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Left-pad printf with spaces
...nt exactly 40 spaces then some text, just save the 40 spaces in a constant and print them. If you need to print multiple lines, either use multiple printf statements like the one above, or do it in a loop, changing the value of ptr each time.
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How to format a Java string with leading zero?
...- solution when you are embedding software on something without much space and the extra libraries just aren't an option. Thanks!!
– Casey Murray
Dec 27 '13 at 23:39
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How to validate IP address in Python? [duplicate]
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Hmm, seems to accept things like "4" and "192.168" and silently pads the rest with zeros. Technically valid, I'm sure, but not quite what I expected.
– krupan
Nov 25 '08 at 23:58
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Functional style of Java 8's Optional.ifPresent and if-not-Present?
...n Java 8, I want to do something to an Optional object if it is present, and do another thing if it is not present.
12 An...
How to merge YAML arrays?
I would like to merge arrays in YAML, and load them via ruby -
5 Answers
5
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Uncaught SyntaxError: Unexpected token with JSON.parse
... is it not an Array? Why is it an object. Objects start with { and arrays start with [? or am i false here
– user2396641
Sep 4 '16 at 17:20
4
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How to make the division of 2 ints produce a float instead of another int?
...another Bruce Eckels exercise in calculating velocity, v = s / t where s and t are integers. How do I make it so the division cranks out a float?
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How to use string.replace() in python 3.x
...blem. Python team if you are reading. SORT IT OUT!
– Andrew S
Oct 28 '16 at 0:56
2
Call the metho...
Hiding user input on terminal in Linux script
... answered Nov 30 '10 at 17:46
Andreas WongAndreas Wong
53.4k1818 gold badges9898 silver badges118118 bronze badges
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How to convert comma-separated String to List?
...al comma, zero or more whitespace which will place the words into the list and collapse any whitespace between the words and commas.
Please note that this returns simply a wrapper on an array: you CANNOT for example .remove() from the resulting List. For an actual ArrayList you must further use ...