Questions tagged [value-of]
138 questions
2
votes
1 answer
Performance of BigDecimal.valueOf( double d )
I have a piece of code that needs to repetitively calculate the following...
double consumption = minConsumption + ( Math.random() * ( ( maxConsumption - minConsumption ) + 1 ) );
currentReading = currentReading.add(…
Mike Q
- 22,839
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2
votes
1 answer
Select value of xml document with namespace
I have the following XML snippet
123321
And i want to select the value of with XSL template, but not able to get it by using
evilsoldier
- 161
- 12
2
votes
1 answer
XSLT: value-of returns repeated element value
I am attempting to extract element values associated with attributes of specific values: Example: //Profile/Topic/Attrib[@name='description']
The value returned repeats in the Output XML for each Profile.
The target entity is the "Profile" which…
GLarose
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2
votes
1 answer
Is it possible to force XSLT transformation to fail if an element does not exist?
We are using XSLT stylesheets to extract data from a large XML file and write it to a CSV file.
The code to write out the value to CSV typically looks like this:
...
Hoppy
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2
votes
1 answer
Significance of valueOf() in javascript
I have noticed the snippet_1 in the implementation of one of the Node API's. Snippet_2 has been written by me. I don't feel much difference between them. Is there really any significance of using valueOf() function.
And also, we can notice a…
Prem
- 5,685
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2
votes
2 answers
String.valueOf(someVar) vs ("" + someVar)
I want to know the difference in two approaches. There are some old codes on which I'm working now, where they are setting primitive values to a String value by concatenating with an empty String "".
obj.setSomeString("" + primitiveVariable);
But…
Arun Sudhakaran
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2
votes
1 answer
Racket - make-closure and apply-closure
So I'm fairly inexperienced with Racket but am writing an interpreter.
I've been unable to find insight as to what exactly a closure is, or how "apply-closure" or "make-closure" would be defined/explained.
I'm writing just a value-of interpreter…
A_J
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2
votes
3 answers
Difference between String.valueOf(int i) and printing only i
See the below code snippet:
int count = 0;
String query = "getQuery";
String query1 = "getQuery";
final String PARAMETER = "param";
query += "&" + PARAMETER + "=" + String.valueOf(count);
query1 += "&" + PARAMETER + "=" +…
MonsterJava
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2
votes
2 answers
How do I only retrieve numbers in an EditText instead of the whole String?
Double value = Double.valueOf(temp.getText().toString());
Let's say editText temp is 32 Celsius.
I only want to get 32 instead of "32 Celsius" so how would I be able to do this? Is this possible?
I'm a newbie with Android Studio.
Marcella Ruiz
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2
votes
1 answer
Counting nodes with certain attribute values in XSLT
Suppose I have some XML like this:
-
Paul Reiners
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2
votes
3 answers
Clarification regarding Integer comparison?
class Demo{
public static void main(String[] args) {
Integer i = Integer.valueOf(127);
Integer j = Integer.valueOf(127);
System.out.println(i==j);
Integer k = Integer.valueOf(128);
Integer l =…
Prasoon Mishra
- 69
- 6
2
votes
3 answers
Java autoboxing ValueOf(String)
What do you think about the following line of code?:
String s= "10.0";
float f = Float.valueOf(s).floatValue();//1
Is it necessary? Why would it be better using such a syntax rather than using:
float f = Float.valueOf(s);//2
It still gives the…
Rollerball
- 12,618
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2
votes
5 answers
java String.valueOf issue
I wrote this code:
byte[] test = {-51};
byte[] test2 = {-51};
byte[] test3 = {-51};
System.out.println(String.valueOf(test));
System.out.println(String.valueOf(test2));
System.out.println(String.valueOf(test3));
And i've got a different…
Михаил Кузнецов
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1
vote
1 answer
variable name with value of int i
i try made something like this:
for (int i=0; i<8; i++) {
UIButton *btn_i = [[UIButton alloc] initWithFrame:CGRectMake(0 * numberRowsOfMenu, 0 * heightOfRow, btnWidth, btnHeight)];
}
where UIButton *btn_i is btn_ + value of i.
it is possible in…
Tomasz Szulc
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- 79
1
vote
1 answer
When the method valueOf may be absent?
I have this code. And I don't understand how it works.
let obj = {
valueOf: function () {
return {};
},
toString: function () {
return 222;
}
};
console.log(Number(obj)); //222
According to this source, the…
Ivan
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