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Stream vs Views vs Iterators

... First, they are all non-strict. That has a particular mathematical meaning related to functions, but, basically, means they are computed on-demand instead of in advance. Stream is a lazy list indeed. In fact, in Scala, a Stream is a List wh...
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Is it good practice to NULL a pointer after deleting it?

...d to achieve in practice. I prefer a masked double delete bug over UB. Finally, a sidenote regarding managing object allocation, I suggest you take a look at std::unique_ptr for strict/singular ownership, std::shared_ptr for shared ownership, or another smart pointer implementation, depending on yo...
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R - Concatenate two dataframes?

...2 data frames, you can use Reduce(rbind, list_of_data_frames) to mash them all together! – Yourpalal Aug 13 '15 at 21:12 1 ...
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What is Unicode, UTF-8, UTF-16?

... Why do we need Unicode? In the (not too) early days, all that existed was ASCII. This was okay, as all that would ever be needed were a few control characters, punctuation, numbers and letters like the ones in this sentence. Unfortunately, today's strange world of global interc...
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Is there a difference between foreach and map?

...important point to mention (this is particularly true in Scala) is that a call to map does not result in the execution of its underlying logic until when the expected transformed list is summoned. In contrast, foreach's operation is computed immediately. – solimant ...
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How to fix “Referenced assembly does not have a strong name” error?

... To avoid this error you could either: Load the assembly dynamically, or Sign the third-party assembly. You will find instructions on signing third-party assemblies in .NET-fu: Signing an Unsigned Assembly (Without Delay Signing). Signing Third-Party Assemblies The basic principle t...
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Android: Want to set custom fonts for whole application not runtime

...Condensed); break; } values.recycle(); } Now you're all set. You can add more attributes for about anything (you could add another one for typefaceStyle -- bold, italic, etc.) but now let's see how to use it: <?xml version="1.0" encoding="utf-8"?> <LinearLayout x...
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Why does this code using random strings print “hello world”?

...gorithms are specified for the class Random. Java implementations must use all the algorithms shown here for the class Random, for the sake of absolute portability of Java code." – FThompson Aug 27 '13 at 3:05 ...
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Using Version Control for Home Development?

...rk methodology associated with using source control prepares you professionally. Storage efficiency. Current source control systems store revisions as a delta difference to the previous revision. This means that it is more disk efficient as the entire file is not stored but only the differences. You...
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Android studio add external project to build.gradle

... for multiple DEX files defining the api library, I suspect because it was all part of the same build process and Gradle was smart enough to figure it all out. share | improve this answer |...