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贝因美创始人谈连续创业 谢宏：蓝海策略下的未来赢家 - 资讯 - 清泛网 - 专...
...创造了婴童行业，引领整个行业的发展，他就是贝因美(002570，SZ)的实际控制人谢宏。
8月27日，贝因美创始人、首席科学家身份的谢宏出席了“2015年创新中国总决赛暨秋季峰会”，并发表主旨演讲，讲述贝因美的从0到1，从1到N...
How do I test for an empty JavaScript object?
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ECMA 5+:
// because Object.keys(new Date()).length === 0;
// we have to do some additional check
Object.keys(obj).length === 0 && obj.constructor === Object
Note, though, that this creates an unnecessary array (the return value of keys).
Pre-ECMA 5:
function isEmpty(o...
Recommended way to embed PDF in HTML?
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edited Jun 10 '12 at 12:57
Peter Mortensen
26.5k2121 gold badges9292 silver badges122122 bronze badges
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“#include” a text file in a C program as a char[]
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$ echo hello world > a
$ xxd -i a
outputs:
unsigned char a[] = {
0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x20, 0x77, 0x6f, 0x72, 0x6c, 0x64, 0x0a
};
unsigned int a_len = 12;
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improve this an...
How do you round to 1 decimal place in Javascript?
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Math.round(num * 10) / 10 works, here is an example...
var number = 12.3456789
var rounded = Math.round(number * 10) / 10
// rounded is 12.3
if you want it to have one decimal place, even when that would be a 0, then add...
var fixed = rou...
How to request Administrator access inside a batch file
...REM --> If error flag set, we do not have admin.
if '%errorlevel%' NEQ '0' (
echo Requesting administrative privileges...
goto UACPrompt
) else ( goto gotAdmin )
:UACPrompt
echo Set UAC = CreateObject^("Shell.Application"^) > "%temp%\getadmin.vbs"
set params= %*
echo UAC.S...
Redirecting Output from within Batch file
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10 Answers
10
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How to count the number of set bits in a 32-bit integer?
...ately to keep the table small.)
If you know that your bytes will be mostly 0's or mostly 1's then there are very efficient algorithms for these scenarios.
I believe a very good general purpose algorithm is the following, known as 'parallel' or 'variable-precision SWAR algorithm'. I have expressed th...
How can I delete a newline if it is the last character in a file?
...ited Apr 8 '15 at 16:53
mklement0
209k4040 gold badges362362 silver badges420420 bronze badges
answered Oct 31 '09 at 10:55
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Installing Bootstrap 3 on Rails App
I'm trying to install Bootstrap 3.0 on my Rails app. I recently finished Michael Hartl's tutorial and am now trying to build my own system using this new version of Bootstrap, but I have a few questions that I'm not sure about.
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