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What is std::move(), and when should it be used?
...l cannabilised object is usually deliberately sabotaged to avoid confusing errors (e.g. set its pointers to nullptr to signal that it no longer owns the pointees), the fact that the whole move is implemented by simply copying a pointer from the source to the destination (and deliberately avoiding do...
What is the difference in maven between dependency and plugin tags in pom xml?
... a specific phase to make their usage simpler.
That is neater and less error prone :
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.7.0</version>
</plugin>
than :
<plugin>
<artifactId>maven-compiler-plugin</artifa...
What are Maven goals and phases and what is their difference?
...
Looks like an illustration error, thanks for noticing (founded it in the web).
– Johnny
Oct 11 '15 at 11:22
3
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How do I undo 'git add' before commit?
...ng your first commit:
"git reset" (without options or parameters) used to error out when
you do not have any commits in your history, but it now gives you
an empty index (to match non-existent commit you are not even on).
Documentation: git reset
...
How to prevent custom views from losing state across screen orientation changes
...ically.
What I came up with was remarkably like Kobor42's answer, but the error remained because I was adding the Views to a custom ViewGroup programmatically and not assigning unique ids.
The link shared by mato will work, but it means none of the individual Views manage their own state - the ent...
What is the most efficient way to deep clone an object in JavaScript?
... allowing it to support cyclical and recursive structures that would cause errors for JSON.
Support in Node.js: Experimental ????
The v8 module in Node.js currently (as of Node 11) exposes the structured serialization API directly, but this functionality is still marked as "experimental", and subj...
Android DialogFragment vs Dialog
...e life cycle of the dialog will be handled for you. You will never get the error 'dialog has leaked...' again. Go to DialogFragment and forget Dialogs.
– Snicolas
Mar 13 '13 at 10:06
...
How to make git mark a deleted and a new file as a file move?
...
$ mv README.md Rmd # Still? Try the answer I found.
$ git checkout README
error: pathspec 'README' did not match any file(s) known to git.
$ git checkout HEAD README # Ok the answer needed fixing.
$ git status
On branch workit
Changes to be committed:
(use "git reset HEAD <file>..." to unst...
What is external linkage and internal linkage?
...
@Rajenda you will get an unresolved symbol error (sorry for the nine month delay in answering I missed this comment).
– Motti
Nov 16 '10 at 14:28
4
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what's the difference between “hadoop fs” shell commands and “hdfs dfs” shell commands?
...onding Unix commands. Differences are described with each of the commands. Error information is
sent to stderr and the output is sent to stdout.
If HDFS is being used,
hdfs dfs
is a synonym.
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