大约有 44,000 项符合查询结果(耗时:0.0576秒) [XML]

https://stackoverflow.com/ques... 

Does the C++ standard mandate poor performance for iostreams, or am I just dealing with a poor imple

...ouldn't assume that blindly). So what does feature? Running GProf on your ostringstream code compiled with GCC gives the following breakdown: 44.23% in std::basic_streambuf<char>::xsputn(char const*, int) 34.62% in std::ostream::write(char const*, int) 12.50% in main 6.73% in std::ostream::s...
https://stackoverflow.com/ques... 

wget/curl large file from google drive

... https://drive.google.com/open?id=0B7_OwkDsUIgFWXA1B2FPQfV5S8H. Obtain the string behind the ?id= and copy it to your clipboard. That's the file's ID. Download the file. Of course, use your file's ID instead in the following command. gdrive download 0B7_OwkDsUIgFWXA1B2FPQfV5S8H At first usage, t...
https://stackoverflow.com/ques... 

What do (lambda) function closures capture?

...lent way is the one recommended by Adrien Plisson. Create a lambda with an extra argument, and set the extra argument's default value to the object you want preserved. A little more verbose but less hacky would be to create a new scope each time you create the lambda: >>> adders = [0,1,2,3...
https://stackoverflow.com/ques... 

CSS: bolding some text without changing its container's size

... and @workaholic_gangster911's ::after drawing trick, which leaves awkward extra space so the bold text can expand without nudging neighboring text items (I put the attribution after the bold text so you can see how it does not move). In the future, we'll have more variable fonts capable of thing...
https://stackoverflow.com/ques... 

Set Viewbag before Redirect

...ata["shortMessage"] content ViewBag.Message = TempData["shortMessage"].ToString(); return View(); } share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

Use the XmlInclude or SoapInclude attribute to specify types that are not known statically

...ode cleaner code. public abstract class XmlBaseClass { public virtual string Serialize() { this.SerializeValidation(); XmlSerializerNamespaces XmlNamespaces = new XmlSerializerNamespaces(new[] { XmlQualifiedName.Empty }); XmlWriterSettings XmlSettings = new XmlWriterSettings ...
https://stackoverflow.com/ques... 

Proper way to handle multiple forms on one page in Django

...t instantiates these, without using either the messages framework or query strings? This answer seems the closest, but here it's still just one view handling both forms: stackoverflow.com/a/21271659/2532070 – YPCrumble Oct 15 '14 at 10:10 ...
https://stackoverflow.com/ques... 

How to assign colors to categorical variables in ggplot2 that have stable mapping?

...ta.frame(x=runif(10),y=runif(10), grp = rep(LETTERS[1:5],each = 2),stringsAsFactors = TRUE) #Create a custom color scale library(RColorBrewer) myColors <- brewer.pal(5,"Set1") names(myColors) <- levels(dat$grp) colScale <- scale_colour_manual(name = "grp",values = myColors) and t...
https://stackoverflow.com/ques... 

SQLAlchemy: Creating vs. Reusing a Session

... of expire_on_commit pretty much optional, as this flag can incur a lot of extra SQL for an operation that calls commit() in the middle of a series of operations. Not sure if this answers your question. The next round is what you mention about threading. If your app is multithreaded, we recomme...
https://stackoverflow.com/ques... 

I don't understand -Wl,-rpath -Wl,

... between option or argument while passing stuff to the linker, it's just a string. So the second -Wl is redundant! Thanks :) – Blub Jul 3 '11 at 10:55 29 ...