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How to change legend title in ggplot

... 367 This should work: p <- ggplot(df, aes(x=rating, fill=cond)) + geom_density(alph...
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Get Android API level of phone currently running my application [duplicate]

...e integer of the release. If you are on at least API version 4 (Android 1.6 Donut), the current suggested way of getting the API level would be to check the value of android.os.Build.VERSION.SDK_INT, which is an integer. In either case, the integer you get maps to an enum value from all those defi...
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Clear icon inside input text

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What is the purpose of using -pedantic in GCC/G++ compiler?

...am that uses extensions. – M.M May 16 '17 at 2:13 @M.M: It's important to note that when some compilers would accept a...
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What does “dereferencing” a pointer mean?

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Fitting empirical distribution to theoretical ones with Scipy (Python)?

...import matplotlib.pyplot as plt matplotlib.rcParams['figure.figsize'] = (16.0, 12.0) matplotlib.style.use('ggplot') # Create models from data def best_fit_distribution(data, bins=200, ax=None): """Model data by finding best fit distribution to data""" # Get histogram of original data y...
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In where shall I use isset() and !empty()

.....) contains some non-empty data. To answer question 1 : $str = ''; var_dump(isset($str)); gives boolean true Because the variable $str exists. And question 2 : You should use isset to determine whether a variable exists ; for instance, if you are getting some data as an array, you migh...
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Define make variable at rule execution time

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SQL - using alias in Group By

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How to disable scrolling temporarily?

...: 39, down: 40, // spacebar: 32, pageup: 33, pagedown: 34, end: 35, home: 36 var keys = {37: 1, 38: 1, 39: 1, 40: 1}; function preventDefault(e) { e.preventDefault(); } function preventDefaultForScrollKeys(e) { if (keys[e.keyCode]) { preventDefault(e); return false; } } // modern Ch...