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What does “dereferencing” a pointer mean?
...er for an allocated object...
{
std::unique_ptr<T> p{new T(42, "meaning")};
call_a_function(p);
// The function above might throw, so delete here is unreliable, but...
} // p's destructor's guaranteed to run "here", calling delete
...and shared_ptr for share ownership (using ref...
About .bash_profile, .bashrc, and where should alias be written in? [duplicate]
...
Very nice explanation. Just wonder what it means exactly "bash loads your .bashrc when it starts". Do you mean when the machine starts or when the terminal start?
– Andrea Moro
Nov 3 '14 at 10:40
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What do these words mean in Git: Repository, fork, branch, clone, track?
...ttps%3a%2f%2fstackoverflow.com%2fquestions%2f2916849%2fwhat-do-these-words-mean-in-git-repository-fork-branch-clone-track%23new-answer', 'question_page');
}
);
Post as a guest
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How to do SQL Like % in Linq?
... Will using StartsWith() or EndsWith() will fire a query ? I mean, will the code be translated into a Query or the results will be filtered in the object after retrieval from the DB ?
– Novice
Sep 18 '12 at 6:25
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Is there an “exists” function for jQuery?
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In JavaScript, everything is 'truthy' or 'falsy', and for numbers 0 means false, everything else true. So you could write:
if ($(selector).length)
You don't need that >0 part.
share
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imp...
Convert SVG image to PNG with PHP
...pending on the browser.
Another one which may help: SVGWeb.
All of which means that you can support your IE users without having to resort to bitmap graphics.
See also the top answer to this question, for example: XSL Transform SVG to VML
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How to convert an object to a byte array in C#
...uding Protocol Buffers which is near and dear to me. It's pretty "lean and mean" in terms of both space and time.
You'll find that almost all serialization frameworks have significant restrictions on what you can serialize, however - Protocol Buffers more than some, due to being cross-platform.
If...
Testing two JSON objects for equality ignoring child order in Java
...s(expected, data, JSONCompareMode.NON_EXTENSIBLE); The NON_EXTENSIBLE mode means that any new or missing fields cause failures, but the order doesn't. Using false would instigate lenient mode which wouldn't report any extra or missing child elements.
– Dan Temple
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String comparison in Python: is vs. == [duplicate]
... statement
if x is y then x==y is also True
should never be read to mean
if x==y then x is y
It is a logical error on the part of the reader to assume that the converse of a logic statement is true. See http://en.wikipedia.org/wiki/Converse_(logic)
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ListView inside ScrollView is not scrolling on Android
... to engulf them all (more like a LinearLayout rather than a ListView. This means that if you have a large number of list items (or complex list items) then the android devices will take a lot of time to open the activity (or even crash while trying in my case).
– reubenjohn
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