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Can I call memcpy() and memmove() with “number of bytes” set to zero?
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As said by @You, the standard specifies that the memcpy and memmove should handle this case without problem; since they are usually implemented somehow like
void *memcpy(void *_dst, const void *_src, size_t len)
{
unsigned char ...
How to iterate over the keys and values in an object in CoffeeScript?
...You may also want to consider the variant for own k,v of ages as mentioned by Aaron Dufour in the comments. This adds a check to exclude properties inherited from the prototype, which is probably not an issue in this example but may be if you are building on top of other stuff.
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Good open source django project for learning [closed]
... and Fein-CMS are both good CMS projects to dive into, and the screencasts by Eric are terrific - I absolutely suggest any noob to Django watch all 13 of those screencasts.
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Difference Between Cohesion and Coupling
...ting Staff related data. They don't perform actions that should be managed by another class.
– Antonio Pantano
Oct 14 '16 at 22:09
3
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Fade Effect on Link Hover?
...a vendor prefix is there, doesn't mean it will
work in a browser made by that vendor either, it's just for
future-proofing purposes I guess. */
-o-transition:.5s;
-ms-transition:.5s;
-moz-transition:.5s;
-webkit-transition:.5s;
/* ...and now for the proper property */
transitio...
How to pass macro definition from “make” command line arguments (-D) to C source code?
... also state that $(CFLAGS) should come last, so that any options specified by a user will override anything the Makefile sets internally. That would mean using e.g. local_CFLAGS = -Wall $(CFLAGS). Conversely, if there's something you really want to take precedence, put it after $(CFLAGS), as in @Mad...
What's the difference between JPA and Hibernate? [closed]
...while Hibernate's JPA implementation is code that meets the API as defined by the JPA specification and provides the under the hood functionality.
When you use Hibernate with JPA you are actually using the Hibernate JPA implementation. The benefit of this is that you can swap out Hibernate's imple...
What does it mean in shell when we put a command inside dollar sign and parentheses: $(command)
...uld return you the name of the script file.
dirname is a utility provided by GNU coreutils that remove the last component from the filename. Thus if you execute your script by saying bash foo, "$( dirname "${BASH_SOURCE[0]}" )" would return .. If you said bash ../foo, it'd return ..; for bash /some...
When to use DataContract and DataMember attributes?
...ic properties on your class, just like the XML serializer would.
HOWEVER: by not adding those attributes, you lose a lot of useful capabilities:
without [DataContract], you cannot define an XML namespace for your data to live in
without [DataMember], you cannot serialize non-public properties or ...
Paste in insert mode?
...normal behavior.
It's also possible to toggle the mode with a single key, by adding something like set pastetoggle=<F2> to your .vimrc. More details on toggling auto-indent are here.
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