大约有 40,000 项符合查询结果（耗时：0.0455秒） [XML]
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...
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...
List comprehension vs. lambda + filter
...ue in Python. Even though Guido considered removing map, filter and reduce from Python 3, there was enough of a backlash that in the end only reduce was moved from built-ins to functools.reduce.
Personally I find list comprehensions easier to read. It is more explicit what is happening from the exp...
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...
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...
Accessing Session Using ASP.NET Web API
...ources per user - an authenticated user shouldn't be able to retrieve data from your WebApi that they don't have access to.
Read Microsoft's article on Authentication and Authorization in ASP.NET Web API - https://www.asp.net/web-api/overview/security/authentication-and-authorization-in-aspnet-web...
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
...
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 ...
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 ...
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...