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Java 8 Streams: multiple filters vs. complex condition
...rgs) {
int size = 10000000;
List<User> users =
IntStream.range(0,size)
.mapToObj(i -> i % 2 == 0 ? new User(Gender.MALE, i % 100) : new User(Gender.FEMALE, i % 100))
.collect(Collectors.toCollection(()->new ArrayList<>(size)));
repeat("one fi...
Why Choose Struct Over Class?
...h property and a height property, both of type Double.
A way to refer to ranges within a series, perhaps encapsulating a start property and a length property, both of type Int.
A point in a 3D coordinate system, perhaps encapsulating x, y and z properties, each of type Double.
In all oth...
Merge a Branch into Trunk
...
The syntax is wrong, it should instead be
svn merge <what(the range)> <from(your dev branch)> <to(trunk/trunk local copy)>
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Unable to begin a distributed transaction
...
This worked for me. What's strange is it's been fine for weeks, and then suddenly started. Possibly because the remote server's DTC service might be disabled. Anyway, thank you.
– Boyd P
Dec 19 '19 at 18:11
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Replacing blank values (white space) with NaN in pandas
....176781, 'qux', ' '],
], columns='A B C'.split(), index=pd.date_range('2000-01-01','2000-01-06'))
# replace field that's entirely space (or empty) with NaN
print(df.replace(r'^\s*$', np.nan, regex=True))
Produces:
A B C
2000-01-01 -0.532681 foo 0
2000-01-02 ...
Read first N lines of a file in python
...hon 2
with open("datafile") as myfile:
head = [next(myfile) for x in xrange(N)]
print head
Python 3
with open("datafile") as myfile:
head = [next(myfile) for x in range(N)]
print(head)
Here's another way (both Python 2 & 3)
from itertools import islice
with open("datafile") as myf...
Rotate axis text in python matplotlib
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Try pyplot.setp. I think you could do something like this:
x = range(len(time))
plt.xticks(x, time)
locs, labels = plt.xticks()
plt.setp(labels, rotation=90)
plt.plot(x, delay)
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How can I concatenate NSAttributedStrings?
... the input strings already put together. You could then use addAttributes: range: to add the attributes after the fact to the ranges containing the input strings. I recommend the former way though.
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How does Stack Overflow generate its SEO-friendly URLs?
...full (profile) URL), and then ignore any characters outside the acceptable ranges. This works most of the time...
... For when it doesn’t I’ve also had to add a lookup table. As mentioned above, some characters don’t map to a low ASCII value when normalised. Rather than drop these I’ve got a...
What's the difference between ASCII and Unicode?
...s all world wide alphabets. Hence the size of char in java is 2 bytes. And range is 0 to 65535.
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