大约有 23,000 项符合查询结果(耗时:0.0351秒) [XML]

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How to assign colors to categorical variables in ggplot2 that have stable mapping?

... [11] LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C attached base packages: [1] methods stats graphics grDevices utils datasets base other attached packages: [1] ggplot2_0.9.3.1 loaded via a namespace (and not attached): [1] colorspace_1.2-4 dichromat_2.0-0 dig...
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Can't open config file: /usr/local/ssl/openssl.cnf on Windows [duplicate]

I have installed OpenSSL 64. I want to use a certificate for my nodejs https server. I ran the following command: 7 Answers...
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Convert integer to hexadecimal and back again

...the hex equivalent. HEX is not a terrible solution for this problem, but a base64 of the four bytes in the int would be even shorter (and you could trim the padding) – James Hart Aug 16 '11 at 21:08 ...
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Lombok is not generating getter and setter

I just tried to send a Maven-based project to another computer and HORROR, red markers everywhere!! 20 Answers ...
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Why does installing Nokogiri on Mac OS fail with libiconv is missing?

...or unsupported file format which is not the architecture being linked (x86_64) for architecture x86_64 Uhh, what? After a lot of googling, I came across this miracle post: http://www.refresherate.com/2010/01/08/fixing-ld-warning-in-usrlocalliblibz-dylib-file-is-not-of-required-architecture/ Appar...
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Detect application heap size in Android

... to 32: maxMemory: 33554432 getMemoryClass: 32 With VM Heap Size set to 64: maxMemory: 67108864 getMemoryClass: 32 In addition to the above, I tested on a Novo7 Paladin tablet running Ice Cream Sandwich. This was essentially a stock version of ICS, except that I've rooted the tablet through...
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What is the MySQL VARCHAR max size?

... As per the online docs, there is a 64K row limit and you can work out the row size by using: row length = 1 + (sum of column lengths) + (number of NULL columns + delete_flag + 7)/8 + (number of variable-length columns) ...
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How do I make a textbox that only accepts numbers?

... protected override void OnKeyPress(KeyPressEventArgs e) { base.OnKeyPress(e); NumberFormatInfo fi = CultureInfo.CurrentCulture.NumberFormat; string c = e.KeyChar.ToString(); if (char.IsDigit(c, 0)) return; if ((SelectionStart == 0) &amp...
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dropping infinite values from dataframes in pandas?

... Use (fast and simple): df = df[np.isfinite(df).all(1)] This answer is based on DougR's answer in an other question. Here an example code: import pandas as pd import numpy as np df=pd.DataFrame([1,2,3,np.nan,4,np.inf,5,-np.inf,6]) print('Input:\n',df,sep='') df = df[np.isfinite(df).all(1)] prin...
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Is it possible to have multiple statements in a python lambda expression?

...58, 7, 99, 17, 14, 60, 35, 12, 56, 26, 48, 55, 40, 28, 52, 31, 39, 43, 96, 64, 63, 54, 37, 79, 25, 46, 72, 10, 59, 24, 68, 23, 13, 34, 41, 94, 29, 62, 2, 50, 32, 11, 97, 98, 3, 70, 93, 1, 36, 87, 47, 20, 73, 45, 0, 65, 57, 6, 76, 16, 85, 95, 61, 4, 77, 21, 81, 82, 30, 53, 51, 42, 67, 74, 8, 15, 83, ...