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What is a unix command for deleting the first N characters of a line?
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Here is simple function, tested in bash. 1st param of function is string, 2nd param is number of characters to be stripped
function stringStripNCharsFromStart {
echo ${1:$2:${#1}}
}
Usage:
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MySQL remove all whitespaces from the entire column
...e done:
SELECT replace(CustomerName,' ', '') FROM Customers;
you can test this sample over here: W3School
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bash: shortest way to get n-th column of output
... I assumed that the real svn st would use tabs in its output. After some testing it seems that this is not the case. Damn.
– porges
Sep 6 '11 at 8:42
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RegEx to make sure that the string contains at least one lower case char, upper case char, digit and
...at would happen if i change the last .+ into .*? I couldn't come up with a test case that fails with .*. Are they same in this context? "Zero or more characters" seems to be fine - just seeking confirmation.
– Amarghosh
Oct 14 '09 at 9:49
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Using new line(\n) in string and rendering the same in HTML
...or some reason, I've to escape the "\n" as "\\n" or else it doesn't work. (tested in Chrome 46). Any reason why?
– Sujay Phadke
Dec 17 '15 at 19:05
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How to perform a real time search and filter on a HTML table
... {
text = $(this).text().replace(/\s+/g, ' ');
return !reg.test(text);
}).hide();
});
Demo: http://jsfiddle.net/dfsq/7BUmG/1133/
Debounce
When you implement table filtering with search over multiple rows and columns it is very important that you consider performance and searc...
Define all functions in one .R file, call them from another .R file. How, if possible?
...r file that 1. sources the larger collection of functions and 2. Runs your test cases. In R there are lots of ways to arrange your work flow.
– Bryan Hanson
Nov 25 '12 at 13:01
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How to scroll to top of long ScrollView layout?
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I found ScrollView#fullScroll() change current focus. I tested with EditText.
– illusionJJ
Apr 6 '18 at 1:28
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How to set or change the default Java (JDK) version on OS X?
... matches so you don't have to include the full version as it'll find the latest installed. This makes updates easier.
– antonyh
Dec 24 '14 at 15:28
16
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Parallel foreach with asynchronous lambda
... Console.WriteLine(i); throw new Exception("test exception"); }, maxDegreeOfParallelism: 2);
– nicolay.anykienko
Oct 18 '18 at 19:42
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