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Scala list concatenation, ::: vs ++
...n iterators. List, however, got to keep its original operators, aside from one or two which got deprecated.
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Rename multiple files based on pattern in Unix
...re are several ways, but using rename will probably be the easiest.
Using one version of rename:
rename 's/^fgh/jkl/' fgh*
Using another version of rename (same as Judy2K's answer):
rename fgh jkl fgh*
You should check your platform's man page to see which of the above applies.
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Understanding Spliterator, Collector and Stream in Java 8
...lit off part of the collection, e.g. because you're parallelizing and want one thread to work on one part of the collection, one thread to work on another part, etc.
You should essentially never be saving values of type Stream to a variable, either. Stream is sort of like an Iterator, in that it's...
How to allocate aligned memory only using the standard library?
I just finished a test as part of a job interview, and one question stumped me, even using Google for reference. I'd like to see what the StackOverflow crew can do with it:
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Validation failed for one or more entities. See 'EntityValidationErrors' property for more details [
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To be honest I don't know how to check the content of the validation errors. Visual Studio shows me that it's an array with 8 objects, so 8 validation errors.
Actually you should see the errors if you drill into that array in Visu...
How to use null in switch
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cleaner way than using one extra if else
– Vivek Agrawal
Nov 15 '19 at 10:28
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Inheriting constructors
...tors, if you write this, you inherit all of them. To inherit only selected ones you need to write the individual constructors manually and call the base constructor as needed from them.
Historically constructors could not be inherited in the C++03 standard. You needed to inherit them manually one b...
How can I get selector from jQuery object
...on">Button test</button>
</div>
<ul>
<li>Item one
<ul>
<li id="sub2" >Sub one</li>
<li id="sub2" class="subitem otherclass">Sub two</li>
</ul>
</li>
</ul>
</body>
</html>
For example, if ...
What do “branch”, “tag” and “trunk” mean in Subversion repositories?
...tags, once created, are immutable (at least to "ordinary" users). This is done via the hook scripts, which enforce the immutability by preventing further changes if tag is a parent node of the changed object.
Subversion also has added features, since version 1.5, relating to "branch merge tracking"...
How to “properly” print a list?
...element of mylist, creating a new list of strings that is then joined into one string with str.join(). Then, the % string formatting operator substitutes the string in instead of %s in "[%s]".
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