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程序员之网络安全系列（二）：如何安全保存用户密码及哈希算法 - 更多技术 ...
...被人改过，你可以生成这样一份摘要 “第50个字是我，第100个字是爱， 第998个字是你”，那么你女朋友收到这个摘要，检查一下你的邮件就可以了。
Hash算法有两个非常主要的特征：
不能通过摘要来反推出原文
原文的非常...
How to use executables from a package installed locally in node_modules?
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100
Use the npm bin command to get the node modules /bin directory of your project
$ $(npm bin)/&...
Comments in Markdown
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+100
I believe that all the previously proposed solutions (apart from those that require specific implementations) result in the comments...
Fix a Git detached head?
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ralphtheninjaralphtheninja
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What is P99 latency?
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We can explain it through an analogy, if 100 students are running a race then 99 students should complete the race in "latency" time.
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Similarity String Comparison in Java
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The common way of calculating the similarity between two strings in a 0%-100% fashion, as used in many libraries, is to measure how much (in %) you'd have to change the longer string to turn it into the shorter:
/**
* Calculates the similarity (a number within 0 and 1) between two strings.
*/
p...
Get top 1 row of each group
...one to many, but want to filter out all except a one to one. Scenario: For 100 members, give me each their best phone number (where each could have several numbers). This is where Apply excels. Less reads = less disk access = better performance. Given my experience is with poorly designed non-normal...
.NET List Concat vs AddRange
...at and AddRange with a List<KeyValuePair<string, string>> with 1000 elements, concatenated/added 100 times, and AddRange was extremely faster. The results were these: AddRange 13 ms, Concat().ToList() 16,000 ms, and Concat on an IEnumerable doing only the ToList at the end: 2,700 ms.
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How can I round to whole numbers in JavaScript?
...round to round the number to the nearest integer:
total = Math.round(x/15*100);
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Input with display:block is not a block, why not?
...vely unknown box-sizing:border-box style from CSS 3. This allows a 'true' 100% width on any element regardless of that elements' padding and/or borders.
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"
"http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<meta h...