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js/php判断终端类型：PC访问、手机访问、微信访问 - 更多技术 - 清泛网 - ...
... mobile: !!u.match(/AppleWebKit.*Mobile.*/), //是否为移动终端
ios: !!u.match(/\(i[^;]+;( U;)? CPU.+Mac OS X/), //ios终端
android: u.indexOf('Android') > -1, //android终端
iPhone: u.indexOf('iPhone') > -1, //是否为iPhone
iPad: u.indexOf('iPad') > -1, //是否iPad
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How to print a linebreak in a python function?
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You can print a native linebreak using the standard os library
import os
with open('test.txt','w') as f:
f.write(os.linesep)
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Retrieve filename from file descriptor in C
Is it possible to get the filename of a file descriptor (Linux) in C?
7 Answers
7
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to_string is not a member of std, says g++ (mingw)
...h to make it work with MinGW.
This issue has been fixed in MinGW-w64 distros higher than GCC 4.8.0 provided by the MinGW-w64 project. Despite the name, the project provides toolchains for 32-bit along with 64-bit. The Nuwen MinGW distro also solves this issue.
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What is the difference between MacVim and regular Vim?
I'm reasonably new to OS X, but I'm familiar with Vim from using it in various *nix systems. I've seen many people recommend running MacVim over Vim in the terminal. Can anyone tell me what differences there are between MacVim and regular Vim?
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How to delete from a text file, all lines that contain a specific string?
...D sed:
sed -i '/pattern to match/d' ./infile
Same, but for BSD sed (Mac OS X and FreeBSD) – does not work with GNU sed:
sed -i '' '/pattern to match/d' ./infile
To directly modify the file (and create a backup) – works with BSD and GNU sed:
sed -i.bak '/pattern to match/d' ./infile
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Why does this (null || !TryParse) conditional result in “use of unassigned local variable”?
...l repro:
class Program
{
static bool M(out int x)
{
x = 123;
return true;
}
static int N(dynamic d)
{
int y;
if(d || M(out y))
y = 10;
return y;
}
}
I see no reason why that should be illegal; if you replace dynamic ...
Stopping python using ctrl+c
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This is a great answer to enable the most common "break" which is ctrl+c.
– Xerion
Apr 21 '16 at 19:09
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Python function attributes - uses and abuses [closed]
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I typically use function attributes as storage for annotations. Suppose I want to write, in the style of C# (indicating that a certain method should be part of the web service interface)
class Foo(WebService):
@webmethod
def bar(self, arg1, arg2):
...
then I can define
de...
How to trick an application into thinking its stdout is a terminal, not a pipe
I'm trying to do the opposite of " Detect if stdin is a terminal or pipe? ".
9 Answers
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