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benchmarking - How efficient can Meteor be while sharing a huge collection among many clients?

Imagine the following case: 1,000 clients are connected to a Meteor page displaying the content of the "Somestuff ... of such scale available? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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node.js - How can I get npm start at a different directory?

I usually cd into the app directory and then run npm start. It is my feeling that there ought to be some way to ... Is there a way to do that? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - How to get a Fragment to remove itself, i.e. its equivalent of finish()?

I'm converting an app to use fragments using the compatibility library. Now currently I have a number of ... pop using the transaction manager? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Zsh: Conda/Pip installs command not found

So I installed Anaconda and everything is working. After I installed it I decided to switch to oh-my-zsh. I am now ... is it that I'm missing? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Pie chart with jQuery

I want to create a pie chart in JavaScript. On searching I found the Google Charts API. Since we are using jQuery ... my data to a third party. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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openssl - Convert pem key to ssh-rsa format

I have a certificate in der format, from it with this command I generate a public key: openssl x509 - ... f private_key1.pem > public_key1.pub See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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css - Faster way to develop and test print stylesheets (avoid print preview every time)?

This is my process right now: Save changes to print.css Open browser and refresh page. Right-click and choose ... print preview after a refresh? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - Correctness of Sakamoto's algorithm to find the day of week

I am using Sakamoto's algorithm to find out the day of week from a given date. Can anybody tell me the correctness of this ... m-1] + d) % 7; } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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html - CSS attribute selector does not work a href

I need to use attribute selector in css to change link on different color and image, but it does not work. I ... Why isn't the background red? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Remove URL parameters without refreshing page

I am trying to remove everything after the "?" in the browser url on document ready. Here is what I am trying: jQuery( ... split('?')[0]); }); See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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parsing - Difference between constituency parser and dependency parser

What is the difference between a constituency parser and a dependency parser? What are the different usages of the two? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How to get the command line args passed to a running process on unix/linux systems?

On SunOS there is pargs command that prints the command line arguments passed to the running process. Is there ... on other Unix environments? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Android ViewPager - Show preview of page on left and right

I'm using Android's ViewPager. What I want to do is to show a preview of the page on both the left and ... gallery widget that I am looking for. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - WebRTC - scalable live stream broadcasting / multicasting

PROBLEM: WebRTC gives us peer-to-peer video/audio connections. It is perfect for p2p calls, hangouts. But what ... codecs; Get a media server. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Programmatically creating Markdown tables in R with KnitR

I am just starting to learn about KnitR and the use of Markdown in generating R documents and reports. ... were any Markdown-based solutions? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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jquery UI dialog: how to initialize without a title bar?

Is it possible to open a jQuery UI Dialog without a title bar? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - What exactly can CoreBluetooth applications do whilst in the background?

The subject says it all, really. Documentation, insofar as it exists at all, suggests that apps ... user explicitly request reconnection? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - What is the meaning of 'No bundle URL present' in react-native?

When I run a react-native project, I get a error no bundle URL present , but I don't know what mistakes I do, I was very confused. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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language agnostic - What is an invariant?

The word seems to get used in a number of contexts. The best I can figure is that they mean a variable that can' ... (darn you Java!) are for? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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repository - Change old commit message using `git rebase`

I was trying to edit an old commit message as explained here. The thing is that now, when I try to run ... 'refs/heads/master'. Any ideas? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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performance - How do you calculate log base 2 in Java for integers?

I use the following function to calculate log base 2 for integers: public static int log2(int n){ if(n <= 0) throw ... Math.log(n)/Math.log(2). See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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stl - How do you copy the contents of an array to a std::vector in C++ without looping?

I have an array of values that is passed to my function from a different part of the program that I need ... using something similar to memcpy. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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vue router - Vue.js - How to remove hashbang #! from url?

How to remove hashbang #! from url? I found option to disable hashbang in vue router documentation ( http://vuejs. ... !/home BUT: /home Thanks! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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jquery - Detect changed input text box

I've looked at numerous other questions and found very simple answers, including the code below. I simply ... <input id="inputDatabaseName"> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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formatting - Format SQL in SQL Server Management Studio

In Visual Studio & other IDEs, you can easily auto format your code with a keyboard shortcut, through the menu, ... "Select All -> Format SQL" See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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314 views

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html - How to center div vertically inside of absolutely positioned parent div

I am trying to get blue container in the middle of pink one, however seems vertical-align: middle; doesn't ... how can I achieve that. Jsfiddle See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How can I install a previous version of Python 3 in macOS using homebrew?

How can I install a previous version of Python 3 in macOS using brew? With the command brew install python I ... is not suitable for me. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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oop - What is the purpose of Serialization in Java?

I have read quite a number of articles on Serialization and how it is so nice and great but none of the ... achieve by serializing a class? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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