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How do you roll back (reset) a Git repository to a particular commit? [duplicate]
I cloned a Git repository and then tried to roll it back to a particular commit early on in the development process. Everything that was added to the repository after that point is unimportant to me so I want to omit all subsequent changes from my local source code.
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How can I reliably get an object's address when operator& is overloaded?
...T & v_;
inline addr_impl_ref( T & v ): v_( v ) {}
inline operator T& () const { return v_; }
private:
addr_impl_ref & operator=(const addr_impl_ref &);
};
template<class T>
struct addressof_impl
{
static inline T * f( T & v, long ) {
return reinterpret_ca...
How can I mock dependencies for unit testing in RequireJS?
I have an AMD module I want to test, but I want to mock out its dependencies instead of loading the actual dependencies. I am using requirejs, and the code for my module looks something like this:
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Why is lazy evaluation useful?
I have long been wondering why lazy evaluation is useful. I have yet to have anyone explain to me in a way that makes sense; mostly it ends up boiling down to "trust me".
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C# DLL config file
Im trying to add an app.config file to my DLL, but all attempts have failed.
17 Answers
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Postgresql - change the size of a varchar column to lower length
...30 millions rows).
One of its columns is a varchar(255) and I would like to resize it to a varchar(40) .
Basically, I would like to change my column by running the following command:
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what is “strict mode” and how is it used?
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Its main purpose is to do more checking.
Just add "use strict"; at the top of your code, before anything else.
For example, blah = 33; is valid JavaScript. It means you create a completely global variable blah.
But in strict mode its an error...
What's a good way to overwrite DateTime.Now during testing?
I've got some (C#) code that relies on today's date to correctly calculate things in the future. If I use today's date in the testing, I have to repeat the calculation in the test, which doesn't feel right. What's the best way to set the date to a known value within the test so that I can test that ...
Creating a config file in PHP
I want to create a config file for my PHP project, but I'm not sure what the best way to do this is.
10 Answers
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Best practice for storing and protecting private API keys in applications [closed]
Most app developers will integrate some third party libraries into their apps. If it's to access a service, such as Dropbox or YouTube, or for logging crashes. The number of third party libraries and services is staggering. Most of those libraries and services are integrated by somehow authenticatin...