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extra qualification error in C++
...seValue(TDR type, const json_string& valueString);
};
The error come from the fact that JSONDeserializer::ParseValue is a qualified name (a name with a namespace qualification), and such a name is forbidden as a method name in a class.
...
Do you need break in switch when return is used?
...eference: http://php.net/manual/en/function.return.php says:
If called from within a function, the return() statement immediately ends execution of the current function
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Access-control-allow-origin with multiple domains
... AllowAnyMethod = allowAnyMethod,
};
// Add origins from app setting value
this.corsPolicy.Origins.AddCommaSeperatedValues(this.rawOrigins);
this.corsPolicy.Headers.AddCommaSeperatedValues(this.Headers);
this.corsPolicy.Methods.AddCommaSeperatedValues(t...
fork() branches more than expected?
...However, what printf() really does is buffer its output. So the first dot from when there were only two processes does not appear when written. Those dots remain in the buffer—which is duplicated at fork(). It is not until the process is about to exit that the buffered dot appears. Four proces...
How to git reset --hard a subdirectory?
...for a path, replacing both the index and the working tree with the version from the HEAD commit.
As answered by Ajedi32, both checkout forms don't remove files which were deleted in the target revision.
If you have extra files in the working tree which don't exist in HEAD, a git checkout HEAD -- &...
When should I use jQuery deferred's “then” method and when should I use the “pipe” method?
...});
In both cases you have to iterate over the list and extract the value from each object.
Wouldn't it be better to somehow extract the values beforehand so that you don't have to do this in both callbacks individually? Yes! And that's what we can use .pipe() for:
deferred.pipe(function(result) {
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Where can I get a list of Ansible pre-defined variables?
...
Argh! From the FAQ:
How do I see a list of all of the ansible_ variables?
Ansible by default gathers “facts” about the machines under management, and these facts can be accessed in Playbooks and in templates. To see a list of ...
“is” operator behaves unexpectedly with integers
... that’s mysterious, but I guess it’s for (dis)assembling integers into/from bytes.
– Davis Herring
Jan 27 '18 at 1:56
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Updating packages in Emacs
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package-refresh-contents unconditionally tries to download a package list from all repos you've added to package-archives; package-archive-contents is non nil if you have already downloaded the package list.
ELPA is the original. I don't think it's really maintained anymore, but I'm not sure. I d...
What's the safest way to iterate through the keys of a Perl hash?
...a
problem. However, you will run into hard to track down problems (I speak from
experience ;), when using each together with statements like
last or return to exit from the while ... each loop before you
have processed all keys.
In this case, the hash will remember which keys it has already returne...