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How can I get the sha1 hash of a string in node.js?
...hing the UTF-8 representation of the string. Other languages (like Python, PHP or PERL...) are hashing the byte string.
We can add binary argument to use the byte string.
const crypto = require("crypto");
function sha1(data) {
return crypto.createHash("sha1").update(data, "binary").digest("hex...
Measuring the distance between two coordinates in PHP
...- http://www.codexworld.com/distance-between-two-addresses-google-maps-api-php/
$latitudeFrom = '22.574864';
$longitudeFrom = '88.437915';
$latitudeTo = '22.568662';
$longitudeTo = '88.431918';
//Calculate distance from latitude and longitude
$theta = $longitudeFrom - $longitudeTo;
$dist = sin(de...
Origin is not allowed by Access-Control-Allow-Origin
I'm making an Ajax.request to a remote PHP server in a Sencha Touch 2 application (wrapped in PhoneGap ).
18 Answers
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Laravel Eloquent: Ordering results of all()
...sorting the collection with sortBy() happens inside the Laravel Engine (in PHP), while the orderBy() is done in the database. Surely the database is going to be quicker in almost all conceivable situations, and as your dataset increases so will the disparity in performance. I'd love to hear other pe...
FloatingActionButton 扩展：悬浮操作按钮扩展，可自定义颜色、大小、位置...
...角效果
版本信息
兼容性
常见问题
Q: 按钮不显示怎么办？
Q: 如何更改图标大小？
Q: 可以同时显示多个按钮吗？
Q: 如何使按钮变成方形？
Q: 支持其他图片格...
How to check that a string is an int, but not a double, etc.?
PHP has an intval() function that will convert a string to an integer. However I want to check that the string is an integer beforehand, so that I can give a helpful error message to the user if it's wrong. PHP has is_int() , but that returns false for string like "2" .
...
Array_merge versus + [duplicate]
... the matching elements from the right-hand array will be ignored.
http://php.net/manual/en/language.operators.array.php
array_merge() has slightly different behavior:
If the input arrays have the same string keys, then the later value for that key will overwrite the previous one. If, however,...
周鸿祎创业以来的“六大战役” 酷派会是最后一战 - 资讯 - 清泛网 - 专注C/...
...有“你死我活”。
周鸿祎是个什么样的人？
对于这个问题，对于没有接触过老周的人来说真的很难回答的好，回答的准确，只能通过度娘、万能的知乎对其了解一二。
员工：来360之前，看过老周很多文章和访谈，和别的大佬...
How do I reformat HTML code using Sublime Text 2?
... if your file is saved with an extension that contains HTML like .html or .php.
If you do this often, you may find this key mapping useful:
{ "keys": ["ctrl+shift+r"], "command": "reindent" , "args": { "single_line": false } }
If your file is not saved (e.g. you just pasted in a snippet to a new...
check if jquery has been loaded, then load it if false
...Query
OR
include_once equivalent for js. Ref: https://raw.github.com/kvz/phpjs/master/functions/language/include_once.js
function include_once (filename) {
// http://kevin.vanzonneveld.net
// + original by: Legaev Andrey
// + improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.n...