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performSelector may cause a leak because its selector is unknown
.... In Objective-C, developers are able to do this by using C style casts on raw function pointers.
With the introduction of Swift, Apple has documented the performSelector: family of methods as "inherently unsafe" and they are not available to Swift.
Over time, we have seen this progression:
Earl...
Getting error: Peer authentication failed for user “postgres”, when trying to get pgsql working with
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Is the list of Python reserved words and builtins available in a library?
...ject', 'oct', 'open', 'ord', 'pow', 'print', 'property', 'quit', 'range', 'raw_input', 'reduce', 'reload', 'repr', 'reversed', 'round', 'set', 'setattr', 'slice', 'sorted', 'staticmethod', 'str', 'sum', 'super', 'tuple', 'type', 'unichr', 'unicode', 'vars', 'xrange', 'zip']
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Are there any naming convention guidelines for REST APIs? [closed]
When creating REST APIs, are there any guidelines or defacto standards for naming conventions within the API (eg: URL endpoint path components, querystring parameters)? Are camel caps the norm, or underscores? others?
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Able to push to all git remotes with the one command?
... the same as answer #1. You have just done it with Command Line instead of raw editing of the config file.
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Using an image caption in Markdown Jekyll
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SensorUtil 传感器工具扩展：在后台和屏幕关闭时保持传感器工作 · App Inv...
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.aix拓展文件：
de.ullisroboterseite.ursai2sensorutil.aix
.aia示例文件：
UrsSensorUtilTest.aia
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1.0
2025-10-09
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Why does InetAddress.isReachable return false, when I can ping the IP address?
...0) as root, it should return true.
you need proper authorizations for the raw socket, which is used by ICMP (the protocol used by ping)
InetAddress.getByName is as reliable as ping, but you need proper permissions on the process to have it running properly.
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How can I get nth element from a list?
...6
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`- 7
We can now access the elements of the tree in depth-first order:
> tree ^? element 0
Just 1
> tree ^? element 1
Just 2
> tree ^? element 2
Just 4
> tree ^? element 3
Just 5
> tree ^? element 4
Just 3
> tree ^? element 5
Just 6
> tree ^? element 6
Just 7
We ca...
Alternative to google finance api [closed]
...:
https://www.quandl.com/api/v1/datasets/WIKI/AAPL.csv?column=4&sort_order=asc&collapse=quarterly&trim_start=2012-01-01&trim_end=2013-12-31
They support these languages. Their source data comes from Yahoo Finance, Google Finance, NSE, BSE, FSE, HKEX, LSE, SSE, TSE and more (see ...