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Abusing the algebra of algebraic data types - why does this work?
The 'algebraic' expression for algebraic data types looks very suggestive to someone with a background in mathematics. Let me try to explain what I mean.
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How can one use multi threading in PHP applications
...ulti-threaded model in PHP whether truly, or just simulating it. Some time back it was suggested that you could force the operating system to load another instance of the PHP executable and handle other simultaneous processes.
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“unpacking” a tuple to call a matching function pointer
I'm trying to store in a std::tuple a varying number of values, which will later be used as arguments for a call to a function pointer which matches the stored types.
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How do you detect where two line segments intersect? [closed]
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There’s a nice approach to this problem that uses vector cross products. Define the 2-dimensional vector cross product v × w to be vx wy − vy wx.
Suppose the two line segments run from p to p + r and from q to q + s. Then any point on the first...
Where and why do I have to put the “template” and “typename” keywords?
...or not. The following example demonstrates that:
t * f;
How should this be parsed? For many languages a compiler doesn't need to know the meaning of a name in order to parse and basically know what action a line of code does. In C++, the above however can yield vastly different interpretations de...
Smarty中date_format日期格式化详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...%a - 当前区域星期几的简写
%A - 当前区域星期几的全称
%b - 当前区域月份的简写
%B - 当前区域月份的全称
%c - 当前区域首选的日期时间表达
%C - 世纪值（年份除以 100 后取整，范围从 00 到 99）
%d - 月份中的第几天，十进制数...
Fastest method to replace all instances of a character in a string [duplicate]
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The easiest would be to use a regular expression with g flag to replace all instances:
str.replace(/foo/g, "bar")
This will replace all occurrences of foo with bar in the string str. If you just have a string, you can convert it to a RegExp...
In Node.js, how do I “include” functions from my other files?
...// ========
module.exports = {
foo: function () {
// whatever
},
bar: function () {
// whatever
}
};
var zemba = function () {
}
And in your app file:
// app.js
// ======
var tools = require('./tools');
console.log(typeof tools.foo); // => 'function'
console.log(typeof tools.b...
TypeScript sorting an array
I've been trying to figure out a very strange issue I ran into with typescript. It was treating an inline Boolean expression as whatever the first value's type was instead of the complete expression.
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How to escape regular expression special characters using javascript? [duplicate]
...pecial characters using java script.How can i achieve this?Any help should be appreciated.
3 Answers
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