self....
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How to check whether a script is running under Node.js?

...e server. var root = this; // Create a reference to this var _ = new Object(); var isNode = false; // Export the Underscore object for **CommonJS**, with backwards-compatibility // for the old `require()` API. If we're not in CommonJS, add `_` to the // global object....
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Change a Django form field to a hidden field

...get the value. also you may prefer to use in the view: form.fields['field_name'].widget = forms.HiddenInput() but I'm not sure it will protect save method on post. Hope it helps. share | improv...
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Regex Email validation

...ccurate as mine, I thought I would post it here. @"^[\w!#$%&'*+\-/=?\^_`{|}~]+(\.[\w!#$%&'*+\-/=?\^_`{|}~]+)*" + "@" + @"((([\-\w]+\.)+[a-zA-Z]{2,4})|(([0-9]{1,3}\.){3}[0-9]{1,3}))$"; For more info go read about it here: C# – Email Regular Expression Also, this checks for RFC validity ...
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What does the Q_OBJECT macro do? Why do all Qt objects need this macro?

...ing Qt and noticed that all the example class definitions have the macro Q_OBJECT as the first line. What is the purpose of this preprocessor macro? ...
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Positioning MKMapView to show multiple annotations at once

...(IBAction)zoomOut:(id)sender { CLLocationCoordinate2D southWest = _newLocation.coordinate; CLLocationCoordinate2D northEast = southWest; southWest.latitude = MIN(southWest.latitude, _annotation.coordinate.latitude); southWest.longitude = MIN(southWest.longitude, _an...