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Generate Java classes from .XSD files…?
...D schema file which defines XML requests/responses that I can send/receive from QuickBooks.
13 Answers
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Meaning of “[: too many arguments” error from if [] (square brackets)
... shells called by /bin/sh etc.
This means on some systems, it might work from the console but not when called elsewhere, like from cron, depending on how everything is configured.
It would look like this:
VARIABLE=$(/some/command);
if [[ $VARIABLE == 0 ]]; then
# some action
fi
If your com...
In Docker, what's the difference between a container and an image? [duplicate]
...ile to stick around when you exit and restart the image. You're restarting from exactly the same defined state as you started in before, not where you left off.
$ docker run -i -t ubuntu /bin/bash
root@abf181be4379:/# ls
bin boot dev etc home lib lib64 media mnt opt proc root run sbin...
How can I send mail from an iPhone application
I want to send an email from my iPhone application. I have heard that the iOS SDK doesn't have an email API. I don't want to use the following code because it will exit my application:
...
Can I call a constructor from another constructor (do constructor chaining) in C++?
...ature (called delegating constructors).
The syntax is slightly different from C#:
class Foo {
public:
Foo(char x, int y) {}
Foo(int y) : Foo('a', y) {}
};
C++03: No
Unfortunately, there's no way to do this in C++03, but there are two ways of simulating this:
You can combine two (or more...
What is the advantage of using abstract classes instead of traits?
What is the advantage of using an abstract class instead of a trait (apart from performance)? It seems like abstract classes can be replaced by traits in most cases.
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Prevent Android activity dialog from closing on outside touch
...
To prevent dialog box from getting dismissed on back key pressed use this
dialog.setCancelable(false);
And to prevent dialog box from getting dismissed on outside touch use this
dialog.setCanceledOnTouchOutside(false);
...
Progress indicator during pandas operations
...or DataFrameGroupBy.progress_apply:
import pandas as pd
import numpy as np
from tqdm import tqdm
# from tqdm.auto import tqdm # for notebooks
df = pd.DataFrame(np.random.randint(0, int(1e8), (10000, 1000)))
# Create and register a new `tqdm` instance with `pandas`
# (can use tqdm_gui, optional kw...
What happens if a finally block throws an exception?
...- that's weird to say the least. Read on MSDN: AVOID throwing an exception from within Dispose(bool) except under ...
– Henk Holterman
Aug 14 '14 at 11:45
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Arrays vs Vectors: Introductory Similarities and Differences [closed]
...
arrays:
are a builtin language construct;
come almost unmodified from C89;
provide just a contiguous, indexable sequence of elements; no bells and whistles;
are of fixed size; you can't resize an array in C++ (unless it's an array of POD and it's allocated with malloc);
their size must be ...