大约有 4,507 项符合查询结果(耗时:0.0271秒) [XML]
What are the “standard unambiguous date” formats for string-to-date conversion in R?
... Well, not quite. As I answered in a few other questions on this site, mm-dd is not a date (neither is mm-yy or mm-yyyy). You cannot parse what it is not there.
– Dirk Eddelbuettel
May 23 at 18:44
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Django connection to PostgreSQL: “Peer authentication failed”
This is the error I am receiving when I try to get to my Django admin site. I had been using MySQL database no problem. I am new to PostgreSQL, but decided to switch because the host I ultimately plan to use for this project does not have MySQL.
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How can I develop for iPhone using a Windows development machine?
... hackintosh info gets outdated pretty easily, it is better to follow the sites that are dedicated to the subject (like osxlatitude for dell models)
– prusswan
Oct 2 '14 at 7:26
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Why does Internet Explorer not send HTTP post body on Ajax call after failure?
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I believe I am experiencing this issue on a production site - the user agents associated with the issue correspond with IE 8,9,10 and 11.
– millhouse
Oct 1 '15 at 5:51
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Why is it a bad practice to return generated HTML instead of JSON? Or is it?
...le. With JSON your backend can work with XML, SVG, database engines, cross-site API and a thousand other frontends and systems that can accept JSON. With HTML, you will be only able to use it in within HTML.
– SF.
Mar 11 '10 at 15:43
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Getting image dimensions without reading the entire file
...th: Bytes 16-19
Height: Bytes 20-23
As mentioned above, wotsit is a good site for detailed specs on image and data formats though the PNG specs at pnglib are much more detailed. However, I think the Wikipedia entry on PNG and GIF formats is the best place to start.
Here’s my original code for c...
What do the python file extensions, .pyc .pyd .pyo stand for?
... contents are additional items (one per line) to be added to sys.path. See site module.
A larger list of additional Python file-extensions (mostly rare and unofficial) can be found at http://dcjtech.info/topic/python-file-extensions/
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App Inventor 2 CustomWebView 拓展:高级版Web浏览器,完美浏览现代Web前...
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Event raised after getting SSL certificate of current displayed url/website with boolean ‘isSecure’ and Strings ‘issuedBy’,’issuedTo’ and ‘validTill’.If ‘isSecure’ is false and other values are empty then assume that website is not secure
GotPrintResult(printId,isCompleted,...
moment.js - UTC gives wrong date
...ith this for so long. They should really have this explained well on their site, as I assume that this is the most common use case of moment.js. Thank you so much! You really saved my skin!
– WebWanderer
Jan 21 '16 at 12:44
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Why JavaScript rather than a standard browser virtual machine?
...w you architect your applications. I have worked with extremely robust Web sites and Web applications, and I have never once said, "Hmm, I really wish JavaScript could do (xyz)." If it could do that, then it wouldn't be JavaScript -- it would be ActionScript or AIR or Silverlight. I don't need that,...