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Django set default form values

...riable and iterate through its contents without you needing to do anything extra). Personally, I prefer to specify default values in the form definition and only use the initial=... mechanism if the desired default is a dynamic value (e.g. something entered by a user, or based on their login, geogra...
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Split a collection into `n` parts with LINQ?

...OfChunks"); int sizePerPacket = items.Count / numberOfChunks; int extra = items.Count % numberOfChunks; for (int i = 0; i < numberOfChunks - extra; i++) yield return items.Skip(i * sizePerPacket).Take(sizePerPacket); int alreadyReturnedCount = (numberOfChunks - extra) *...
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About Android image and asset sizes

...i (240 dpi, High density screen) - 72px x 72px (0.38) (2) xhdpi (320 dpi, Extra-high density screen) - 96px x 96px (0.5) (2.67) xxhdpi (480 dpi, Extra-extra-high density screen) - 144px x 144px (0.75) (4) xxxhdpi (640 dpi, Extra-extra-extra-high density screen) - 192px x 192px (1.0) (5.33) My sh...
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Word wrap for a label in Windows Forms

...eed to do in OnPaint is: Measure the height of the text (Graphics.MeasureString). If the label height is not equal to the height of the text set the height and return. Draw the text. You will also need to set the ResizeRedraw style flag in the constructor. ...
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Difference between is and as keyword

... if an object can be cast to a specific type. Example: if (someObject is StringBuilder) ... as The as operator attempts to cast an object to a specific type, and returns null if it fails. Example: StringBuilder b = someObject as StringBuilder; if (b != null) ... Also related: Casting ...
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How do I scroll the UIScrollView when the keyboard appears?

... well, you might want to do extra adjustment (reduction) of the content inset bottom per this stackoverflow.com/questions/25704513/… in case the scroller is occupying the whole height of the screen UIEdgeInsetsMake(0.0, 0.0, kbSize.height - ([UIScreen...
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Submit a form using jQuery [closed]

...you'd need to put the form data into a JavaScript data structure with your extra data and serialize it. In that case you'd probably use serializeArray on the form and merge your other data in. – tvanfosson Jul 11 '14 at 14:42 ...
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UIButton Long Press Event

... end of the user press. Note: this works well if you don't care about the extra info provided by the gesture recognizer (e.g. location of touch, etc.) You can add more intermediate events if needed see them all here https://developer.apple.com/documentation/uikit/uicontrolevents?language=objc. In...
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Finding quaternion representing the rotation from one vector to another

...r you can still freely spin the result around it's axis? Do you know what extra information can typically be used to constrain this choice and make the problem well defined? – Doug McClean Oct 26 '13 at 2:07 ...
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How to convert java.util.Date to java.sql.Date?

... database. Use a JDBC driver compliant with JDBC 4.2 or later. No need for strings, no need for java.sql.* classes. Hibernate 5 & JPA 2.2 support java.time. Where to obtain the java.time classes? Java SE 8, Java SE 9, Java SE 10, Java SE 11, and later - Part of the standard Java API with a bun...