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Named regular expression group “(?Pregexp)”: what does “P” stand for?
...he (?P<group_name>…) syntax allows one to refer to the matched string through its name:
3 Answers
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JavaScript by reference vs. by value [duplicate]
... object.
An example:
function changeParam(x, y, z) {
x = 3;
y = "new string";
z["key2"] = "new";
z["key3"] = "newer";
z = {"new" : "object"};
}
var a = 1,
b = "something",
c = {"key1" : "whatever", "key2" : "original value"};
changeParam(a, b, c);
// at this point a is still ...
Add directives from directive in AngularJS
...ve needs to have a lower priority than this, or else you will only get the string values of the attributes due to the directory being terminal. See (see this github pull request and this related issue)
– Simen Echholt
Jan 5 '14 at 13:56
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How to sum up elements of a C++ vector?
What are the good ways of finding the sum of all the elements in a std::vector ?
11 Answers
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What is the most efficient way to concatenate N arrays?
...w array that concatenates two existing arrays, it appears concat() is generally faster. For the case of concatenating an array onto an existing array in place, push() is the way to go. I updated my answer.
– Tim Down
Apr 22 '12 at 22:12
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Java switch statement multiple cases
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public class SwitchTest {
public static void main(String[] args){
for(int i = 0;i<10;i++){
switch(i){
case 1: case 2: case 3: case 4: //First case
System.out.println("First case");
break;
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What is the appropriate HTTP status code response for a general unsuccessful request (not an error)?
...et around the error. Use a 5xx for a server error that the client can't really work around.
Product sold out would be a server error. The client can't modify the request in some fashion to get around the error. You could switch to another product but wouldn't that be a new request?
User maximu...
Is there a concise way to iterate over a stream with indices in Java 8?
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The cleanest way is to start from a stream of indices:
String[] names = {"Sam", "Pamela", "Dave", "Pascal", "Erik"};
IntStream.range(0, names.length)
.filter(i -> names[i].length() <= i)
.mapToObj(i -> names[i])
.collect(Collectors.toList());
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Partly JSON unmarshal into a map in Go
...his data will always be wrapped in an object with key/value pairs. The key-string will act as value identifier, telling the Go server what kind of value it is. By knowing what type of value, I can then proceed to JSON unmarshal the value into the correct type of struct.
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Testing Private method using mockito
How to test private method is called or not, and how to test private method using mockito???
12 Answers
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