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CSS :after not adding content to certain elements
...usocio/pen/BOBaEM/
input[type="checkbox"] {
appearance: none;
color: #000;
width: 42px;
height: 24px;
border: 1px solid currentColor;
border-radius: 100px;
cursor: pointer;
transition: all 100ms;
background-size: 30%;
outline: none;
position: relative;
box-sizing: border-box...
Most efficient way to store thousand telephone numbers
... phone numbers for which the first m bits are 1...11 - this last count is 1000(decimal). There are 2^m such counts and each count is at most 1000. If we omit the last one (because we know it is 1000 anyway), we can store all of these numbers in a contiguous block of (2^m - 1) * 10 bits. (10 bits is ...
从Code Review 谈如何做技术 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...的描述——
卡珀斯·琼斯（Capers Jones）分析了超过12,000个软件开发项目，其中使用正式代码审查的项目，发现潜在缺陷率约在60-65%之间，若是非正式的代码审查，发现潜在缺陷率不到50%。大部份的测试，发现的潜在缺陷率会...
SQL Server insert if not exists best practice
...r Name, it seems to me, is very unlikely to be unique in your data. In 200,000 competitors, you may very well have 2 or more David Smiths, for example. So I would recommend that you collect more information from competitors, such as their phone number or an email address, or something which is more ...
How to Customize a Progress Bar In Android
... <shape>
<gradient
android:startColor="#000001"
android:centerColor="#0b131e"
android:centerY="1.0"
android:endColor="#0d1522"
android:angle="270"
/>
</shape>
</item>
&...
How exactly does the callstack work?
...
117
The call stack could also be called a frame stack.
The things that are stacked after the LIFO ...
How the single threaded non blocking IO model works in Node.js
...ts are being served concurrently.
According to: "Event loop from 10,000ft - core concept behind Node.js".
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What is the JavaScript convention for no operation?
... Function.prototype();
console.log('End : ', Date.now());
}, 1000);
Although this is a "true noop" since most browsers seem to do nothing to execute the noop defined this way (and hence save CPU cycles), there might be some performance issues associated with this (as is also mentione...
What's the difference between ASCII and Unicode?
...ntation of a few characters in ASCII:
0100101 -> % (Percent Sign - 37)
1000001 -> A (Capital letter A - 65)
1000010 -> B (Capital letter B - 66)
1000011 -> C (Capital letter C - 67)
0001101 -> Carriage Return (13)
See the full ASCII table over here.
ASCII was meant for English only.
...
What are the best practices for JavaScript error handling?
...r a small site you are right, but if you are running a large site with 100,000s or millions of users, you really don't need to flood your servers (or the internet) with redundant logging requests. On a large enough system, every real error is going to occur tens of thousands of times a day, so this ...