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python - Interactive matplotlib plot with two sliders

I used matplotlib to create some plot, which depends on 8 variables. I would like to study how the plot ... example with just two sliders? See Question&Answers more detail:os...

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

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459 views

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asp.net mvc - Error: «Could not load type MvcApplication»

I am getting the error Could not load type MvcApplication when I try to run my website. How to correct it? 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 - Ignoring NaNs with str.contains

I want to find rows that contain a string, like so: DF[DF.col.str.contains("foo")] However, this fails because ... ")] Is there a better way? 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 - How to save S3 object to a file using boto3

I'm trying to do a "hello world" with new boto3 client for AWS. The use-case I have is fairly simple: ... function that will do the same task? 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 does 'git merge' work in details?

I want to know an exact algorithm (or near that) behind 'git merge'. The answers at least to these sub- ... whole algorithm will be much better. See Question&Answers more detail:os...

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

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r - How do I change the background color of a plot made with ggplot2

By default, ggplot2 produces plots with a grey background. How do I change the color of the background of the plot ... =b)) + geom_line() myplot 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 catch a "catchable fatal error" on PHP type hinting?

I am trying to implement Type Hinting of PHP5 on one of my class, class ClassA { public function method_a (ClassB $b) ... ")? and if yes, how? See Question&Answers more detail:os...

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

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multithreading - How to configure a fine tuned thread pool for futures?

How large is Scala's thread pool for futures? My Scala application makes many millions of future {}s and I wonder ... a thread pool. Thank you. See Question&Answers more detail:os...

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

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java - Converting longitude/latitude to X/Y coordinate

I created a map using Google Maps API that highlights all Minnesota counties. Basically, I created the county ... , Image padding = 50px 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 - Explain this implementation of malloc from the K&R book

This is an excerpt from the book on C by Kernighan and Ritchie. It shows how to implement a version of malloc. Although ... = bp; freep = p; } See Question&Answers more detail:os...

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

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iphone - Finding distance from RSSI value of Bluetooth Low Energy enabled device

I am working on Bluetooth low energy concept project. I am getting the RSSI value between 1 and 100. ... advertisementData RSSI:(NSNumber *)RSSI See Question&Answers more detail:os...

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

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makefile - Compiling C++ on remote Linux machine - "clock skew detected" warning

I'm connected to my university's small Linux cluster via PuTTY and WinSCP, transferring files using the latter and ... do I fix/prevent this? See Question&Answers more detail:os...

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

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sql - Django select only rows with duplicate field values

suppose we have a model in django defined as follows: class Literal: name = models.CharField(...) ... Name ... ORM? Or better SQL solution? 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++11 - Why is value taking setter member functions not recommended in Herb Sutter's CppCon 2014 talk (Back to Basics: Modern C++ Style)?

In Herb Sutter's CppCon 2014 talk Back to Basics: Modern C++ Style he refers on slide 28 (a web copy of ... been writing bad code by being lazy? 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# - Finding all combinations of well-formed brackets

This came up while talking to a friend and I thought I'd ask here since it's an interesting problem and would like to see ... () ()(()) ()()() 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 erase the file contents of text file in Python?

I have text file which I want to erase in Python. How do I 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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r - Prevent row names to be written to file when using write.csv

Commands: t <- data.frame(v = 5:1, v2 = 9:5) write.csv(t, "t.csv") Resulting file: # "","v", ... with row index from being written to the file? See Question&Answers more detail:os...

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

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640 views

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python - ipython notebook clear cell output in code

In a iPython notebook, I have a while loop that listens to a Serial port and print the received data in ... I clear old data programmatically ? See Question&Answers more detail:os...

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

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329 views

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javascript - Download text/csv content as files from server in Angular

I am trying to stream a csv file from a node.js server. The server portion is very simple : server.get ... like something that should be simple. 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 - How do you reload a Django model module using the interactive interpreter via "manage.py shell"?

I know how to reload a regular Python module within a regular Python interpreter session. This question documents how ... Ubuntu 9.04 machine. See Question&Answers more detail:os...

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

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385 views

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r - Fully reproducible parallel models using caret

When I run 2 random forests in caret, I get the exact same results if I set a random seed: library(caret) ... , so why not model1 and model2? See Question&Answers more detail:os...

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

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263 views

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php - How to Convert Boolean to String

I have a Boolean variable which I want to convert to a string: $res = true; I need the converted value to be of ... "true" or "false" in PHP? See Question&Answers more detail:os...

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

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java - How to format a number 0..9 to display with 2 digits (it's NOT a date)

I'd like to always show a number under 100 with 2 digits (example: 03, 05, 15...) How can I append ... another String, so I cannot use printf. See Question&Answers more detail:os...

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

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Flutter: Unhandled Exception: ServicesBinding.defaultBinaryMessenger was accessed before the binding was initialized

Any solution to solve this problem? Stacktrace: [VERBOSE-2:ui_dart_state.cc(148)] Unhandled Exception: ServicesBinding. ... (package:f< > 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.js - Which command do I use to generate the build of a Vue app?

What should I do after developing a Vue app with vue-cli? In Angular there was some command that bundle all ... something the same in Vue? See Question&Answers more detail:os...

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

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532 views

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performance - What is the fastest Java collection with the basic functionality of a Queue?

What is the fastest collection in Java? I only need the operations to add and remove, order is not ... is the faster Queue implementation. See Question&Answers more detail:os...

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

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511 views

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windows - Redirecting Output from within Batch file

I am creating a batch file with some simple commands to gather information from a system. The batch file contains ... , if that is possible. See Question&Answers more detail:os...

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

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283 views

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javascript - How to subscribe to an event on a service in Angular2?

I know how to raise an event with the EventEmitter. I can also attach a method to be called if I ... http://plnkr.co/edit/m1x62WoCHpKtx0uLNsIv See Question&Answers more detail:os...

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

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