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Distinct not working with LINQ to Objects
...custom objects.
All it does is look at your list and see that it has two different objects (it doesn't care that they have the same values for the member fields).
One workaround is to implement the IEquatable interface as shown here.
If you modify your Author class like so it should work.
public...
How to check that an object is empty in PHP?
How to find if an object is empty or not in PHP.
11 Answers
11
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Create a .csv file with values from a Python list
... Writerows seems to break up each element in the list into columns if each element is a list as well. This is pretty handy for outputting tables.
– whatnick
Oct 7 '14 at 5:22
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if else in a list comprehension [duplicate]
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>>> l = [22, 13, 45, 50, 98, 69, 43, 44, 1]
>>> [x+1 if x >= 45 else x+5 for x in l]
[27, 18, 46, 51, 99, 70, 48, 49, 6]
Do-something if <condition>, else do-something else.
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TextView.setTextSize behaves abnormally - How to set text size of textview dynamically for different
...etTextSize() is working abnormally. Right after the call to setTextSize if we get a getTextSize its returning a much higher value that what we set it to earlier.
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Block Declaration Syntax List
... I presume) is notoriously incongruous. Passing blocks as arguments looks different than declaring blocks as ivars, which looks different than typedef ing blocks.
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Java Serializable Object to Byte Array
...tStream(bis);
Object o = in.readObject();
...
} finally {
try {
if (in != null) {
in.close();
}
} catch (IOException ex) {
// ignore close exception
}
}
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Is there a Python Library that contains a list of all the ascii characters?
... string
>>> string.ascii_uppercase
'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
If you want all printable characters:
>>> string.printable
'0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!"#$%&\'()*+,-./:;?@[\\]^_`{|}~ \t\n\r\x0b\x0c'
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How to find out if an item is present in a std::vector?
...ind(vec.begin(), vec.end(), item) != vec.end()
This returns a bool (true if present, false otherwise). With your example:
#include <algorithm>
#include <vector>
if ( std::find(vec.begin(), vec.end(), item) != vec.end() )
do_this();
else
do_that();
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How to find unused images in an Xcode project?
...'`
find . -iname '*.png' | while read png
do
name=`basename $png`
if ! grep -qhs "$name" "$PROJ"; then
echo "$png is not referenced"
fi
done
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