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Unable to modify ArrayAdapter in ListView: UnsupportedOperationException

... st0lest0le 32.3k88 gold badges8282 silver badges8888 bronze badges ...
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Git pull from another repository

...er – Alec Jacobson Dec 27 '17 at 17:32 I tried that but git pull upstream just hangs... any ideas? ...
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How to create a MySQL hierarchical recursive query

... parent_id from products where parent_id = 19 union all select p.id, p.name, p.parent_id from products p inner join cte on p.parent_id = cte.id ) select * from cte; The value specified in parent_id = 19 should be set to the...
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How to delete a file or folder?

...mdir() removes an empty directory. shutil.rmtree() deletes a directory and all its contents. Path objects from the Python 3.4+ pathlib module also expose these instance methods: pathlib.Path.unlink() removes a file or symbolic link. pathlib.Path.rmdir() removes an empty directory. ...
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How do I install and use curl on Windows?

...| edited Aug 17 '16 at 13:32 Daniel Stenberg 40.9k1212 gold badges102102 silver badges164164 bronze badges ...
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Select columns from result set of stored procedure

... Here's a link to a pretty good document explaining all the different ways to solve your problem (although a lot of them can't be used since you can't modify the existing stored procedure.) How to Share Data Between Stored Procedures Gulzar's answer will work (it is document...
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iphone Core Data Unresolved error while saving

...conflict with the old model implementation. Edit: I almost forgot here's all the error codes that Core Data spits out: Core Data Constants Reference I had trouble with this before and I realised I unchecked the correct optional box. Such trouble finding out the problem. Good luck. ...
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select、poll、epoll之间的区别总结[整理] - C/C++ - 清泛网 - 专注C/C++及内核技术

...1、select实现 select的调用过程如下所示: (1)使用copy_from_user从用户空间拷贝fd_set到内核空间 (2)注册回调函数__pollwait (3)遍历所有fd,调用其对应的poll方法(对于socket,这个poll方法是sock_poll,sock_poll根据情况会调用到...
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getting the screen density programmatically in android?

...Dpi property will be one of the DENSITY_xxx constants (120, 160, 213, 240, 320, 480 or 640 dpi). If you need the actual lcd pixel density (perhaps for an OpenGL app) you can get it from the metrics.xdpi and metrics.ydpi properties for horizontal and vertical density respectively. If you are target...
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How does Facebook Sharer select Images and other metadata when sharing my URL?

...of 3:1, and in PNG, JPEG or GIF format. Can I specify multiple images to allow the user to select an image? Yes, you just need to add multiple image meta tags in the order you want them to appear in. The user will then be presented with an image selector dialog: I specified the appropriate imag...