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How to check if element exists using a lambda expression?
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Also worth noting: if you want to negate the check use noneMatch instead of anyMatch.
– Blacklight
Aug 9 '18 at 9:02
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How to calculate time difference in java?
...ct two timeperiods say 16:00:00 from 19:00:00. Is there any java function for this? The results can be in milliseconds, seconds, or minutes.
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How to pass parameters to the DbContext.Database.ExecuteSqlCommand method?
Let's just suppose I have a valid need for directly executing a sql command in Entity Framework. I am having trouble figuring out how to use parameters in my sql statement. The following example (not my real example) doesn't work.
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Access multiple elements of list knowing their index
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You can use operator.itemgetter:
from operator import itemgetter
a = [-2, 1, 5, 3, 8, 5, 6]
b = [1, 2, 5]
print(itemgetter(*b)(a))
# Result:
(1, 5, 5)
Or you can use numpy:
import numpy as np
a = np.array([-2, 1, 5, 3, 8, 5, 6])
b = [1, 2...
How do I set vertical space between list items?
...a <ul> element, clearly the vertical spacing between lines can be formatted with the line-height attribute.
9 Answe...
How can I make a time delay in Python? [duplicate]
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import time
time.sleep(5) # Delays for 5 seconds. You can also use a float value.
Here is another example where something is run approximately once a minute:
import time
while True:
print("This prints once a minute.")
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Is there a good charting library for iPhone? [closed]
I have a need to render and display charts (bar charts for now, but more types may be needed later) in an iPhone app I'm working on. I've done some looking around and it doesn't look like there are any really good, mature charting libraries for iPhone yet. I've also looked for something written for ...
How to uninstall editable packages with pip (installed with -e)
...-0.6.34-py2.7.egg) if there is any
from file easy-install.pth, remove the corresponding line (it should be a path to the source directory or of an egg file).
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Easiest way to convert a List to a Set in Java
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While correct this answer lacks sufficient technical context to warrant being the best/accepted answer, because there are pitfalls here depending on which implementations of Set and Map one is using; HashSet is assumed here.
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Flexbox not giving equal width to elements
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There is an important bit that is not mentioned in the article to which you linked and that is flex-basis. By default flex-basis is auto.
From the spec:
If the specified flex-basis is auto, the used flex basis is the value of the fl...