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How do I “un-revert” a reverted Git commit?
Given a change that has been committed using commit , and then reverted using revert , what is the best way to then undo that revert?
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Type Checking: typeof, GetType, or is?
...y_a_dog = new Dog();
Foo(probably_a_dog); // this calls Foo<Animal> and returns "Animal"
Foo<Animal>(probably_a_dog); // this is exactly the same as above
Foo<Dog>(probably_a_dog); // !!! This will not compile. The parameter expects a Dog, you cannot pass in an Animal.
Foo(defini...
registerForRemoteNotificationTypes: is not supported in iOS 8.0 and later
... team is using both Xcode 5 (which doesn't know about any iOS 8 selectors) and Xcode 6, then you will need to use conditional compiling as follows:
#if __IPHONE_OS_VERSION_MAX_ALLOWED >= 80000
if ([application respondsToSelector:@selector(registerUserNotificationSettings:)]) {
// use registe...
Append to a file in Go
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@SridharRatnakumar: see another comment and man umask. With typical umask of 022, you'll get typical permissions: 0666 & ~022 = 0644 = rw-r--r--
– akavel
Oct 22 '13 at 19:52
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How to run a hello.js file in Node.js on windows?
...run the "Hello World" example found at http://nodejs.org/. This is a quick and dirty example. For a permanent installation you'd want to store the executable in a more reasonable place than the root directory and update your PATH to include its location.
Download the Windows executable here: http:...
How do I preview emails in Rails?
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@andres Pretty sure that's by design--you don't want users to preview your mail on production servers, it's meant only for local development.
– mpowered
Jan 24 '15 at 5:45
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How to enable mod_rewrite for Apache 2.2
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In order to use mod_rewrite you can type the following command in the terminal:
sudo a2enmod rewrite
Restart apache2 after
sudo /etc/init.d/apache2 restart
or
sudo service apache2 restart
or as per new unified System Control Way
sudo systemctl restart apache2
Then, if you...
Multi-line regex support in Vim
I notice the standard regex syntax for matching across multiple lines is to use /s, like so:
1 Answer
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'heroku' does not appear to be a git repository
...loy with heroku must be done from root directory with a valid package.json and .git folder, as told here stackoverflow.com/questions/38658038/…
– Junior Mayhé
Jul 31 '17 at 17:56
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How to Get Element By Class in JavaScript?
...he way it works is by looping through all of the elements in the document, and searching their class list for matchClass. If a match is found, the contents is replaced.
jsFiddle Example, using Vanilla JS (i.e. no framework)
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