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How to loop through array in jQuery?
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(Update: My other answer here lays out the non-jQuery options much more thoroughly. The third option below, jQuery.each, isn't in it though.)
Four options:
Generic loop:
var i;
for (i = 0; i < substr.length; ++i) {
// do something with `substr[i]`
}
or in ES2015+:
for (let i = ...
Regex to match a digit two or four times
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There's no specific syntax for that, but there are lots of ways to do it:
(?:\d{4}|\d{2}) <-- alternation: four digits or two
\d{2}(?:\d{2})? <-- two digits, and optionally two more
(?:\d{2}){1,2} <-- two digits, times one or two
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What does “Could not find or load main class” mean?
... Java developers experience is that their programs fail to run with the error message: Could not find or load main class ...
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Does a finally block always run?
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from the Sun Tutorials
Note: If the JVM exits while the try
or catch code is being executed, then
the finally block may not execute.
Likewise, if the thread executing the
try or catch code is interrupted or
killed, the finally ...
How can I remove a button or make it invisible in Android?
How can I remove a button in Android, or make it invisible?
14 Answers
14
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In Python, what happens when you import inside of a function? [duplicate]
What are the pros and cons of importing a Python module and/or function inside of a function, with respect to efficiency of speed and of memory?
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How can I install pip on Windows?
pip is a replacement for easy_install . But should I install pip using easy_install on Windows? Is there a better way?
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What is the meaning of prepended double colon “::”?
...obal namespace, instead of starting at the namespace you're currently in. For instance, if you had two different classes called Configuration as such:
class Configuration; // class 1, in global namespace
namespace MyApp
{
class Configuration; // class 2, different from class 1
function blah...
Case statement with multiple values in each 'when' block
The best way I can describe what I'm looking for is to show you the failed code I've tried thus far:
3 Answers
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What is the proper REST response code for a valid request but an empty data?
For example you run a GET request for users/9 but there is no user with id #9.
Which is the best response code?
23 Answer...