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Java - removing first character of a string

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In Python, what is the difference between “.append()” and “+= []”?

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.NET String.Format() to add commas in thousands place for a number

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how to check the jdk version used to compile a .class file [duplicate]

...t the major version from the results. Here are som>mem> example values: Java 1.2 uses major version 46 Java 1.3 uses major version 47 Java 1.4 uses major version 48 Java 5 uses major version 49 Java 6 uses major version 50 Java 7 uses major version 51 Java 8 uses major version 52 Java 9 uses major ver...
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How can I remove all objects but one from the workspace in R?

... remove all but one. Ideally I would like to avoid having to type rm(obj.1, obj.2... obj.n) . Is it possible to indicate remove all objects but these ones ? ...
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python capitalize first letter only

... you can use '2'.isdigit() to check for each character. >>> s = '123sa' >>> for i, c in enum>mem>rate(s): ... if not c.isdigit(): ... break ... >>> s[:i] + s[i:].capitalize() '123Sa' sha...
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Histogram Matplotlib

... import matplotlib.pyplot as plt import numpy as np mu, sigma = 100, 15 x = mu + sigma * np.random.randn(10000) hist, bins = np.histogram(x, bins=50) width = 0.7 * (bins[1] - bins[0]) center = (bins[:-1] + bins[1:]) / 2 plt.bar(center, hist, align='center', width=width) plt.show() The...
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How to loop over directories in Linux?

... 130 cd /tmp find . -maxdepth 1 -mindepth 1 -type d -printf '%f\n' A short explanation: find f...
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Should you always favor xrange() over range()?

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Safe String to BigDecimal conversion

...ead som>mem> BigDecimal values from the string. Let's say I have this String: "1,000,000,000.999999999999999" and I want to get a BigDecimal out of it. What is the way to do it? ...