大约有 650 项符合查询结果（耗时：0.0250秒） [XML]
Why must a lambda expression be cast when supplied as a plain Delegate parameter
...ssion;
var e1 = l(x => x.ToString());
var e2 = l(x => "Hello!");
var e3 = l(x => x + x);
That's even less typing, but you lose certain type safety, and imo, this is not worth it.
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How do you take a git diff file, and apply it to a local branch that is a copy of the same repositor
...he changes.
It also works with Unix pipe as follows:
git diff d892531 815a3b5 | git apply
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Get file size, image width and height before upload
...ng the Blob object
<img src="blob:null/026cceb9-edr4-4281-babb-b56cbf759a3d">
const EL_browse = document.getElementById('browse');
const EL_preview = document.getElementById('preview');
const readImage = file => {
if ( !(/^image\/(png|jpe?g|gif)$/).test(file.type) )
retur...
Why is rbindlist “better” than rbind?
...:cols, function(x) sample(10))))
setnames(data, sample(names))
}
n = 10e3L
ll = vector("list", n)
for (i in 1:n) {
.Call("Csetlistelt", ll, i, foo())
}
system.time(ans1 <- rbindlist(ll))
# user system elapsed
# 1.226 0.070 1.296
system.time(ans2 <- rbindlist(ll, use.names=TRU...
Anatomy of a “Memory Leak”
...soft.com/downloads/details.aspx?FamilyID=28bd5941-c458-46f1-b24d-f60151d875a3&displaylang=en
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How do ports work with IPv6?
...be sure you include [] around your IP.
For example : http://[1fff:0:a88:85a3::ac1f]:8001/index.html
Wikipedia has a pretty good article about IPv6: http://en.wikipedia.org/wiki/IPv6#Addressing
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Window vs Page vs UserControl for WPF navigation?
...s about the same:
UserControl:
http://msdn.microsoft.com/en-IN/library/a6h7e207(v=vs.71).aspx
The difference between page and window with respect to WPF:
Page vs Window in WPF?
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What is the maximum depth of the java call stack?
... if we don't mention the Xss, then?
– a3.14_Infinity
Jul 4 '16 at 7:52
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Build an iOS app without owning a mac? [closed]
...nage.exe modifyvm "Your VM Name" --cpuidset 00000001 000106e5 00100800 0098e3fd bfebfbff
VBoxManage setextradata "Your VM Name" "VBoxInternal/Devices/efi/0/Config/DmiSystemProduct" "iMac11,3"
VBoxManage setextradata "Your VM Name" "VBoxInternal/Devices/efi/0/Config/DmiSystemVersion" "1.0"
VBoxManage...
Decreasing height of bootstrap 3.0 navbar
...ary .navbar .nav > li > a:hover {color: #fff; background-color: #8e49a3;}
.navbar-primary .navbar .nav .active > a,.navbar .nav .active > a:hover {color: #fff; background-color: #501762;}
.navbar-primary .navbar .nav li > a .caret, .tnav .navbar .nav li > a:hover .caret {border-top...