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Merge multiple lines (two blocks) in Vim
... we read them. We could instead replace the deleted lines in reverse order by using remove(l,-1).
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Why does writeObject throw java.io.NotSerializableException and how do I fix it?
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Make the class serializable by implementing the interface java.io.Serializable.
java.io.Serializable - Marker Interface which does not have any methods in it.
Purpose of Marker Interface - to tell the ObjectOutputStream that this object is a serializa...
What is PEP8's E128: continuation line under-indented for visual indent?
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This goes also for statements like this (auto-formatted by PyCharm):
return combine_sample_generators(sample_generators['train']), \
combine_sample_generators(sample_generators['dev']), \
combine_sample_generators(sample_generators['test'])
Which will ...
Python: Best way to add to sys.path relative to the current running script
... I would do sys.path.insert(0, ..) so that it doesn't get overridden by other paths.
– John Jiang
Feb 8 '19 at 19:04
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Difference between volatile and synchronized in Java
...ther thread from obtaining the monitor (or lock) for the same object, thereby preventing all code blocks protected by synchronization on the same object from executing concurrently. Synchronization also creates a "happens-before" memory barrier, causing a memory visibility constraint such that anyt...
How to determine function name from inside a function
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I still don't get it. Why add the [0] if it's implied by accessing the undecorated variable?
– Tom Hale
Aug 9 '16 at 12:44
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jQuery Ajax File Upload
...is not possible through AJAX.
You can upload file, without refreshing page by using IFrame.
You can check further details here.
UPDATE
With XHR2, File upload through AJAX is supported. E.g. through FormData object, but unfortunately it is not supported by all/old browsers.
FormData support star...
How to avoid merge-commit hell on GitHub/BitBucket
...rge commits, you need to ensure all commits are fast-forwards. You do this by making sure your feature branch rebases cleanly onto your line of development before a merge like so:
git checkout master
git checkout -b feature/foo
# make some commits
git rebase master
git checkout master
git merge -...
How to check a checkbox in capybara?
...kboxes. As @buruzaemon already mentioned:
to find and check a checkbox by name, id, or label text.
So lets assume you got a checkbox in your html like:
<label>
<input type="checkbox" value="myvalue" name="myname" id="myid">
MyLabel
</label>
You could check this wit...
How to convert milliseconds to “hh:mm:ss” format?
...put:
01:00:00
I realised that my code above can be greatly simplified by using a modulus division instead of subtraction:
String hms = String.format("%02d:%02d:%02d", TimeUnit.MILLISECONDS.toHours(millis),
TimeUnit.MILLISECONDS.toMinutes(millis) % TimeUnit.HOURS.toMinutes(1),
TimeUnit....