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Default value of 'boolean' and 'Boolean' in Java
...ull. Primitives have different default values:
boolean -> false
byte, char, short, int, long -> 0
float, double -> 0.0
Note (2): void has a wrapper Void which also has a default of null and is it's only possible value (without using hacks).
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boost多索引容器multi_index_container实战 - C/C++ - 清泛网 - 专注C/C++及内核技术
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typedef std::vector<Person::ptr> Persons;
int main(int argc, char *argv[]) {
if (argc != 2) {
printf("Usage: program count\n");
return 0;
}
PersonContainer container;
IdPersons idPersons;
NamePersons namePersons;
p...
How to check if my string is equal to null?
...mpty, false otherwise
return myString.isEmpty() // Returns `true` if this char sequence is empty (contains no characters), false otherwise
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Java String remove all non numeric characters
Trying to remove all letters and characters that are not 0-9 and a period. I'm using Character.isDigit() but it also removes decimal, how can I also keep the decimal?
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Remove all whitespaces from NSString
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stringByTrimmingCharactersInSet only removes characters from the beginning and the end of the string, not the ones in the middle.
1) If you need to remove only a given character (say the space character) from your string, use:
[yourString ...
Why does base64 encoding require padding if the input length is not divisible by 3?
... either have to decode 4 bytes at a time or split the string after padding characters. It seems like those implementations just ignore the padding chars, even when they are in the middle of a string.
– Roman
May 30 at 7:02
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How to replace all dots in a string using JavaScript
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You need to escape the . because it has the meaning of "an arbitrary character" in a regular expression.
mystring = mystring.replace(/\./g,' ')
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How to find out where a function is defined?
...ect files for a specific string and tell you which file it is in and which char position it starts at using only basic php.
Hope this helps someone...
<?php
$find="somefunction()";
echo findString('./ProjectFolderOrPath/',$find);
function findString($path,$find){
$return='';
ob_start(...
Convert Json Array to normal Java list
...op is missing the closing parenthesis... tried editing but it's not enough characters to pass approval. oh well! just an FYI.
– Matt K
Sep 21 '11 at 17:09
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Escape double quote character in XML
Is there an escape character for a double quote in xml? I want to write a tag like:
8 Answers
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