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Should a return statement be inside or outside a lock?
...gram::sync
L_0005: dup
L_0006: stloc.1
L_0007: call void [mscorlib]System.Threading.Monitor::Enter(object)
L_000c: call int32 Program::GetValue()
L_0011: stloc.0
L_0012: leave.s L_001b
L_0014: ldloc.1
L_0015: call void [mscorlib]System.Threading.Monitor::Exit(obje...
How to prevent a background process from being stopped after closing SSH client in Linux
I'm working on a Linux machine through SSH (Putty). I need to leave a process running during the night, so I thought I could do that by starting the process in background (with an ampersand at the end of the command) and redirecting stdout to a file.
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Pandas index column title or name
...n [10]: df
Out[10]:
Column 1
foo
Apples 1
Oranges 2
Puppies 3
Ducks 4
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What is a “web service” in plain English?
... a function that can be accessed by other programs over the web (HTTP).
For example, when you create a website in PHP that outputs HTML, its target is the browser and by extension the human reading the page in the browser. A web service is not targeted at humans but rather at other programs.
So y...
Are static variables shared between threads?
... visibility. If they are accessible any thread can get at them, so you're more likely to see concurrency problems because they're more exposed.
There is a visibility issue imposed by the JVM's memory model. Here's an article talking about the memory model and how writes become visible to threads. Yo...
NVIDIA vs AMD: GPGPU performance
I'd like to hear from people with experience of coding for both. Myself, I only have experience with NVIDIA.
10 Answers
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Why exactly is eval evil?
...be avoided unless strictly necessary. I’ve seen the same recommendation for several programming languages, but I’ve not yet seen a list of clear arguments against the use of eval . Where can I find an account of the potential problems of using eval ?
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Problems with entering Git commit message with Vim
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If it is VIM for Windows, you can do the following:
enter your message following the presented guidelines
press Esc to make sure you are out of the insert mode
then type :wqEnter or ZZ.
Note that in VIM there are often several ways to ...
Vim clear last search highlighting
...occurrences highlighted. How can I disable that? I now do another search for something gibberish that can't be found.
31 A...
How do I run a Python program?
...
I'm very glad you asked! I was just working on explaining this very thing in our wikibook (which is obviously incomplete). We're working with Python novices, and had to help a few through exactly what you're asking!
Command-line Python in Windows:
Save yo...