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ZMQ: 基本原理 - 开源 & Github - 清泛网移动版 - 专注C/C++及内核技术
...MQ名字“）转换为底层传输地址的名字解析服务 。例如，字符串"Brightness-Adjustment-Service"可解析为"tcp://192.168.1.111:5555"。
关于这个问题还有许多要思考，不过主要问题似乎是拓扑是由多个节点组成的，而且名字解析服务选择这些...
PHP random string generator
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This creates a 20 character long hexadecimal string:
$string = bin2hex(openssl_random_pseudo_bytes(10)); // 20 chars
In PHP 7 (random_bytes()):
$string = base64_encode(random_bytes(10)); // ~14 characters, includes /=+
// or
$string = substr(str_replace(...
Generate a Hash from string in Javascript
...} [asString=false] set to true to return the hash value as
* 8-digit hex string instead of an integer
* @param {integer} [seed] optionally pass the hash of the previous chunk
* @returns {integer | string}
*/
function hashFnv32a(str, asString, seed) {
/*jshint bitwise:false */
var i,...
android TextView: setting the background color dynamically doesn't work
... be using different type signatures! One called ColorId and another called HexColor or something. Both are integers but they aren't the same type
– user9903
Oct 13 '12 at 19:27
1
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How long is the SHA256 hash?
... sha256 is 256 bits long -- as its name indicates.
Since sha256 returns a hexadecimal representation, 4 bits are enough to encode each character (instead of 8, like for ASCII), so 256 bits would represent 64 hex characters, therefore you need a varchar(64), or even a char(64), as the length is alwa...
What Regex would capture everything from ' mark to the end of a line?
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https://regex101.com/r/Jjc2xR/1
/(\w*\(Hex\): w*)(.*?)(?= |$)/gm
I'm sure this one works, it will capture de hexa serial in the badly structured text multilined bellow
Space Reservation: disabled
Serial Number: wCVt1]IlvQWv
Serial Number (Hex):...
Does Notepad++ show all hidden characters?
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Double check your text with the Hex Editor Plug-in. In your case there may have been some control characters which have crept into your text. Usually you'll look at the white-space, and it will say 32 32 32 32, or for Unicode 32 00 32 00 32 00 32 00. You ma...
mfc里面的140种颜色宏 - C/C++ - 清泛网 - 专注C/C++及内核技术
mfc里面的140种颜色宏MFC编码是需要配色的，可以参考使用。#pragma once #define CLR_LIGHTPINK RGB(255, 182, 193) ...mfc编码时需要配色的，可以参考使用。
#pragma once
#define CLR_LIGHTPINK RGB(255, 182, 193) // 浅粉红
#...
How much of a git sha is *generally* considered necessary to uniquely identify a change in a given c
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The default of 7 comes from fairly early in git development, when seven hex digits was a lot (it covers about 250+ million hash values).
Back then I thought that 65k revisions was a lot (it was what we were about to hit in BK), and each revision tends to be about 5-10 new objects or so, so a mi...
Safe integer parsing in Ruby
...ngs that are valid non-decimal numbers, such as those starting with 0x for hex and 0b for binary, and potentially more tricky numbers starting with zero that will be parsed as octal.
Ruby 1.9.2 added optional second argument for radix so above issue can be avoided:
Integer('23') ...