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What does T&& (double ampersand) mean in C++11?
...that std::unique_ptr can be legally stored in Standard containers, sorted, etc, whereas C++03's std::auto_ptr cannot.
Now we consider the other use of rvalue references- perfect forwarding. Consider the question of binding a reference to a reference.
std::string s;
std::string& ref = s;
(std::...
Cross-browser testing: All major browsers on ONE machine
...patibility check run and update where necessary.
Clear the cache, history, etc. using Ctrl Shift Del.
Repeat this step for each Firefox version.
6. Opera
Opera: A list of all installers is available on Opera.com. Multiple versions can be installed side-by-side without any problems. During ...
Why does the C preprocessor interpret the word “linux” as the constant “1”?
...y file? It could also be > emptyfile.c or : > emptyfile.c or dd if=/etc/passwd of=emptyfile.c count=0 or …
– Jonathan Leffler
Oct 10 '13 at 14:07
...
What does do?
...patible it tells IE how to behave in regards to the value you set (IE=edge etc) if it is not there IE will show the site how it thinks best it should be shown. That could be compatibility mode or that could be the latest version of IE. Whatever Microsoft/IE thinks is best. Make sense?
...
Verifying signed git commits?
...ate a signature made by an expired key, a signature made by a revoked key, etc.
New output letters have been assigned to express them.
According to gpg2's doc/DETAILS:
For each signature only one of the codes GOODSIG, BADSIG, EXPSIG, EXPKEYSIG, REVKEYSIG or ERRSIG will be emitted.
...
Alternatives to gprof [closed]
...Beside time metric, you can also query specific counters, i.e. cache hits, etc.
Unlike gprof, you can profile any process/binary running on your system using either of the two.
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Getting the closest string match
...finding words from one phrase in the other phrase, length of both phrases, etc) along with the implementation of the Levenshtein distance algorithm. Because deciding which is the "best" match is a heuristic (fuzzy) determination - you'll have to come up with a set of weights for any metrics you come...
What does .SD stand for in data.table in R
... particularly helpful for chaining together "queries" (extractions/subsets/etc using [). In particular, this also means that .SD is itself a data.table (with the caveat that it does not allow assignment with :=).
The simpler usage of .SD is for column subsetting (i.e., when .SDcols is specified); I...
Understanding __get__ and __set__ and Python descriptors
...erty type is implemented. A descriptor simply implements __get__, __set__, etc. and is then added to another class in its definition (as you did above with the Temperature class). For example:
temp=Temperature()
temp.celsius #calls celsius.__get__
Accessing the property you assigned the descripto...
Can someone explain the right way to use SBT?
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