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“sending 'const NSString *' to parameter of type 'NSString *' discards qualifiers” warning

I have Constants NSString, that I want to call like: 3 Answers 3 ...
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Android notification is not showing

... The code won't work without an icon. So, add the setSmallIcon call to the builder chain like this for it to work: .setSmallIcon(R.drawable.icon) Android Oreo (8.0) and above Android 8 introduced a new requirement of setting the channelId property by using a NotificationChannel...
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How do I check if an element is really visible with JavaScript? [duplicate]

In JavaScript, how would you check if an element is actually visible? 16 Answers 16 ...
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Placeholder in IE9

It seems it's a very well known problem but all the solutions I found on Google don't work on my newly downloaded IE9. 11 A...
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Rails 4 - passing variable to partial

...buyer } %> <%= render "account", account: @buyer %> # @account.to_partial_path returns 'accounts/account', so it can be used to replace: # <%= render partial: "accounts/account", locals: { account: @account} %> <%= render @account %> # @posts is an array of Post instances, so ...
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How to initialize an array's length in JavaScript?

... Why do you want to initialize the length? Theoretically there is no need for this. It can even result in confusing behavior, because all tests that use the length to find out whether an array is empty or not will report that the array is not empty. Some tests show that settin...
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How to sort a Ruby Hash by number value?

...ea.com" => 745, "siteb.com" => 9, "sitec.com" => 10 } metrics.sort_by {|_key, value| value} # ==> [["siteb.com", 9], ["sitec.com", 10], ["sitea.com", 745]] If you need a hash as a result, you can use to_h (in Ruby 2.0+) metrics.sort_by {|_key, value| value}.to_h # ==> {"siteb.c...
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Export query result to .csv file in SQL Server 2008

...QL Server > Results To Text On the far right, there is a drop down box called Output Format Choose Comma Delimited and click OK Here's a full screen version of that image, below This will show your query results as comma-delimited text. To save the results of a query to a file: Ctrl + Shif...
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Android: create a popup that has multiple selection options

... Toast.makeText(TopicDetails.this, "you nailed it", Toast.LENGTH_SHORT).show(); } else if ("Medium".equals(fonts[which])) { Toast.makeText(TopicDetails.this, "you cracked it", Toast.LENGTH_SHORT).show(); } else if ("Large".equals(fonts[which])) { ...
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Hidden features of Ruby

... From Ruby 1.9 Proc#=== is an alias to Proc#call, which means Proc objects can be used in case statements like so: def multiple_of(factor) Proc.new{|product| product.modulo(factor).zero?} end case number when multiple_of(3) puts "Multiple of 3" when multiple...