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Assigning code to a variable

...: var ButtonClicked = new Action(() => MessageBox.Show("hi")); Then call it: ButtonClicked(); For completeness (in regards to the various comments)... As Erik stated, you could execute multiple lines of code: var ButtonClicked = new Action(() => { MessageBox.Show("hi"); Messag...
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What does the -ObjC linker flag do?

I have an app that works with and without the linker flag. However, without the linker flag, I get a very different behaviour when adding data to a view. ...
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What are the rules for calling the superclass constructor?

What are the C++ rules for calling the superclass constructor from a subclass one? 10 Answers ...
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plot with custom text for x axis points

I am drawing a plot using matplotlib and python like the sample code below. 2 Answers ...
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How do I create an empty array in YAML?

... there any way to specify that empty_array: is an array with no elements, such as with [] ? When I load it into a ruby hash I'd like it to know that it's an array. ...
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Ruby on Rails: Delete multiple hash keys

...re unaware of the Hash#except method ActiveSupport adds to Hash. It would allow your code to be simplified to: redirect_to my_path(params.except(:controller, :action, :other_key)) Also, you wouldn't have to monkey patch, since the Rails team did it for you! ...
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Can I click a button programmatically for a predefined intent?

I need the button click of the intent ACTION_SEND. Here there is no need of displaying UI. Can I get the "Send" button click from the MMS-SMSProvider in Android? ...
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Can I make the foreign key field optional in Django model

... Sure, just add blank=True, null=True for each field that you want to remain optional like subject = models.ForeignKey(subjects, blank=True, null=True) ...
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setup cron tab to specific time of during weekdays

I am trying to setup a cron job on a Ubuntu server. We want the cron job to run the script at certain times of the day and on some specific days of the week. For example, we want to setup a cron job that runs the script with the following sequence: ...
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ggplot: How to increase spacing between faceted plots?

... histograms (obtained with the command below) which are nicely plotted one under the other. I would like to increase the spacing between them, however, they are tight. ...