大约有 11,643 项符合查询结果（耗时：0.0274秒） [XML]
Emulate ggplot2 default color palette
...ically, @DidzisElferts shows how you can get all the colours, coordinates, etc that ggplot uses to build a plot you created. Very nice!
p <- ggplot(mpg,aes(x=class,fill=class)) + geom_bar()
ggplot_build(p)$data
[[1]]
fill y count x ndensity ncount density PANEL group ymin ymax xmin xmax
1...
Why does C++ compilation take so long?
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You could tell from the same argumentation that C, Pascal etc. compilers are slow, which is not true on average. It has more to do with C++'s grammar and the huge state that a C++ compiler has to maintain.
– Sebastian Mach
Jun 10 '11 at 8:40
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Why can't C compilers rearrange struct members to eliminate alignment padding? [duplicate]
...constant folding, transformation of a switch statement into binary search, etc. Thus the benefits to be gained by allowing the compiler to optimize data structures appear to be less tangible than traditional compiler optimizations.
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How to check if DST (Daylight Saving Time) is in effect, and if so, the offset?
...eck between January and July (or February and August, March and September, etc.) because they are 6 month apart.
– kpull1
Apr 4 '19 at 6:39
add a comment
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Class type check in TypeScript
...checking so you can do Std.is(pet, Fish), which works on types, interfaces etc.
– Mark Knol
Nov 21 '16 at 14:58
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Are PHP short tags acceptable to use?
... to discuss the "big questions" like why we're here, how did it all begin, etc. Shorttag support is not guaranteed on shared servers and it's being removed completely next major version. That's all you need to know.
– Oli
Dec 1 '09 at 11:49
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How to serialize SqlAlchemy result to JSON?
...ich uses your toDict method and a custom encoder for handling dates, blobs etc
– FredL
Apr 15 '13 at 10:17
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Reference: mod_rewrite, URL rewriting and “pretty links” explained
...e, returning specific HTTP status codes as responses, redirecting requests etc. It's very powerful and can be used to great good if you understand the fundamental HTTP request-response mechanism. It does not automatically make your links pretty.
See the official documentation for all the possible f...
How to Deep clone in javascript
... copies objects, and does not require a 3rd party library (jQuery, LoDash, etc).
function copy(aObject) {
if (!aObject) {
return aObject;
}
let v;
let bObject = Array.isArray(aObject) ? [] : {};
for (const k in aObject) {
v = aObject[k];
bObject[k] = (typeof v === "object") ...
How to view the list of compile errors in IntelliJ?
...nfortunately, this only shows compilation errors, it doesn't show warnings etc like Eclipse does. Also, the window cant be moved, so when you view problems (aka compilation errors), you cant view your project.
– John Little
Mar 18 '19 at 9:47
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