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What is Objective C++? [closed]
...eatures to C++ classes. For example, you cannot use Objective-C syntax to call a C++ object, you cannot add constructors or destructors to an Objective-C object, and you cannot use the keywords this and self interchangeably. The class hierarchies are separate; a C++ class cannot inherit from an Obje...
bundle install returns “Could not locate Gemfile”
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You just need to change directories to your app, THEN run bundle install :)
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Asynchronously wait for Task to complete with timeout
...user.
And if it hasn't completed after Y milliseconds, I want to automatically request cancellation .
16 Answers
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Find the files that have been changed in last 24 hours
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To find all files modified in the last 24 hours (last full day) in a particular specific directory and its sub-directories:
find /directory_path -mtime -1 -ls
Should be to your liking
The - before 1 is important - it means anythi...
Using HTML5/Canvas/JavaScript to take in-browser screenshots
...mplementation of it into sending feedbacks like you described.
The script allows you to create feedback forms which include a screenshot, created on the client's browser, along with the form. The screenshot is based on the DOM and as such may not be 100% accurate to the real representation as it do...
Android studio Gradle icon error, Manifest Merger
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Studio 2.2 from today all having this and nt working this issue
– Prasad
Sep 28 '16 at 6:47
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What's the difference between Ruby's dup and clone methods?
..., name: "Favorites">
clone creates a new object with the same id, so all the changes made to that new object will overwrite the original record if hitting .save
category2 = category.clone
#=> #<Category id: 1, name: "Favorites">
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Regular expression for matching HH:MM time format
...t number (hours) is either:
a number between 0 and 19 --> [0-1]?[0-9] (allowing single digit number)
or
a number between 20 - 23 --> 2[0-3]
the second number (minutes) is always a number between 00 and 59 --> [0-5][0-9] (not allowing a single digit)
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How to use OR condition in a JavaScript IF statement?
... Just much better to use .toLowerCase() instead of having to check all different case variants.
– AquaAlex
Sep 18 '15 at 15:51
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When and how should I use a ThreadLocal variable?
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The ThreadLocal.get() method will call ThreadLocal.initialValue() (once) for each thread, which means that a SimpleDateFormat object is created for each thread. Isn't it better then just to have SimpleDateFormat as local variables(since we don't have to deal w...