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The type or namespace name 'Objects' does not exist in the namespace 'System.Data'
I am using entities, C# and SQL Server to create an n-tier app. I am creating some base classes common to all my DAL components. In this base class, i want to handle the connection state of the ObjectContext base class inherited by entities object.
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multiple prints on the same line in Python
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This doesn't work if you have both prints and a time consuming action in between (all in the same function / indentation level). Before the action starts, there is no output at all and after it is finished the output appears as whole
– Paddre
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tinygrad：不到1000行代码的深度学习框架，天才黑客开源GitHub 2.3k+ stars...
...nyBobNet()
optim = optim.SGD([model.l1, model.l2], lr=0.001)
# ... and complete like pytorch, with (x,y) data
out = model.forward(x)
loss = out.mul(y).mean()
loss.backward()
optim.step()
另外tinygrad也支持GPU：
from tinygrad.tensor import Tensor(Tensor.ones(4,4).cuda() ...
Async Image Loader Extension：异步图像加载器扩展 - App Inventor 2 拓展...
... arrangement component with circular image. This is a simple, light weight and fast async image loader since it does not uses any external library to load images.
Specifications[size=15.008px] Size: 9.36 KB
Version: 5.0
Minimum API Level: 7
Updated On: February 18, 2025 (Calcutta)...
Why isn't sizeof for a struct equal to the sum of sizeof of each member?
...y alignment constraints. Data structure alignment impacts both performance and correctness of programs:
Mis-aligned access might be a hard error (often SIGBUS).
Mis-aligned access might be a soft error.
Either corrected in hardware, for a modest performance-degradation.
Or corrected by emulation...
In C, do braces act as a stack frame?
...nt of view, it is like they are pushed onto the stack as they are declared and then popped when the scope is exited. However, compilers don't have to generate code that pushes/pops anything on entry/exit (and generally, they don't).
Also note that local variables may not use any stack space at all...
Linux command to print directory structure in the form of a tree
Is there any linux command that I can call from a Bash script that will print the directory structure in the form of a tree, e.g.,
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How to reset db in Django? I get a command 'reset' not found error
...apps like manage.py reset <appname> did. It results in an error: CommandError: Command doesn't accept any arguments
– Andre
May 6 '13 at 19:20
5
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How to overcome TypeError: unhashable type: 'list'
...e split the file on `x`, since the part before the x will be
# the key and the part after the value
line = line.split('x')
# Take the line parts and strip out the spaces, assigning them to the variables
# Once you get a bit more comfortable, this works as well:
# key, value = [x....
Changing the resolution of a VNC session in linux [closed]
...eas if I set it to run at 1600x1200 it doesn't fit on the laptop's screen, and I have to scroll it all the time.
15 Answers...