大约有 42,000 项符合查询结果（耗时：0.0647秒） [XML]
What is [Serializable] and when should I use it?
...
When you create an object in a .Net framework application, you don't need to think about how the data is stored in memory. Because the .Net Framework takes care of that for you. However, if you want to store the contents of an object to a file, send an object to another process or transmit it acros...
Understanding Canvas and Surface concepts
I'm struggling to understand the process of drawing to SurfaceView and therefore the whole Surface / Canvas / Bitmap system, which is used in Android.
...
Visual Studio : short cut Key : Duplicate Line
... a line if nothing is selected, or duplicates selection. You can assign it to a different key combination, or find it in the menu:
See this reference for more information.
Pre VS2017, built-in method using clipboard
As @cand mentioned, you can just do Ctrl + C ; Ctrl + V.
Ctrl + C will copy th...
How to delete a specific line in a file?
...file in write mode and write your lines back, except for the line you want to delete:
with open("yourfile.txt", "r") as f:
lines = f.readlines()
with open("yourfile.txt", "w") as f:
for line in lines:
if line.strip("\n") != "nickname_to_delete":
f.write(line)
You need ...
Why is “int i = 2147483647 + 1;” OK, but “byte b = 127 + 1;” is not compilable?
..., so 2147483647 + 1 overflows and gives you a new int, which is assignable to int, while 127 + 1 also evaluated as int equals to 128, and it is not assignable to byte.
share
|
improve this answer
...
What is a 'Closure'?
...urrying and closures were mentioned.
What is a closure? How does it relate to currying?
23 Answers
...
Image Processing: Algorithm Improvement for 'Coca-Cola Can' Recognition
... past couple of years was a project about image processing . The goal was to develop a system to be able to recognize Coca-Cola 'cans' (note that I'm stressing the word 'cans', you'll see why in a minute). You can see a sample below, with the can recognized in the green rectangle with scale and...
AES Encryption for an NSString on the iPhone
Can anybody point me in the right direction to be able to encrypt a string, returning another string with the encrypted data? (I've been trying with AES256 encryption.) I want to write a method which takes two NSString instances, one being the message to encrypt and the other being a 'passcode' to e...
What is a Java ClassLoader?
...
Taken from this nice tutorial from Sun:
Motivation
Applications written in statically compiled programming languages, such as C and C++, are compiled into native, machine-specific instructions and saved as an executable file. The process of combi...
Embed git commit hash in a .Net dll
...
We use tags in git to track versions.
git tag -a v13.3.1 -m "version 13.3.1"
You can get the version with hash from git via:
git describe --long
Our build process puts the git hash in the AssemblyInformationalVersion attribute of the Asse...