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How can I add to List
...t you add a number
untypedList.add(200);
// But it will also let you add a String! BAD!
untypedList.add("foo");
// YOU PROBABLY WANT THIS
// This is safer, because it will (partially) check the type of anything you add
List<Number> superclassedList = (List<Number>)(List<?>)list;
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How can I pad an integer with zeros on the left?
How do you left pad an int with zeros when converting to a String in java?
16 Answers
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Can you avoid Gson converting “” into unicode escape sequences?
I noticed that Gson converts the string "
1 Answer
1
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to_string is not a member of std, says g++ (mingw)
...rking. I copied the exact program from the question. I still get the 'to_string' is not a member of 'std' error. I compiled it as: g++ -std=c++0x -o tostring_test.exe tostring_test.cpp
– zam664
Dec 2 '13 at 16:58
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Struggling with NSNumberFormatter in Swift for currency
.../ In Swift 4, this ^ has been renamed to simply NSLocale.current
formatter.string(from: price) // "$123.44"
formatter.locale = Locale(identifier: "es_CL")
formatter.string(from: price) // $123"
formatter.locale = Locale(identifier: "es_ES")
formatter.string(from: price) // "123,44 €"
Here's ...
How to add new elements to an array?
...y( T[] a ) gives you back your array if you need it in this form.
List<String> where = new ArrayList<String>();
where.add( ContactsContract.Contacts.HAS_PHONE_NUMBER+"=1" );
where.add( ContactsContract.Contacts.IN_VISIBLE_GROUP+"=1" );
If you need to convert it to a simple array...
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C/C++头文件string与string.h的区别及Mac平台的特殊性 - C/C++ - 清泛网 - ...
C/C++头文件string与string.h的区别及Mac平台的特殊性c_string_hstrlen() 等函数需要string h头文件，不过MacOS下clang编译器比较特殊，必须string，可以用宏区分Mac平台。string.h（C语言头文件，提供字符数组相关C函数）
string.h是C语言里面...
Most efficient way of making an if-elif-elif-else statement when the else is done the most?
...for 'this', 'that', and 'there' - and then comparing hash codes instead of strings. That turned out to be twice as slow as the original, so it looks like string comparisons are already pretty well optimised internally.
– foz
Jun 18 '13 at 16:23
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Can I have onScrollListener for a ScrollView?
...public void onScrollChanged() { Log.d("onScrollChanged Y", String.valueOf(sv.getScrollY())); } });
– Raphael C
Jul 10 '14 at 14:04
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How to calculate the number of occurrence of a given character in each row of a column of strings?
I have a data.frame in which certain variables contain a text string. I wish to count the number of occurrences of a given character in each individual string.
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