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Grep only the first match and stop
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-m 1 means return the first match in any given file. But it will still continue to search in other files. Also, if there are two or more matched in the same line, all of them will be displayed.
You can use head -1 to solve this...
Determine installed PowerShell version
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19 Answers
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How to apply multiple transforms in CSS?
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1047
You have to put them on one line like this:
li:nth-child(2) {
transform: rotate(15deg) t...
Which is better, number(x) or parseFloat(x)?
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The difference between parseFloat and Number
parseFloat/parseInt is for parsing a string, whil...
Is sizeof(bool) defined in the C++ language standard?
...tation. Does the C++ language standard require sizeof(bool) to always be 1 (for 1 byte), or is this size implementation-defined?
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Adding one day to a date
...24:00 date after adding one day SHOULD be rolled over to the next month: 1970-01-01 17:33:29
11 Answers
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How to do exponential and logarithmic curve fitting in Python? I found only polynomial fitting
... = A + B log x, just fit y against (log x).
>>> x = numpy.array([1, 7, 20, 50, 79])
>>> y = numpy.array([10, 19, 30, 35, 51])
>>> numpy.polyfit(numpy.log(x), y, 1)
array([ 8.46295607, 6.61867463])
# y ≈ 8.46 log(x) + 6.62
For fitting y = AeBx, take the logarithm of...
What's the Best Way to Shuffle an NSMutableArray?
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12 Answers
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How to get the first line of a file in a bash script?
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416
head takes the first lines from a file, and the -n parameter can be used to specify how many li...
What is the difference between HashSet and List?
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Unlike a List<> ...
A HashSet is a List with no duplicate members.
Because a HashSet is...