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Using R to download zipped data file, extract, and import data

... See help(gzfile) -- I was thinking that the gzip protocol may now uncompress (stone old) .z files too now that the patent has long expired. It may not. Who uses .z anyways? The 1980s called, they want their compression back ;-) – Dirk Eddelbuettel ...
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How can I convert spaces to tabs in Vim or Linux?

...t it to work, not sure what is necessary and what is not, and btw i don't know what the "%" before reatab is doing: :set noet, :set tabstop=2, :retab!, :%retab!, :set tabstop=1, :retab!, :%retab! – cwd Feb 2 '12 at 1:39 ...
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ERROR 1452: Cannot add or update a child row: a foreign key constraint fails

...ill need to update the data in the child table (instead of deleting them). Now, we can utilize Left Join to find all those rows in the child table, which does not have matching values in the parent table. Following query would be helpful to fetch those non-matching rows: SELECT child_table.* FROM c...
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How do I push to GitHub under a different username?

...omputer. I've made pushes to GitHub using the git bash shell on Windows 7. Now we're in a different project on that computer and I need her to push to her account. But it keeps trying to use my username and saying I don't have access to her repository: ...
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Xcode 6 iPhone Simulator Application Support location

...licLinkAtPath:aliasPath withDestinationPath:DOCS_DIR error:nil]; #endif Now I've got a simlink that works, even though iOS8 + XCode6 changes my App's Data GUID everytime I build. – seabass Sep 22 '14 at 17:56 ...
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What is the proper way to format a multi-line dict in Python?

...iously, I couldn't find an "authoritative" reference either. I'll let you know if I do! Perhaps someone should contact Guido. – FogleBird Jun 17 '11 at 19:00 2 ...
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What does the git index contain EXACTLY?

... entries. With the new index.threads config setting, the index loading is now faster. As a result (of using IEOT), commit 7bd9631 clean-up the read-cache.c load_cache_entries_threaded() function for Git 2.23 (Q3 2019). See commit 8373037, commit d713e88, commit d92349d, commit 113c29a, commit c95f...
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SQLite with encryption/password protection

...not used in the normal distribution, but here are a few implementations I know of: SEE - The official implementation. wxSQLite - A wxWidgets style C++ wrapper that also implements SQLite's encryption. SQLCipher - Uses openSSL's libcrypto to implement. SQLiteCrypt - Custom implementation, modified ...
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How to manually include external aar package using new Gradle Android Build System

... { jcenter() flatDir { dirs 'libs' } } } and now open app level build.grdle file and add .aar file dependencies { implementation(name:'cards', ext:'aar') } If everything goes well you will see library entry is made in build -> exploded-aar Also note that ...
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LINQ: Not Any vs All Don't

...c<TSource, bool> predicate) { return !source.Any(predicate); } Now instead of your original if (!acceptedValues.Any(v => v == someValue)) { // exception logic } you could say if (acceptedValues.None(v => v == someValue)) { // exception logic } ...