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How to wait for a keypress in R?
...Press [enter] to continue")
If you don't want to assign it to a variable and don't want a return printed in the console, wrap the readline() in an invisible():
invisible(readline(prompt="Press [enter] to continue"))
shar...
Clicking the back button twice to exit an activity
I've noticed this pattern in a lot of Android apps and games recently: when clicking the back button to "exit" the application, a Toast comes up with a message similar to "Please click BACK again to exit".
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How to save the output of a console.log(object) to a file?
...ng JSON.stringify(object) , but it doesn't go down on the whole structure and hierarchy.
9 Answers
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What is a WeakHashMap and when to use it? [duplicate]
What is a WeakHashMap and when should one be using it? What are the differences between a WeakHashMap and a HashMap ?
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Should we pass a shared_ptr by reference or by value?
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This question has been discussed and answered by Scott, Andrei and Herb during Ask Us Anything session at C++ and Beyond 2011. Watch from 4:34 on shared_ptr performance and correctness.
Shortly, there is no reason to pass by value, unless the goal is to sha...
Best lightweight web server (only static content) for Windows [closed]
...c content only web server on this same machine which will relive IIS form handling static content and increase performance.
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Aligning textviews on the left and right edges in Android layout
I am getting started with Android. I am having trouble getting a simple layout going.
9 Answers
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Manifest merger failed : uses-sdk:minSdkVersion 14
Since downloading the latest SDK and installing Android Studio, my project fails to build. I get the following message:
28 ...
How can I automate the “generate scripts” task in SQL Server Management Studio 2008?
...is simply calling this. You can achieve the same functionality via the command line like:
sqlpubwiz help script
I don't know if v1.4 has the same troubles that v1.1 did (users are converted to roles, constraints are not created in the right order), but it is not a solution for me because it doesn...
How to print color in console using System.out.println?
...or in console? I want to show data in colors when the processor sends data and in different colors when it receives data.
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