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I am currently writing a little bootstrap code for a service that can be run in the console. It essentially boils ... may be the answer. I will test today. Question&Answers:os...

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

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259 views

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Using subprocess to run Python script on Windows

Is there a simple way to run a Python script on Windows/Linux/OS X? On the latter two, subprocess.Popen(" ... cross-platform. The final script can be found here Question&Answers:os...

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

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234 views

1 answer

android - Intent URI to launch Gmail App

Is there any URI which can point to the GMAIL App in android and help me launch it? Question&Answers:os...

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

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136 views

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android - How to show multiple markers on MapFragment in Google Map API v2?

I am using Google Map API v2 in my application to show Maps. I have followed all the steps, that is to be followed ... that if I don't pass the lat/log value. Question&Answers:os...

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

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262 views

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assembly - How to make an executable ELF file in Linux using a hex editor?

Just curious. This obviously isn't a very good solution for actual programming, but say I wanted to make an ... ? Similar to this question, but in Linux. Question&Answers:os...

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

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295 views

1 answer

node.js - How can I see the SQL generated by Sequelize.js?

I want to see the SQL commands that are sent to the PostgreSQL server because I need to check if they are ... Node.js/ActionHero.js and Sequelize.js as well? Question&Answers:os...

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

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155 views

1 answer

How to automate drag & drop functionality using Selenium WebDriver Java

How to automate drag & drop functionality using Selenium WebDriver in java? Question&Answers:os...

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

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1 answer

C compiler asserts - how to implement?

I'd like to implement an "assert" that prevents compilation, rather than failing at runtime, in the error ... minimize the size of the binaries generated)? Question&Answers:os...

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

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491 views

1 answer

apache spark - What is the meaning of partitionColumn, lowerBound, upperBound, numPartitions parameters?

While fetching data from SQL Server via a JDBC connection in Spark, I found that I can set some ... anyone explain me the meanings of these parameters? Question&Answers:os...

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

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409 views

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ios - How can I detect screen lock/unlock events on the iPhone?

How can I detect screen lock/unlock events on the iPhone? When the user unlocks it, I want to show a ... like Broadcast Receiver for screen unlock in Android.) Question&Answers:os...

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

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215 views

1 answer

Unpacking array into separate variables in JavaScript

This is a simple problem, and I've done it before. I just can't remember how, or what exactly it was called. In ... , two = arr how do I do that in JavaScript? Question&Answers:os...

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

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347 views

1 answer

angular - How to import JSON File into a TypeScript file?

I am building a map application using Angular Maps and want to import a JSON file as a list of markers ... use in my project? Any direction greatly appreciated! Question&Answers:os...

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

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213 views

1 answer

Is there any performance reason to declare method parameters final in Java?

Is there any performance reason to declare method parameters final in Java? As in: public void foo(int bar) { ... ... is only read and never modified in foo(). Question&Answers:os...

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

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1.3k views

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sorting - Reverse a comparator in Java 8

I have an ArrayList and want sort it in descending order. I use for it java.util.stream.Stream.sorted( ... I change, just to have the descending order? Question&Answers:os...

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

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2.0k views

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datatable jquery - table header width not aligned with body width

I am using jQuery datatables. When running the application, the header width is not aligned with the body width. ... help me with this? Thanks in advance. Question&Answers:os...

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

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504 views

1 answer

javascript - Get index of clicked element in collection with jQuery

How do I get the index of clicked item in the code below? $('selector').click(function (event) { // get ... : 2 (I've clicked in the second element). Question&Answers:os...

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

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114 views

1 answer

node.js - How to handle FormData from express 4

I tried sending some form data to my node server but req.body has none of my form fields the node ... Referer:http://localhost:3000/?name=&budget=%C2%A31000 Question&Answers:os...

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

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527 views

1 answer

r - case_when in mutate pipe

It seems dplyr::case_when doesn't behave as other commands in a dplyr::mutate call. For instance: library(dplyr) case_when(mtcars$carb ... %>% cut(c(0, 2, 8))) Question&Answers:os...

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

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823 views

1 answer

optimization - Time complexity of memory allocation

What is the time complexity of dynamic memory allocation using new, malloc, etc.? I know very little about ... m really interested in the average/typical case. Question&Answers:os...

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

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368 views

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SwiftUI @State var initialization issue

I would like to initialise the value of a @State var in SwiftUI through the init() method of a Struct, so ... the situation? Thank you very much in advance! Question&Answers:os...

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

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1.3k views

1 answer

command substitution - Backticks vs braces in Bash

When I went to answer this question, I was going to use the ${} notation, as I've seen so many times on here ... fine. So what other changes do I need to make? Question&Answers:os...

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

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942 views

1 answer

python - zlib.error: Error -3 while decompressing: incorrect header check

I have a gzip file and I am trying to read it via Python as below: import zlib do = zlib.decompressobj( ... : incorrect header check How can I overcome it? Question&Answers:os...

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

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251 views

1 answer

multithreading - Is a volatile int in Java thread-safe?

Is a volatile int in Java thread-safe? That is, can it be safely read from and written to without locking? Question&Answers:os...

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

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184 views

1 answer

Upload video files via PHP and save them in appropriate folder and have a database entry

I want the user to be able to upload video files to my site and I want them arranged in proper ... capability to accept names and their email addresses. Question&Answers:os...

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

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293 views

1 answer

python - How to display a Pandas data frame with PyQt5/PySide2

I have a problem with the line below self.tableView.set??????????(df) that supposed to display the data ... MainWindow) MainWindow.show() sys.exit(app.exec_()) Question&Answers:os...

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

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137 views

1 answer

How can I prevent git from thinking I did a rename

I have two files index.html and template.html. I moved most of index.html into template.html and now git ... Is it possible to prevent this in specific cases? Question&Answers:os...

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

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1.0k views

1 answer

swift - How to change the status bar background color and text color on iOS 13?

With the arrival of iOS 13 statusBar's view is no longer accessible trough: value(forKey: "statusBar") as? ... using UIKit. Any ideas regarding this subject? Question&Answers:os...

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

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217 views

1 answer

Activity Layout: Fragment class: vs android:name attributes

I've read the documentation about Fragments in the Android Developer Guide and I've seen that sometimes they specify ... ve asked about it in another question). Question&Answers:os...

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

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