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Java 8: performance of Streams vs Collections

...Vanilla.N) public class StreamVsVanilla { public static final int N = 10000; static List<Integer> sourceList = new ArrayList<>(); static { for (int i = 0; i < N; i++) { sourceList.add(i); } } @Benchmark public List<Double> va...
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convert '1' to '0001' in JavaScript [duplicate]

How can I convert convert '1' to '0001' in JavaScript without using any 3rd party libraries. I have done this in php using spritf: $time = sprintf('%04.0f',$time_arr[$i]); ...
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GoTo Next Iteration in For Loop in java

...d would start the next iteration upon invocation For Example for(int i= 0 ; i < 5; i++){ if(i==2){ continue; } System.out.print(i); } This will print 0134 See Document share | im...
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tmux: How to join two tmux windows into one, as panes?

... 170 Actually I found the way to do that. Suppose the two windows are number 1 and 2. Use join-pane ...
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How do I get the row count of a pandas DataFrame?

...e=[2**k for k in range(25)], kernels=[ lambda data: data.shape[0], lambda data: data[0].count(), lambda data: len(data.index), ], labels=["data.shape[0]", "data[0].count()", "len(data.index)"], xlabel="data rows" ) EDIT: As @Dan Allen noted in the comments l...
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How to use shared memory with Linux in C

...lains their purpose. return mmap(NULL, size, protection, visibility, -1, 0); } The following is an example program that uses the function defined above to allocate a buffer. The parent process will write a message, fork, and then wait for its child to modify the buffer. Both processes can read a...
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SQL - The conversion of a varchar data type to a datetime data type resulted in an out-of-range valu

...n other formats like mm/dd/yyyy (usually works). Specifying the date as 30/12/2013 resulted in the error for me. However, specifying it as mm/dd/yyyy format worked. If you need to convert your input the you can try looking into the CONVERT method. Syntax is CONVERT(VARCHAR,@your_date_Value,103...
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Get Substring - everything before certain char

...exOf(stopAt, StringComparison.Ordinal); if (charLocation > 0) { return text.Substring(0, charLocation); } } return String.Empty; } } Results: 223232 443 34443553 344 34 ...
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JavaScript: Check if mouse button down?

... 150 Regarding Pax' solution: it doesn't work if user clicks more than one button intentionally or ac...
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Getting the closest string match

... +100 I was presented with this problem about a year ago when it came to looking up user entered information about a oil rig in a database ...