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Given the lat/long coordinates, how can we find out the city/country?

... Another option: Download the cities database from http://download.geonames.org/export/dump/ Add each city as a lat/long -> City mapping to a spatial index such as an R-Tree (some DBs also have the functionality) Use nearest-neighbour search to find the closest city f...
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Export/import jobs in Jenkins

...ing jobs between servers The trick probably was the need to reload config from the Jenkins Configuration Page. Update 2020.03.10 The JenkinsCI landscape has changed a lot... I've been using Job DSL for a while now. We have a SEED Job that generates the rest of the jobs. This helps us both recrea...
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Explain “claims-based authentication” to a 5-year-old

... @Marnix has a pretty good answer, but to step away from the technical aspect of it: Claims Based Authentication is about defining who you trust to give you accurate information about identity, and only ever using that information provided. My (the) go-to example is at a bar...
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Rotating videos with FFmpeg

...2,transpose=2" for 180 degrees. Make sure you use a recent ffmpeg version from here (a static build will work fine). Note that this will re-encode the audio and video parts. You can usually copy the audio without touching it, by using -c:a copy. To change the video quality, set the bitrate (for ex...
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Difference between malloc and calloc?

...t calloc implementations under mainstream OSes will get known-zeroed pages from the OS (e.g. via POSIX mmap(MAP_ANONYMOUS) or Windows VirtualAlloc) so it doesn't need to write them in user-space. This is how normal malloc gets more pages from the OS as well; calloc just takes advantage of the OS's ...
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What's the difference between tag and release?

... GitHub higher level concept. As stated in the official announcement post from the GitHub blog: "Releases are first-class objects with changelogs and binary assets that present a full project history beyond Git artifacts." A Release is created from an existing tag and exposes release notes and lin...
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Deserializing JSON data to C# using JSON.NET

...smodifiedby property. Try excluding the accountstatusmodifiedby property from the serialization and see if that helps. If it does, you may need to represent that property differently. Documentation: Serializing and Deserializing JSON with Json.NET ...
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Unable to load DLL (Module could not be found HRESULT: 0x8007007E)

... From what I remember on Windows the search order for a dll is: Current Directory System folder, C:\windows\system32 or c:\windows\SysWOW64 (for 32-bit process on 64-bit box). Reading from the Path environment variable In ...
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What are the rules about using an underscore in a C++ identifier?

...ember variables, rather than local variables or parameters. If you've come from an MFC background, you'll probably use m_foo . I've also seen myFoo occasionally. ...
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What's the difference between a web site and a web application? [closed]

...d course materials, applications for students to register for and withdraw from courses, etc. share | improve this answer | follow | ...