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How to read all files in a folder from Java?

...The method Files.walk(path) will return all files by walking the file tree rooted at the given started file. For instance, there is the next file tree: \---folder | file1.txt | file2.txt | \---subfolder file3.txt file4.txt Using the java.nio.file.Files...
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What's the right way to pass form element state to sibling/parent elements?

...ectly, your first solution is suggesting that you're keeping state in your root component? I can't speak for the creators of React, but generally, I find this to be a proper solution. Maintaining state is one of the reasons (at least I think) that React was created. If you've ever implemented your...
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Quickly create a large file on a Linux system

...disk based file systems, very fast: For example: fallocate -l 10G gentoo_root.img share | improve this answer | follow | ...
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Find the most common element in a list

...me (to get the L.index of every item). While premature optimization is the root of all evil in programming, deliberately picking an O(N squared) approach when an O(N log N) one is available just goes too much against the grain of scalability!-) Finally, for those who prefer "oneliners" to clarity a...
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What is the relative performance difference of if/else versus switch statement in Java?

...first to determine where the slow spots are. Premature optimization is the root of all evil! Nevertheless, it's possible to talk about the relative performance of switch vs. if/else with the Java compiler optimizations. First note that in Java, switch statements operate on a very limited domain -- ...
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Check if full path given

... Try using System.IO.Path.IsPathRooted? It also returns true for absolute paths. System.IO.Path.IsPathRooted(@"c:\foo"); // true System.IO.Path.IsPathRooted(@"\foo"); // true System.IO.Path.IsPathRooted("foo"); // false System.IO.Path.IsPathRooted(@"c:1\f...
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Looking to understand the iOS UIViewController lifecycle

...override this method when you programmatically create views and assign the root view to the view property Don't call super method when you override loadView 2. loadViewIfNeeded If incase the view of current viewController has not been set yet then this method will load the view but remember, ...
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How to find out what group a given user has?

...`hostname -s` for i in `cat /etc/passwd| grep -vE "nologin|shutd|hal|sync|root|false"|awk -F':' '{print$1}' | sed 's/[[:space:]]/,/g'`; do groups $i; done|sed s/\:/\,/g|tr -d ' '|sed -e "s/^/$HOSTNAME,/"> /tmp/"$HOSTNAME"_inventory.txt sudo cat /etc/sudoers| grep -v "^#"|awk '{print $1}'|grep -...
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How to copy DLL files into the same folder as the executable using CMake?

...D GLOBAL) set_property(TARGET sdl2 PROPERTY IMPORTED_IMPLIB_RELEASE "${SDL_ROOT_PATH}/lib/SDL2.lib") set_property(TARGET sdl2 PROPERTY IMPORTED_LOCATION_RELEASE "${SDL_ROOT_PATH}/bin/SDL2.dll") set_property(TARGET sdl2 PROPERTY IMPORTED_IMPLIB_DEBUG "${SDL_ROOT_PATH}/lib/SDL2d.lib") set_property(TAR...
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Autoincrement VersionCode with gradle extra properties

...')) { output.outputFile = new File(getProject().getRootDir(), "${fileNaming}-${versionMajor}.${versionMinor}.${versionPatch}-${outputFile.name}") } } } } } else { throw new GradleException("Could not read ve...