大约有 23,000 项符合查询结果（耗时：0.0448秒） [XML]
Make HTML5 video poster be same size as video itself
...or preloading but without requiring a separate transparent image. We use a base64 encoded 1px transparent image instead.
<style type="text/css" >
video{
background: transparent url("poster.jpg") 50% 50% / cover no-repeat ;
}
</style>
<video controls poster="data:image...
How to install the current version of Go in Ubuntu Precise
...n
which outputs in my case (Ubuntu precise)
go version go1.1.1 linux/amd64
From there just export the settings you're gonna need to bash_rc or equivalent:
export GOROOT=/usr/lib/go
export GOBIN=/usr/bin/go
share
...
Windows can't find the file on subprocess.call()
...g. dir or copy). You do not need shell=True to run a batch file or console-based executable.
share
|
improve this answer
|
follow
|
...
How can one print a size_t variable portably using the printf family?
...Rosenfield
346k9090 gold badges477477 silver badges564564 bronze badges
7
...
Tricks to manage the available memory in an R session
... available memory of an interactive R session? I use the functions below [based on postings by Petr Pikal and David Hinds to the r-help list in 2004] to list (and/or sort) the largest objects and to occassionally rm() some of them. But by far the most effective solution was ... to run under 64-bi...
Creating a zero-filled pandas data frame
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
Draft saved
Draft discarded
...
list.clear() vs list = new ArrayList(); [duplicate]
... @RMT : Answer sounds unarguable.
– theapache64
May 20 '16 at 10:32
Sure, if the list is big or not, a clear h...
Twitter image encoding challenge [closed]
...requires the GMP library for bignum arithmetic for its string encoding.
I based my solution off of fractal image compression, with a few unique twists. The basic idea is to take the image, scale down a copy to 50% and look for pieces in various orientations that look similar to non-overlapping blo...
Objective-C : BOOL vs bool
...
From the definition in objc.h:
#if (TARGET_OS_IPHONE && __LP64__) || TARGET_OS_WATCH
typedef bool BOOL;
#else
typedef signed char BOOL;
// BOOL is explicitly signed so @encode(BOOL) == "c" rather than "C"
// even if -funsigned-char is used.
#endif
#define YES ((BOOL)1)
#define NO...
Select arrow style change
...ght: 2rem;
}
If you need it to also work in IE update the svg arrow to base64 and add the following:
select::-ms-expand { display: none; }
background-image: url(data:image/svg+xml;base64,PHN2ZyBmaWxsPSdibGFjaycgaGVpZ2h0PScyNCcgdmlld0JveD0nMCAwIDI0IDI0JyB3aWR0aD0nMjQnIHhtbG5zPSdodHRwOi8vd3d3Lnc...