大约有 14,000 项符合查询结果(耗时:0.0238秒) [XML]
Get Unix Epoch Time in Swift
...-bit numbers won't be usable for the Unix timestamp and they'll have to be 64-bit.
let seconds = Date().timeIntervalSince1970
let milliseconds = Date().timeIntervalSince1970 * 1_000
let microseconds = Date().timeIntervalSince1970 * 1_000_000
An extension:
extension Date {
var unixTimestamp: ...
How to style a checkbox using CSS
...e="checkbox"]:checked:after {
background-image: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAcAAAAHCAQAAABuW59YAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAIGNIUk0AAHolAACAgwAA+f8AAIDpAAB1MAAA6mAAADqYAAAXb5JfxUYAAAB2SURBVHjaAGkAlv8A3QDyAP0A/QD+Dam3W+kCAAD8APYAAgTVZaZCGwwA5wr0AvcA+Dh+7UX/x24AqK3Wg/8nt6...
How to get the first column of a pandas DataFrame as a Series?
... [7]: df.iloc[:,0]
Out[7]:
0 1
1 2
2 3
3 4
Name: x, dtype: int64
share
|
improve this answer
|
follow
|
...
Xcode 'Build and Archive' menu item disabled
...
bealexbealex
9,86411 gold badge1818 silver badges2626 bronze badges
...
R.exe, Rcmd.exe, Rscript.exe and Rterm.exe: what's the difference?
...d with /LARGEADDRESSAWARE and can allocate 4 GB RAM when run under Windows 64 bit, unlike R.exe (we're talking about 32 bit R running under 64 bit Windows). Why would the R people do this only for Rterm.exe and not for R.exe, if Rterm.exe is obsolete?
– Meh
Oct...
How to overwrite existing files in batch?
...
You can use :
copy /b/v/y
See SS64 on COPY.
share
|
improve this answer
|
follow
|
...
How to convert integer to string in C? [duplicate]
...bits for int. When using numbers with greater bitsize, e.g. long with most 64-bit compilers, you need to increase the array size—at least 21 characters for 64-bit types.
share
|
improve this answe...
A hex viewer / editor plugin for Notepad++? [closed]
...d++ v6.5 UNICODE (Build time: 28 Sep 2013 - 22:29:19). I'm using Windows 7 64-bit.
– Freek de Bruijn
Jan 18 '14 at 14:06
...
error: ‘uint16_t’ does not name a type - C/C++ - 清泛网 - 专注C/C++及内核技术
...typedef int int32_t;
typedef unsigned uint32_t;
typedef long long int64_t;
typedef unsigned long long uint64_t;
uint16_t
error: ‘uint16_t’ does not name a type - c++1y / stl - 清泛IT社区,为创新赋能!
..._t;
typedef unsigned uint32_t;
typedef long long int64_t;
typedef unsigned long long uint64_t;复制代码
