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Is the pImpl idiom really used in practice?
I am reading the book "Exceptional C++" by Herb Sutter, and in that book I have learned about the pImpl idiom. Basically, the idea is to create a structure for the private objects of a class and dynamically allocate them to decrease the compilation time (and also hide the private implementatio...
How do I create a multiline Python string with inline variables?
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user2357112 supports Monica
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answered Apr 11 '12 at 19:32
Simeon Viss...
How to use a filter in a controller?
...nction body and how it is inserted in HTML file?
– gm2008
Jul 19 '14 at 20:19
34
@gm2008 you can ...
Convert a JSON string to object in Java ME?
...json = (JSONObject)new JSONParser().parse("{\"name\":\"MyNode\", \"width\":200, \"height\":100}");
System.out.println("name=" + json.get("name"));
System.out.println("width=" + json.get("width"));
share
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How to drop rows of Pandas DataFrame whose value in a certain column is NaN
...s dropped. So if there was a null value in row-index 10 in a df of length 200. The dataframe after running the drop function has index values from 1 to 9 and then 11 to 200. Anyway to "re-index" it
– Aakash Gupta
Mar 4 '16 at 6:03
...
JavaScript window resize event
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window.addEventListener('resize', debounce(() => console.log('hello'),
200, false), false);
It will never fire more than once every 200ms.
For mobile orientation changes use:
window.addEventListener('orientationchange', () => console.log('hello'), false);
Here's a small library I put to...
What does 'const static' mean in C and C++?
... from other modules. Is this correct? If so, why would anyone use it in a C++ context where you can just make it private ?
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What C++ Smart Pointer Implementations are available?
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C++03
std::auto_ptr - Perhaps one of the originals it suffered from first draft syndrome only providing limited garbage collection facilities. The first downside being that it calls delete upon destruction making them unacce...
Maximum filename length in NTFS (Windows XP and Windows Vista)?
... msdn.microsoft.com/en-us/library/… and blogs.msdn.com/b/bclteam/archive/2007/02/13/…
– Michael Olesen
Nov 3 '11 at 12:34
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Understanding exactly when a data.table is a reference to (vs a copy of) another data.table
.....snip..
tracemem(newDT)
# [1] "<0x0000000003b7e2a0"
newDT$b[2] <- 200
# tracemem[0000000003B7E2A0 -> 00000000040ED948]:
# tracemem[00000000040ED948 -> 00000000040ED830]: .Call copy $<-.data.table $<-
.Internal(inspect(DT))
# @0000000003B7E2A0 19 VECSXP g0c7 [OBJ,NAM(2),TR,ATT...