大约有 40,000 项符合查询结果(耗时:0.0499秒) [XML]
Getting the max value of an enum
...ng = 2
}
// this gets Fizz
var lastFoo = Enum.GetValues(typeof(Foo)).Cast<Foo>().Last();
Edit
For those not willing to read through the comments: You can also do it this way:
var lastFoo = Enum.GetValues(typeof(Foo)).Cast<Foo>().Max();
... which will work when some of your enum va...
Fastest method to escape HTML tags as HTML entities?
...ng job: sanitizing strings that might contain HTML tags, by converting < , > and & to &lt; , &gt; and &amp; , respectively.
...
Getting the PublicKeyToken of .Net assemblies
...it Windows :
"%ProgramFiles%\Microsoft SDKs\Windows\v6.0A\bin\sn.exe" -T <assemblyname>
VS 2008 on 64bit Windows :
"%ProgramFiles(x86)%\Microsoft SDKs\Windows\v6.0A\bin\sn.exe" -T <assemblyname>
VS 2010 on 32bit Windows :
"%ProgramFiles%\Microsoft SDKs\Windows\v7.0A\bin\sn.exe" -...
What are the basic rules and idioms for operator overloading?
...his;
}
Bitshift Operators (used for Stream I/O)
The bitshift operators << and >>, although still used in hardware interfacing for the bit-manipulation functions they inherit from C, have become more prevalent as overloaded stream input and output operators in most applications. For g...
Using jQuery to replace one tag with another
... to .replaceWith [docs]:
$('code').replaceWith(function(){
return $("<pre />", {html: $(this).html()});
});
Inside the function, this refers to the currently processed code element.
DEMO
Update: There is no big performance difference, but in case the code elements have other HTML chil...
Standardize data columns in R
... can simply call the scale function on the data to do what you want.
dat <- data.frame(x = rnorm(10, 30, .2), y = runif(10, 3, 5))
scaled.dat <- scale(dat)
# check that we get mean of 0 and sd of 1
colMeans(scaled.dat) # faster version of apply(scaled.dat, 2, mean)
apply(scaled.dat, 2, sd)
...
Capture characters from standard input without waiting for enter to be pressed
...ot a frequent Windows developer, but I've seen my classmates just include <conio.h> and use it. See conio.h at Wikipedia. It lists getch(), which is declared deprecated in Visual C++.
curses available for Linux. Compatible curses implementations are available for Windows too. It has also a ge...
Using a ListAdapter to fill a LinearLayout inside a ScrollView layout
...adapter.
final int adapterCount = adapter.getCount();
for (int i = 0; i < adapterCount; i++) {
View item = adapter.getView(i, null, null);
layout.addView(item);
}
EDIT: I rejected this approach when I needed to display about 200 non-trivial list items, it is very slow - Nexus 4 needed abo...
dplyr summarise: Equivalent of “.drop=FALSE” to keep groups with zero length in output
...rise with plyr 's ddply function, empty categories are dropped by default. You can change this behavior by adding .drop = FALSE . However, this doesn't work when using summarise with dplyr . Is there another way to keep empty categories in the result?
...
