大约有 44,488 项符合查询结果（耗时：0.0308秒） [XML]
What are the relative strengths and weaknesses of Git, Mercurial, and Bazaar? [closed]
What do folks here see as the relative strengths and weaknesses of Git, Mercurial, and Bazaar?
16 Answers
...
Storing JSON in database vs. having a new column for each key
...dated 4 June 2017
Given that this question/answer have gained some popularity, I figured it was worth an update.
When this question was originally posted, MySQL had no support for JSON data types and the support in PostgreSQL was in its infancy. Since 5.7, MySQL now supports a JSON data type (in a...
What is x after “x = x++”?
...x does get incremented. But you are assigning the old value of x back into itself.
x = x++;
x++ increments x and returns its old value.
x = assigns the old value back to itself.
So in the end, x gets assigned back to its initial value.
...
In what cases could `git pull` be harmful?
I have a colleague who claims that git pull is harmful, and gets upset whenever someone uses it.
5 Answers
...
Make a div into a link
I have a <div> block with some fancy visual content that I don't want to change. I want to make it a clickable link.
...
Why should I care about lightweight vs. annotated tags?
I switched from Subversion to Git as my day-to-day VCS last year and am still trying to grasp the finer points of "Git-think".
...
What's the best way of scraping data from a website? [closed]
I need to extract contents from a website, but the application doesn’t provide any application programming interface or another mechanism to access that data programmatically.
...
Why is i++ not atomic?
...
i++ is probably not atomic in Java because atomicity is a special requirement which is not present in the majority of the uses of i++. That requirement has a significant overhead: there is a large cost in making an increment operation atomic; it involves synchronization at ...
Is it better to use Enumerable.Empty() as opposed to new List() to initialize an IEnumerable
...mory. Than Garbage Collector has to take care of them. If you are dealing with high throughput application, it could be noticeable impact.
Enumerable.Empty does not create an object per call thus putting less load on GC.
If the code is in low-throughput location, then it boils down to aesthetic co...
What is a void pointer in C++? [duplicate]
...
A void* does not mean anything. It is a pointer, but the type that it points to is not known.
It's not that it can return "anything". A function that returns a void* generally is doing one of the following:
It is dealing in unformatted memory. This is wh...