大约有 10,700 项符合查询结果（耗时：0.0290秒） [XML]
How to change past commit to include a missed file?
...sitory this way. It's better to add a new commit with missing file in that case.
share
|
improve this answer
|
follow
|
...
How can I display just a portion of an image in HTML/CSS?
...play just the the center 50x50px of an image that's 250x250px in HTML. How can I do that. Also, is there a way to do this for css:url() references?
...
Effect of NOLOCK hint in SELECT statements
... to complete faster than a normal select.
Why would this be?
NOLOCK typically (depending on your DB engine) means give me your data, and I don't care what state it is in, and don't bother holding it still while you read from it. It is all at once faster, less resource-intensive, and very very dan...
How to resize an image with OpenCV2.0 and Python2.6
...l = scipy.misc.imresize(image, 0.5)
There are obviously more options you can read in the documentation of those functions (cv2.resize, scipy.misc.imresize).
Update:
According to the SciPy documentation:
imresize is deprecated in SciPy 1.0.0, and
will be removed in 1.2.0. Use skimage.trans...
What's the difference between design patterns and architectural patterns?
...n we read about design patterns on the internet we note that there are 3 categories:
5 Answers
...
In C# what is the difference between a destructor and a Finalize method in a class?
... do so. Manually overriding Finalize will give you an error message.
Basically what you are trying to do with your Finalize method declaration is hiding the method of the base class. It will cause the compiler to issue a warning which can be silenced using the new modifier (if it was going to work...
Create a submodule repository from a folder and keep its git commit history
I have a web application that explores other web applications in a particular way. It contains some web demos in a demos folder and one of the demo should now have it's own repository. I would like to create a separate repository for this demo application and make it a subpackage submodule fro...
How to print to console in pytest?
...
By default, py.test captures the result of standard out so that it can control how it prints it out. If it didn't do this, it would spew out a lot of text without the context of what test printed that text.
However, if a test fails, it will inc...
What does the star operator mean, in a function call?
...e star * unpacks the sequence/collection into positional arguments, so you can do this:
def sum(a, b):
return a + b
values = (1, 2)
s = sum(*values)
This will unpack the tuple so that it actually executes as:
s = sum(1, 2)
The double star ** does the same, only using a dictionary and thu...
const vs constexpr on variables
...
I believe there is a difference. Let's rename them so that we can talk about them more easily:
const double PI1 = 3.141592653589793;
constexpr double PI2 = 3.141592653589793;
Both PI1 and PI2 are constant, meaning you can not modify them. However only PI2 is a compile-time const...