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Is there a null-coalescing (Elvis) operator or safe navigation operator in javascript?
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146
You can use the logical 'OR' operator in place of the Elvis operator:
For example displayname ...
How to sort in-place using the merge sort algorithm?
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142
Knuth left this as an exercise (Vol 3, 5.2.5). There do exist in-place merge sorts. They must b...
How do you split and unsplit a window/view in Eclipse IDE?
...items Window>Editor>Toggle Split Editor were added with Eclipse Luna 4.4 M4, as mentioned by Lars Vogel in "Split editor implemented in Eclipse M4 Luna"
The split editor is one of the oldest and most upvoted Eclipse bug! Bug 8009
The split editor functionality has been developed in Bug 378298,...
UI Terminology: Logon vs Login [closed]
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edited Jan 2 '09 at 4:48
answered Jan 2 '09 at 4:39
A...
Remove all multiple spaces in Javascript and replace with single space [duplicate]
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4 Answers
4
Active
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How to check if a string starts with one of several prefixes?
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Do you mean this:
if (newStr4.startsWith("Mon") || newStr4.startsWith("Tues") || ...)
Or you could use regular expression:
if (newStr4.matches("(Mon|Tues|Wed|Thurs|Fri).*"))
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What's the best visual merge tool for Git? [closed]
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347
Meld is a free, open-source, and cross-platform (UNIX/Linux, OSX, Windows) diff/merge tool.
He...
Sort a list of tuples by 2nd item (integer value) [duplicate]
...the key keyword with sorted().
sorted([('abc', 121),('abc', 231),('abc', 148), ('abc',221)], key=lambda x: x[1])
key should be a function that identifies how to retrieve the comparable element from your data structure. In your case, it is the second element of the tuple, so we access [1].
For o...
What is the difference between JOIN and JOIN FETCH when using JPA and Hibernate
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edited May 23 '17 at 12:34
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answered Apr 30 '14 at 0:37
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Why can a function modify some arguments as perceived by the caller, but not others?
...d `x` from main()
n = 2 # put `n` label on `2` balloon
x.append(4) # call `append` method of whatever object `x` is referring to.
print('In f():', n, x)
x = [] # put `x` label on `[]` ballon
# x = [] has no effect on the original list that is passed into the function
Here ...