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Detect if value is number in MySQL
...eptions you gave. Thought you meant the character "e". I see what you mean now.
– Urbycoz
Feb 21 '11 at 12:53
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Numpy: Get random set of rows from 2D array
...mask = numpy.random.choice([False, True], len(data_arr), p=[0.75, 0.25])
Now you can call data_arr[mask] and return ~25% of the rows, randomly sampled.
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get list of pandas dataframe columns based on data type
...esired column's data type:
dataframe['column1'].dtype
if you want to know data types of all the column at once, you can use plural of dtype as dtypes:
dataframe.dtypes
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Where is the Java SDK folder in my computer? Ubuntu 12.04
I know it's installed because when I type:
11 Answers
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How to capitalize the first letter of word in a string using Java?
...tring output = input.substring(0, 1).toUpperCase() + input.substring(1);
Now output will have what you want. Check that your input is at least one character long before using this, otherwise you'll get an exception.
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Does return stop a loop?
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I know this is trivial for some people, but this is so good know because you no longer have to break and then return.
– NoName
Oct 17 '19 at 22:12
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In Unix, how do you remove everything in the current directory and below it?
I know this will delete everything in a subdirectory and below it:
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“inconsistent use of tabs and spaces in indentation”
...erything (Str + A) and press Shift + Tab. So nothing was indented anymore. Now go back to the lines you want to have indented, and put it back how you want it.
It worked for me...
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Smooth scroll to div id jQuery
... Found some "fix" for it. Scrolling of the proper element is now fixed, but still it goes up and down by clicking on same "scroll-to" target: var target = $(this).data("target"); $(".basics-content").animate({scrollTop: $(target).offset().top}, 1000); }); Explanation: .basics-content i...
Can I Install Laravel without using Composer?
I'd like to know if I can install or use the Laravel PHP framework on any web server without using Composer (PHP package/dependency manager) every time?
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