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receiving error: 'Error: SSL Error: SELF_SIGNED_CERT_IN_CHAIN' while using npm
... on ubuntu - I am receiving the error copied below while attempting to install any new modules via npm (I tested socket.io earlier using http, not https though & am wondering if that could have resulted in the issue with npm/unsigned certs). The error pops up once npm tries to resolve the ' https:/...
How do I reset a sequence in Oracle?
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alter sequence serial restart start with 1;
This feature was officially added in 18c but is unofficially available since 12.1.
It is arguably safe to use this undocumented feature in 12.1. Even though the syntax is not included in the official documentation, it is generated by the Oracle pa...
How to compute the similarity between two text documents?
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If I were to average all of the values outside of the diagonal of 1's, would that be a sound way of getting a single score of how similar the four documents are to each other? If not, is there a better way of determining overall similarity betwe...
How to prevent a background process from being stopped after closing SSH client in Linux
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I would recommend using GNU Screen. It allows you to disconnect from the server while all of your processes continue to run. I don't know how I lived without it before I knew it existed.
...
Finding out the name of the original repository you cloned from in Git
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In the repository root, the .git/config file holds all information about remote repositories and branches. In your example, you should look for something like:
[remote "origin"]
fetch = +refs/heads/*:refs/remotes/origin/*
url = server:gitRepo.git
Also, the Git comm...
Can't find the PostgreSQL client library (libpq)
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$ sudo su
$ env ARCHFLAGS="-arch x86_64" gem install pg
Building native extensions. This could take a while...
Successfully installed pg-0.11.0
1 gem installed
Installing ri documentation for pg-0.11.0...
Installing RDoc documentation for pg-0.11.0...
WORKE...
Caching a jquery ajax response in javascript/browser
... return localCache.data[url];
},
set: function (url, cachedData, callback) {
localCache.remove(url);
localCache.data[url] = cachedData;
if ($.isFunction(callback)) callback(cachedData);
}
};
$(function () {
var url = '/echo/jsonp/';
$('#ajaxButton').clic...
TypeScript typed array usage
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You have an error in your syntax here:
this._possessions = new Thing[100]();
This doesn't create an "array of things". To create an array of things, you can simply use the array literal expression:
this._possessions = [];
Of the array constructor if you want to se...
Django REST framework: non-model serializer
...urn JSON and XML to the API consumer. You can also enable YAML by just installing the required python module. Django-rest-framework will output any basic object like dict, list and tuple without any extra work on your part.
So basically you only have to create the function or class that takes in ar...
bpftrace教程【官方】 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
bpftrace教程【官方】bpftrace_tutorial该教程通过12个简单小节帮助你了解bpftrace的使用。每一小节都是一行的命令，你可以立马运行并看到运行效果。该教程系列用来介绍bpftrace的概念。关于bpftrace的完整参考，见bpftr 该教程通过12...