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Comparing Timer with DispatcherTimer

what is a difference between System.Windows.Forms.Timer() and System.Windows.Threading.DispatcherTimer() ? In which cases, we should use them? any best practices ? ...
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Set time part of DateTime in ruby

..._of_day OR DateTime.now.change({ hour: 0, min: 0, sec: 0 }) # More concisely DateTime.now.change({ hour: 0 }) Within a purely Ruby environment: now = DateTime.now DateTime.new(now.year, now.month, now.day, 0, 0, 0, now.zone) OR now = DateTime.now DateTime.parse(now.strftime...
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Redirecting from HTTP to HTTPS with PHP

... and I would like to redirect the user to a HTTPS page when he's entering his billing details and maintain the HTTPS connection for the next pages until he logs out. ...
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Explicitly set Id with Doctrine when using “AUTO” strategy

My entity uses this annotation for it's ID: 7 Answers 7 ...
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Resizing UITableView to fit content

...p which will have a question in a UILabel and a multiple choice answers displayed in UITableView , each row showing a multiple choice. Questions and answers will vary, so I need this UITableView to be dynamic in height. ...
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How to add a new row to an empty numpy array

... The way to "start" the array that you want is: arr = np.empty((0,3), int) Which is an empty array but it has the proper dimensionality. >>> arr array([], shape=(0, 3), dtype=int64) Then be sure to append along axis 0: arr = np.append(arr, np.array([[1,...
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Java packages com and org

...in name, and then followed by whatever you see fit. Most companies or organisations have a .com, or .org domain name, and hence most packages start with com. or org.. To quote from the Sun Code Conventions: The prefix of a unique package name is always written in all-lowercase ASCII letters and sho...
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JQuery to load Javascript file dynamically

... the user clicks on a certain button. I am using jQuery as my framework. Is there a built-in method or plugin that will help me do this? ...
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vertical divider between two columns in bootstrap

... If your code looks like this: <div class="row"> <div class="span6"> </div> <div class="span6"> </div> </div> Then I'd assume you're using additional DIVS within the "span6" DIVS for holding/styling your c...
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How to automatically crop and center an image

...arbitrary image, I want to crop a square from the center of the image and display it within a given square. 7 Answers ...