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Print second last column/field in awk
I want to print the second last column or field in awk. The number of fields is variable. I know that I should be able to use $NF but not sure how it can be used.
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When should we use Observer and Observable?
An interviewer asked me:
10 Answers
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How can I selectively escape percent (%) in Python strings?
...of the second table in that section, it states:
'%' No argument is converted, results in a '%' character in the result.
Therefore you should use:
selectiveEscape = "Print percent %% in sentence and not %s" % (test, )
(please note the expicit change to tuple as argument to %)
Without kn...
Linq order by boolean
...east with this solution, the code makes it painfully obvious which way you intend to sort.
– Robert Noack
Jul 29 '13 at 20:24
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When should an IllegalArgumentException be thrown?
...ive measure to complain about obviously bad input before the input can get into the works and cause something to fail halfway through with a nonsensical error message.
It's used for cases where it would be too annoying to throw a checked exception (although it makes an appearance in the java.lang.r...
Advantages and disadvantages of GUID / UUID database keys
...dered going down this path a few times, but there's always a bit of uncertainty, especially around performance and un-read-out-over-the-phone-able URLs.
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How to set text color to a text view programmatically [duplicate]
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Update:
This method was deprecated in API level 23. Use getColor(int, Theme)
instead.
Check this.
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How to navigate a few folders up?
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There is no point using Path.Combine when you are adding backslash manually anyway. Consider using Path.Combine(path, "..", "..") instead.
– AXMIM
Apr 6 '19 at 19:12
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Pretty-Print JSON in Java
...o pretty-print the data.
JSONObject json = new JSONObject(jsonString); // Convert text to object
System.out.println(json.toString(4)); // Print it with specified indentation
The order of fields in JSON is random per definition. A specific order is subject to parser implementation.
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Getting a timestamp for today at midnight?
...eferences to time, and then pass it to the 'string to time' function which converts a date and time to a epoch timestamp. If it doesn't get a time, it assumes the first second of that day.
References:
Date Function: http://php.net/manual/en/function.date.php
String To Time: http://us2.php.net/manu...