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switch() statement usage
...ue again. It seems switch is generally faster than if statements.
So that, and the fact that the code is shorter/neater with a switch statement leans in favor of switch:
# Simplified to only measure the overhead of switch vs if
test1 <- function(type) {
switch(type,
mean = 1,
m...
Counting Chars in EditText Changed Listener
...ct I have an EditText . I want to count the characters in the EditText , and show that number it in a TextView . I have written the following code and it works fine. However, my problem is when I click Backspace it counts up, but I need to decrement the number. How can I consider Backspace ?
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Is null check needed before calling instanceof?
... operator is true if the
value of the RelationalExpression is
not null and the reference could be
cast to the ReferenceType
without raising a ClassCastException.
Otherwise the result is false."
So if the operand is null, the result is false.
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Calculate age given the birth date in the format YYYYMMDD
... answered Feb 24 '14 at 9:51
André Snede KockAndré Snede Kock
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Passing parameters in rails redirect_to
... MAY be carried out by the user agent without interaction with the user if and only if the method used in the second request is GET or HEAD." Expand on what you're really trying to accomplish and we can probably push you in the correct direction.
– jdl
Sep 16 ...
Is JavaScript guaranteed to be single-threaded?
...aded in all modern browser implementations, but is that specified in any standard or is it just by tradition? Is it totally safe to assume that JavaScript is always single-threaded?
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Get city name using geolocation
I managed to get the user's latitude and longitude using HTML-based geolocation.
11 Answers
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How to interactively (visually) resolve conflicts in SourceTree / git
...m using (Windows) SourceTree for my git project. I can do it in either command prompt or Linux terminal.
3 Answers
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HTML character decoding in Objective-C / Cocoa Touch
...SO-8859-1 character encoding scheme, which is &.
The reason the ampersand has to be encoded in RSS is it's a reserved special character.
What you need to do is parse the string and replace the entities with a byte matching the value between &# and ;. I don't know of any great ways to do t...
JavaScript exponents
...inal specification. It is supposed to work in a similar manner with python and matlab:
a**b // will rise a to the power b
Now it is already implemented in Edge14, Chrome52, and also it is available with traceur or babel.
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