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List of lists changes reflected across sublists unexpectedly
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When you write [x]*3 you get, essentially, the list [x, x, x]. That is, a list with 3 references to the same x. When you then modify this single x it is visible via all three references to it:
x = [1] * 4
l = [x] * 3
print(f"id(x): {id...
How to find path of active app.config file?
...follow
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edited Aug 30 at 0:07
Christopher Moore
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How do I get PyLint to recognize numpy members?
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If using Visual Studio Code with Don Jayamanne's excellent Python extension, add a user setting to whitelist numpy:
{
// whitelist numpy to remove lint errors
"python.linting.pylintArgs": [
"--extension-pkg-whitelist=numpy"
]
}
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iOS multiline label in Interface builder
...n I make a multiline UILabel in interface builder for iOS? I tried the UITextView but it didn't quite suit my needs.
11...
Using smart pointers for class members
...tr / weak_ptr work in general. What I don't understand is the real usage. It seems like everybody recommends using unique_ptr as the way to go almost all the time. But how would I implement something like this:
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How do you find out the caller function in JavaScript?
... This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.
The following is the old answer from 200...
How to determine if a process runs inside lxc/Docker?
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The most reliable way is to check /proc/1/cgroup. It will tell you the control groups of the init process, and when you are not in a container, that will be / for all hierarchies. When you are inside a container, you will see the name of the anchor point. With LXC/Docker con...
Show a popup/message box from a Windows batch file
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I would make a very simple VBScript file and call it using CScript to parse the command line parameters.
Something like the following saved in MessageBox.vbs:
Set objArgs = WScript.Arguments
messageText = objArgs(0)
MsgBox messageText
Which you would call like:
cscript ...
Remove ALL styling/formatting from hyperlinks
I'm creating a navigation menu with words with different colors ( href links). I would like the color NOT to change on any state (hover, visited etc).
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Font scaling based on width of container
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EDIT: If the container is not the body CSS Tricks covers all of your options in Fitting Text to a Container.
If the container is the body, what you are looking for is Viewport-percentage lengths:
The viewport-percentage le...