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淘宝应对双\"11\"的技术架构分析 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...数据为优先，比如说A机房的站点的数据是优先的，不管怎么样，它就覆盖到B的。
对于缓存。
1、注意切分力度，根据业务选择切分力度。把缓存力度划分的越细，缓存命中率相对会越高。
2、确认缓存的有效生命周期。
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Get first n characters of a string
...prefer this function which prevents breaking the string in the middle of a word using the wordwrap function:
function truncate($string,$length=100,$append="…") {
$string = trim($string);
if(strlen($string) > $length) {
$string = wordwrap($string, $length);
$string = explo...
How to capitalize the first letter in a String in Ruby
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capitalize first letter of first word of string
"kirk douglas".capitalize
#=> "Kirk douglas"
capitalize first letter of each word
In rails:
"kirk douglas".titleize
=> "Kirk Douglas"
OR
"kirk_douglas".titleize
=> "Kirk Douglas"
In ruby:...
How to wrap text of HTML button with fixed width?
...xed width, the text inside the button is never wrapped. I've tried it with word-wrap, but that cuts of the word even though there are spaces available to wrap on.
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String replacement in batch file
...he ENABLEDELAYEDEXPANSION switch set.
setlocal ENABLEDELAYEDEXPANSION
set word=table
set str="jump over the chair"
set str=%str:chair=!word!%
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Find and replace string values in list
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words = [w.replace('[br]', '<br />') for w in words]
These are called List Comprehensions.
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Split string into an array in Bash
...done
The last example is useful because Bash arrays are sparse. In other words, you can delete an element or add an element and then the indices are not contiguous.
unset "array[1]"
array[42]=Earth
To get the number of elements in an array:
echo "${#array[@]}"
As mentioned above, arrays can ...
In Vim/Vi, how do you move the cursor to the end of the previous word?
...he difference between ge and be, it's that you can be in the middle of the word and you'll go to the end of the previous, while be you need to be on the first char of the initial word.
– TankorSmash
Dec 4 '13 at 4:06
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How to capitalize first letter of each word, like a 2-word city? [duplicate]
My JS woks well when the city has one word:
4 Answers
4
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Capitalize the first letter of both words in a two word string
Let's say that I have a two word string and I want to capitalize
both of them.
12 Answers
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