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Why don't C++ compilers define operator== and operator!=?
I am a big fan of letting the compiler do as much work for you as possible. When writing a simple class the compiler can give you the following for 'free':
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symbolic link: find all files that link to this file
...her hand, if you are just trying to find links to any file that happens to be named foo.txt, then something like
find / -lname foo.txt
or
find . -lname \*foo.txt # ignore leading pathname components
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Is there a concise way to iterate over a stream with indices in Java 8?
...ength)
.filter(i -> names[i].length() <= i)
.mapToObj(i -> names[i])
.collect(Collectors.toList());
The resulting list contains "Erik" only.
One alternative which looks more familiar when you are used to for loops would be to maintain an ad hoc counter using ...
Count cells that contain any text
...ls that contain anything within a range.
Any cell that contain text, or numbers or something else should do a plus one in my result-cell.
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What is the purpose of Flask's context stacks?
I've been using the request/application context for some time without fully understanding how it works or why it was designed the way it was. What is the purpose of the "stack" when it comes to the request or application context? Are these two separate stacks, or are they both part of one stack? Is ...
xkcd style graphs in MATLAB
...e plot features. This has the advantage that you can easily modify a plot, but you have to draw the axes yourself if you want to have them xkcdyfied (see @Rody Oldenhuis' solution). The second way is to create a non-jittery plot, and use imtransform to apply a random distortion to the image. This ha...
How to remove elements from a generic list while iterating over it?
I am looking for a better pattern for working with a list of elements which each need processed and then depending on the outcome are removed from the list.
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String.equals versus == [duplicate]
...to tokens and stores them in an array of strings, and then compares a variable with the first home ... why isn't it working?
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What is the pythonic way to detect the last element in a 'for' loop?
I'd like to know the best way (more compact and "pythonic" way) to do a special treatment for the last element in a for loop. There is a piece of code that should be called only between elements, being suppressed in the last one.
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What are valid values for the id attribute in HTML?
When creating the id attributes for HTML elements, what rules are there for the value?
23 Answers
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