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int value under 10 convert to string two digit number
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i.ToString("00")
or
i.ToString("000")
depending on what you want
Look at the MSDN article on custom numeric format strings for more options: http://msdn.microsoft.com/en-us/library/0c899ak8(VS.71).aspx
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java get file size efficiently
...);
}
}
return (System.nanoTime() - before) / 1000;
}
}
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How to list all tags along with the full message in git?
...you not want to see the whole message? When it has more than 999 lines? 10,000? 1,000,000? My point is, it typically makes sense to have a cap on how many lines you would see, and this number allows you to set that.
Since I am making an argument for what you generally want to see when looking at yo...
Array include any value from another array?
...include?(food) }
=> true
Benchmark script:
require "benchmark"
N = 1_000_000
puts "ruby version: #{RUBY_VERSION}"
CHEESES = %w(chedder stilton brie mozzarella feta haloumi).freeze
FOODS = %w(pizza feta foods bread biscuits yoghurt bacon).freeze
Benchmark.bm(15) do |b|
b.report("&, empt...
What are all the escape characters?
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Java Escape Sequences:
\u{0000-FFFF} /* Unicode [Basic Multilingual Plane only, see below] hex value
does not handle unicode values higher than 0xFFFF (65535),
the high surrogate has to be separate: \uD852\uDF62
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how to break the _.each function in underscore.js
...k the loop - it just filters the array. imagine you have have not 2 but 20.000 items in the array. you log would only output the example you posted but the loop would run 20.000 times :(
– pkyeck
Jul 30 '13 at 14:42
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一分钟读懂低功耗蓝牙(BLE) MTU交换数据包 - 创客硬件开发 - 清泛IT社区，...
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2) 头信息
Data Header: 0x0706 000. .... = RFU: 0
...0 .... = More Data: False
.... 0... = Sequence Number: 0
.... .1.. = Next Expected Sequence Number: 1
.... ..10 = LLID: Start of an L2CAP messa...
Validating IPv4 addresses with regexp
... this is the most accurate and strict regex, it doesn't accept things like 000.021.01.0. it seems like most other answers here do and require additional regex to reject cases similar to that one - i.e. 0 starting numbers and an ip that ends with a .
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Safe String to BigDecimal conversion
...d some BigDecimal values from the string. Let's say I have this String: "1,000,000,000.999999999999999" and I want to get a BigDecimal out of it. What is the way to do it?
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CSS technique for a horizontal line with words in the middle
...{
width: 100%;
text-align: center;
border-bottom: 1px solid #000;
line-height: 0.1em;
margin: 10px 0 20px;
}
h2 span {
background:#fff;
padding:0 10px;
}
<h2><span>THIS IS A TEST</span></h2>
<p>this is some content other</...