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Difference between a Structure and a Union

...the effective type of the object ... an aggregate or union type that includes one of the aforementioned types among its members The compiler won't optimize out the v->a = 10; as it could affect the value of *some_int_pointer (and the function will return 10 instead of 5). ...
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Autoincrement VersionCode with gradle extra properties

...y){ from 'build/outputs/apk/release' into '../apk' include mFileName } afterEvaluate { assembleRelease.doLast { tasks.copyApkFiles.execute() } } signingConfigs { ... } buildTypes { ... } } ==========...
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What are major differences between C# and Java?

... Features of C# Absent in Java • C# includes more primitive types and the functionality to catch arithmetic exceptions. • Includes a large number of notational conveniences over Java, many of which, such as operator overloading and user-defined casts, are ...
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Can a CSV file have a comment?

...ents and non-standard track (informational) documents. The entire process, including descriptions, processes and rules for IETF issued documents is defined by RFC2026 with some follow on amendments. Every RFC will specify at the beginning which track it is on. – Steve Hole ...
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Filter rows which contain a certain string

... Solution It is possible to use str_detect of the stringr package included in the tidyverse package. str_detect returns True or False as to whether the specified vector contains some specific string. It is possible to filter using this boolean value. See Introduction to stringr for details ...
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How do I use Wget to download all images into a single folder, from a URL?

...iles from different domains or subdomains by default) -p: page requisites (includes resources like images on each page) -e robots=off: execute command robotos=off as if it was part of .wgetrc file. This turns off the robot exclusion which means you ignore robots.txt and the robot meta tags (you shou...
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Knight's Shortest Path on Chessboard

... preparing for a programming competition, you must know common algorithms including Dijkstra's. A good starting point is reading Introduction to Algorithms ISBN 0-262-03384-4. Or you could try wikipedia, http://en.wikipedia.org/wiki/List_of_algorithms ...
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Reset Entity-Framework Migrations

...gration Reset. This will create a migration in your Migration folder that includes creating the tables (but it will not run it so it will not error out.) You now need to create the initial row in the MigrationHistory table so EF has a snapshot of the current state. EF will do this if you apply a ...
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What is the fastest way to get the value of π?

...ecision arithmetic but that square root is a deal breaker. The second one includes a sqrt as well. – Bill K Aug 30 '10 at 22:20 2 ...
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How to get an absolute file path in Python

...eirarchies are fine- and abspath will simply resolve the bits of the path (including the parent directory ".." element) and return a string. This is just a string computed from the current directory; any correlation to an actual file is accidental, it seems. Try os.path.abspath("/wow/junk/../blha/ho...