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实战低成本服务器搭建千万级数据采集系统 - 更多技术 - 清泛网 - 专注C/C++...
...搜狐微博）。为了节约客户成本，硬件为普通服务器：E5200 双核 2.5G cpu， 4 G DDR3 1333内存，硬盘 500G SATA 7200转硬盘。数据库为mysql。在这样的条件下我们能否实现这个系统目标？当然如果有更好的硬件不是这个文章阐述的内容。...
Why are Subjects not recommended in .NET Reactive Extensions?
...s / Event Aggregator?
– kitsune
Sep 20 '13 at 22:20
Wait until a process ends
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answered Jun 30 '10 at 9:20
Hans OlssonHans Olsson
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How do I move a file (or folder) from one folder to another in TortoiseSVN?
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Sander RijkenSander Rijken
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add a...
^M at the end of every line in vim
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Tobias BaazTobias Baaz
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PHPMailer character encoding issues
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AlexVAlexV
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Random hash in Python
...rets
>>> secrets.token_hex(nbytes=16)
'17adbcf543e851aa9216acc9d7206b96'
>>> secrets.token_urlsafe(16)
'X7NYIolv893DXLunTzeTIQ'
>>> secrets.token_bytes(128 // 8)
b'\x0b\xdcA\xc0.\x0e\x87\x9b`\x93\\Ev\x1a|u'
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When to use %r instead of %s in Python? [duplicate]
...mport datetime
>>> d = datetime.date.today()
>>> str(d)
'2011-05-14'
>>> repr(d)
'datetime.date(2011, 5, 14)'
Types for which repr() doesn't produce Python syntax include those that point to external resources such as a file, which you can't guarantee to recreate in a di...
Node.js version on the command line? (not the REPL)
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20
In the year 2015, this no longer works. Use nodejs -v instead.
– Andrew Thaddeus Martin
Jul 8 '15 at...
shortcut in Android Studio to locate the current editing src file
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Android Studio 3.6.3 (April 2020)
Go to Preferences > Keymap & search for "Select in Project View" and assign your keyboard shortcut.
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