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Return from lambda forEach() in java
... rather than from the containing method. Instead of forEach you need to filter the stream:
players.stream().filter(player -> player.getName().contains(name))
.findFirst().orElse(null);
Here filter restricts the stream to those items that match the predicate, and findFirst then returns ...
How to remove selected commit log entries from a Git repository while keeping their changes?
...
# detach head and move to D commit
git checkout <SHA1-for-D>
# move HEAD to A, but leave the index and working tree as for D
git reset --soft <SHA1-for-A>
# Redo the D commit re-using the commit message, but now on top of A
git commit -C <SHA1-for-D>
# ...
Troubleshooting BadImageFormatException
... | Build I had "Prefer 32-bit" checked. (Don't know why that's set by default). Once I unchecked that, everything ran fine
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What does iterator->second mean?
In C++, what is the type of a std::map<>::iterator ?
2 Answers
2
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Why can't (or doesn't) the compiler optimize a predictable addition loop into a multiplication?
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The compiler can't generally transform
for (int c = 0; c < arraySize; ++c)
if (data[c] >= 128)
for (int i = 0; i < 100000; ++i)
sum += data[c];
into
for (int c = 0; c < arraySize; ++c)
if (data[c] >= 128)
sum += 100000 * data[c];...
How do I toggle an element's class in pure JavaScript?
...: var All = document.querySelectorAll('.menu'); for (var i = 0; i < All.length; i++){ All[i].classList.toggle('hidden-phone'); }
– Blue Tram
Feb 1 '19 at 3:52
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Modify tick label text
...mally, you'd do something along these lines:
import matplotlib.pyplot as plt
fig, ax = plt.subplots()
# We need to draw the canvas, otherwise the labels won't be positioned and
# won't have values yet.
fig.canvas.draw()
labels = [item.get_text() for item in ax.get_xticklabels()]
labels[1] = 'Te...
How to compare two dates?
...
Use the datetime method and the operator < and its kin.
>>> from datetime import datetime, timedelta
>>> past = datetime.now() - timedelta(days=1)
>>> present = datetime.now()
>>> past < present
True
>>> datetime(30...
store and retrieve a class object in shared preference
...;
Base64OutputStream b64 = new Base64OutputStream(out, Base64.DEFAULT);
b64.write(data);
b64.close();
out.close();
ed.putString(key, new String(out.toByteArray()));
ed.commit();
} catch (IOException e) {
e.printStackTrace();
}
when ...
What is cURL in PHP?
...n servers. You could be pulling back malware to relieve fools of their wealth.
Examples:
These were done on Ubuntu 12.10
Basic curl from the commandline:
el@apollo:/home/el$ curl http://i.imgur.com/4rBHtSm.gif > mycat.gif
% Total % Received % Xferd Average Speed Time Time T...