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How to do the equivalent of pass by reference for primitives in Java
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You have several choices. The one that makes the most sense really depends on what you're trying to do.
Choice 1: make toyNumber a public member variable in a class
class MyToy {
public int toyNumber;
}
then pass a reference to a MyToy to your metho...
Concept behind these four lines of tricky C code
...-------- -------- --------
+ shows the position of the sign; ^ of the exponent, and - of the mantissa (i.e. the value without the exponent).
Since the representation uses binary exponent and mantissa, doubling the number increments the exponent by one. Your program does it precisely 771 times, so...
Soft keyboard open and close listener in an activity in Android
... enter some value in it. I want to set some other View 's visibility to Gone when the soft keyboard opens and also when the user clicks on the first EditText and also when the soft keyboard closes from the same EditText on the back button press. Then I want to set some other View 's visibili...
Difference between break and continue statement
Can anyone tell me the difference between break and continue statements?
21 Answers
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How to use redis PUBLISH/SUBSCRIBE with nodejs to notify clients when data values change?
...fire.
Install node.js+npm(as non root)
First you should(if you have not done this yet) install node.js+npm in 30 seconds (the right way because you should NOT run npm as root):
echo 'export PATH=$HOME/local/bin:$PATH' >> ~/.bashrc
. ~/.bashrc
mkdir ~/local
mkdir ~/node-latest-install
cd ~/n...
C# string reference type?
...tring test)
Also about string being a reference type, its also a special one. Its designed to be immutable, so all of its methods won't modify the instance (they return a new one). It also has some extra things in it for performance.
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Generate random numbers following a normal distribution in C/C++
... formula to them, you get two normally distributed random numbers. Return one, and save the other for the next request for a random number.
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Select values from XML field in SQL Server 2008
... You must use .nodes() and cross apply if xmlField contains more than one <person> elements.
– Remus Rusanu
May 22 '09 at 18:45
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How do I get a value of datetime.today() in Python that is “timezone aware”?
I am trying to subtract one date value from the value of datetime.today() to calculate how long ago something was. But it complains:
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For loop for HTMLCollection elements
...through the time period 2015-2018 giving you additional ways to iterate. None of these are now needed in modern browsers since you can use the options described above.
Update for ES6 in 2015
Added to ES6 is Array.from() that will convert an array-like structure to an actual array. That allows on...