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Objective-C - Remove last character from string

...hat method you can trim your string like this: if ([string length] > 0) { string = [string substringToIndex:[string length] - 1]; } else { //no characters to delete... attempting to do so will result in a crash } If you want a fancy way of doing this in just one line of code you...
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How do you remove a Cookie in a Java Servlet

...okie to persist for the duration of the session. You want to set MaxAge to 0 instead. From the API documentation: A negative value means that the cookie is not stored persistently and will be deleted when the Web browser exits. A zero value causes the cookie to be deleted. ...
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Getting the count of unique values in a column in bash

....Paused until further notice. 287k8181 gold badges340340 silver badges410410 bronze badges add a comment ...
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ValueError: math domain error

... | edited Sep 3 '17 at 20:49 answered Apr 8 '13 at 23:06 ...
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Getting LaTeX into R Plots

... answered Sep 12 '09 at 1:11 Christopher DuBoisChristopher DuBois 36.7k2323 gold badges6565 silver badges9191 bronze badges ...
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how to rotate a bitmap 90 degrees

There is a statement in android canvas.drawBitmap(visiblePage, 0, 0, paint); 10 Answers ...
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nil detection in Go

... alamin 1,52011 gold badge2020 silver badges2626 bronze badges answered Nov 27 '13 at 10:47 OleiadeOleiade ...
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Grep characters before and after match?

... characters after $> echo "some123_string_and_another" | grep -o -P '.{0,3}string.{0,4}' 23_string_and share | improve this answer | follow | ...
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How to remove leading zeros using C#

...e ones that convert through IntXX) methods will not work for: String s = "005780327584329067506780657065786378061754654532164953264952469215462934562914562194562149516249516294563219437859043758430587066748932647329814687194673219673294677438907385032758065763278963247982360675680570678407806473296...
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Hex representation of a color with alpha channel?

...se rgba() functional notation with decimals or percentages, e.g. rgba(255, 0, 0, 0.5) would be 50% transparent red. RGB channels are 0-255 or 0%-100%, alpha is 0-1. In CSS 4*, you can specify the alpha channel using the 7th and 8th characters of an 8 digit hex colour, or 4th character of a 4 digit ...