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How to install lxml on Ubuntu

... Stephen Fuhry 10.2k55 gold badges4646 silver badges5151 bronze badges answered Jun 28 '11 at 10:11 AKXAKX 77.4k9...
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np.mean() vs np.average() in Python NumPy?

... axes 0 and 1, I get wildly incorrect results unless I specify dtype='float64': >T.shape (4096, 4096, 720) >T.dtype dtype('<f4') m1 = np.average(T, axis=(0,1)) # garbage m2 = np.mean(T, axis=(0,1)) # the same garbage m3 = np.mean(T, axis=(0,1), dtype='fl...
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Which is faster : if (bool) or if(int)?

... Does this also apply to 64-bit processes, that __int64 is faster than int? Or CPU deals 32-bit integer with 32-bit instruction sets separately? – Crend King Apr 27 '11 at 21:22 ...
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How many files can I put in a directory?

...67,295) Maximum file size Implementation: 244 - 26 bytes (16 TiB - 64 KiB) Theoretical: 264 - 26 bytes (16 EiB - 64 KiB) Maximum volume size Implementation: 232 - 1 clusters (256 TiB - 64 KiB) Theoretical: 264 - 1 clusters (1 YiB - 64 KiB) ext2: Maximum number of...
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What happens when there's insufficient memory to throw an OutOfMemoryError?

... 64 Graham Borland seems to be right: at least my JVM apparently re-uses OutOfMemoryErrors. To tes...
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Do I need to convert .CER to .CRT for Apache SSL certificates? If so, how?

...in a file: One is a "binary" X.509 encoding, and the other is a "text" base64 encoding that usually starts with "-----BEGIN CERTIFICATE-----". These encode the same data but in different ways. Most systems accept both formats, but, if you need to, you can convert one to the other via openssl or othe...
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How can I confirm a database is Oracle & what version it is using SQL?

...--------------------------------- Oracle Database 10g Release 10.2.0.3.0 - 64bit Production PL/SQL Release 10.2.0.3.0 - Production CORE 10.2.0.3.0 Production TNS for Solaris: Version 10.2.0.3.0 - Production NLSRTL Version 10.2.0.3.0 - Production ...
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Remap values in pandas column with a dict

... @PrestonH It works perfectly for me. Running: '3.6.1 |Anaconda custom (64-bit)| (default, May 11 2017, 13:25:24) [MSC v.1900 64 bit (AMD64)]' – Dan Dec 6 '17 at 9:47 ...
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undefined reference to `WinMain@16'

... oɔɯǝɹ 6,58066 gold badges5252 silver badges6464 bronze badges answered Mar 10 '11 at 13:27 Cheers and hth. - AlfCheers and hth. - Alf ...
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How do I find numeric columns in Pandas?

... exclude. So isNumeric would look like: numerics = ['int16', 'int32', 'int64', 'float16', 'float32', 'float64'] newdf = df.select_dtypes(include=numerics) share | improve this answer | ...