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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 to work around the lack of transactions in MongoDB?

...iewpoint (I have only worked with SQL databases so far), or whether it actually can't be done. 10 Answers ...
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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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iOS 7: UITableView shows under status bar

...s { if (floor(NSFoundationVersionNumber) > NSFoundationVersionNumber_iOS_6_1) { self.navigationController.navigationBar.barStyle = UIBarStyleBlackOpaque; if ([self respondsToSelector:@selector(edgesForExtendedLayout)]) self.edgesForExtendedLayout = UIRectEdgeNone; ...
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How to run an EXE file in PowerShell with parameters with spaces and quotes

...mand starting with a string it just evaluates the string, that is, it typically echos it to the screen, for example: PS> "Hello World" Hello World If you want PowerShell to interpret the string as a command name then use the call operator (&) like so: PS> & 'C:\Program Files\IIS\Mi...
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Why does parseInt yield NaN with Array#map?

...x parameter. If you're using underscore you can do: ['10','1','100'].map(_.partial(parseInt, _, 10)) Or without underscore: ['10','1','100'].map(function(x) { return parseInt(x, 10); }); share | ...
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Split comma-separated strings in a column into separate rows

...solution, and two additional variants of Jaap's data.table methods. Overall 8 different methods were benchmarked on 6 different sizes of data frames using the microbenchmark package (see code below). The sample data given by the OP consists only of 20 rows. To create larger data frames, these 20...
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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...
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Detect Windows version in .net

...mation you need for distinguishing most Windows OS major releases, but not all. It consists of three components which map to the following Windows versions: +------------------------------------------------------------------------------+ | | PlatformID | Major version |...
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When should I make explicit use of the `this` pointer?

... Usually, you do not have to, this-> is implied. Sometimes, there is a name ambiguity, where it can be used to disambiguate class members and local variables. However, here is a completely different case where this-> is e...