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From Arraylist to Array

... The method toArray(T[]) in the type ArrayList<Character> is not applicable for the arguments (char[]) – Aaron Franke Apr 2 '18 at 4:28 add a co...
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How to print third column to last column?

...e the same between all columns, but there have to be EXACTLY ONE delimiter character between columns. So if you are dealing with programs that align their output with delimiters, it is better to use awk. – sknaumov Aug 21 '12 at 12:40 ...
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generate days from date range

...000 days, and could be extended to go as far back or forward as you wish. select a.Date from ( select curdate() - INTERVAL (a.a + (10 * b.a) + (100 * c.a) + (1000 * d.a) ) DAY as Date from (select 0 as a union all select 1 union all select 2 union all select 3 union all select 4 union all ...
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When should I use nil and NULL in Objective-C?

...ke a C pointer) in Objective-C. Like nil , NULL got no value nor address. char *myChar = NULL; struct MyStruct *dStruct = NULL; So if there is a situation, when I need to check my struct (structure type variable) is empty or not then, I will use: if (dStruct == NULL) NSLog("The struct is emp...
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Get selected value/text from Select on change

I need to get the value of the selected option in javascript: does anyone know how to get the selected value or text, please tell how to write a function for it. I have assigned onchange() function to select so what do i do after that? ...
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maxlength ignored for input type=“number” in Chrome

...rch, password, tel, or url, this attribute specifies the maximum number of characters (in Unicode code points) that the user can enter; for other control types, it is ignored. So maxlength is ignored on <input type="number"> by design. Depending on your needs, you can use the min and max at...
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How do I convert a double into a string in C++?

... // The C way: char buffer[32]; snprintf(buffer, sizeof(buffer), "%g", myDoubleVar); // The C++03 way: std::ostringstream sstream; sstream << myDoubleVar; std::string varAsString = sstream.str(); // The C++11 way: std::string varAsS...
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How do I check if a variable exists in a list in BASH

... give false positive if the user input contains regular expression special characters, for example x=. – glenn jackman Nov 9 '11 at 11:41 ...
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PHP function to get the subdomain of a URL

...rk in almost all cases, be aware that domains names might have more than 6 chars, like pvt.k12.ma.us, health.vn or even k12.ak.us. Also, domains names may be use Chinese or Russian character set so the regex part [a-z\.]{2,6} would not match them. Check out here to have example domains name: publics...
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Limit the length of a string with AngularJS

... remove . and , so its gives a cleaner result. if (value.charAt(lastspace-1) === '.' || value.charAt(lastspace-1) === ',') { lastspace = lastspace - 1; } value = value.substr(0, lastspace); } } ...