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How do I close an open port from the terminal on the Mac?

... 408 Find out the process ID (PID) which is occupying the port number (e.g., 5955) you would like t...
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Find the host name and port using PSQL commands

... 60 The default PostgreSQL port is 5432. The host that the database is operating on should have bee...
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Creating a UIImage from a UIColor to use as a background image for UIButton [duplicate]

... (UIImage *)imageFromColor:(UIColor *)color { CGRect rect = CGRectMake(0, 0, 1, 1); UIGraphicsBeginImageContext(rect.size); CGContextRef context = UIGraphicsGetCurrentContext(); CGContextSetFillColorWithColor(context, [color CGColor]); CGContextFillRect(context, rect); UIImag...
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Java rounding up to an int using Math.ceil

Why does it still return 4? 157/32 = 4.90625 , I need to round up, I've looked around and this seems to be the right method. ...
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How to check if an intent can be handled from some activity?

... 150 edwardxu's solution works perfectly for me. Just to clarify a bit: PackageManager packageManag...
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How do I forward parameters to other command in bash script?

... answered Oct 8 '09 at 13:09 unwindunwind 353k5959 gold badges436436 silver badges567567 bronze badges ...
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Performance of Arrays vs. Lists

... List/for: 1971ms (589725196) Array/for: 1864ms (589725196) List/foreach: 3054ms (589725196) Array/foreach: 1860ms (589725196) based on the test rig: using System; using System.Collections.Generic; using System.Diagnostics; static class Program { static void Main() { List<int&g...
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jquery sortable placeholder height problem

For some reason the placeholder for my sortable items is about 10px. All my sortable items have different heights. How can I change the height of each placeholder to match the item being moved? ...
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Applying function with multiple arguments to create a new pandas column

...n: >>> import numpy as np >>> df = pd.DataFrame({"A": [10,20,30], "B": [20, 30, 10]}) >>> df['new_column'] = np.multiply(df['A'], df['B']) >>> df A B new_column 0 10 20 200 1 20 30 600 2 30 10 300 or vectorize arbitrary func...
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How do I change the formatting of numbers on an axis with ggplot?

...the y-axis are coming out with computer style exponent formatting, i.e. 4e+05, 5e+05, etc. This is obviously unacceptable, so I want to get it to display them as 500,000, 400,000, and so on. Getting a proper exponent notation would also be acceptable. ...