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datetime - Convert from java.util.date to JodaTime

I want to convert a java.util.Date to JodaTime so as to carry out subtractions between dates. Is there a ... to convert from Date to JodaTime? 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# - Why is infinity printed as "8" in the Windows 10 console?

I was testing what was returned from division including zeroes i.e. 0/1, 1/0 and 0/0. For this I ... ); Console.WriteLine(8); Outputs: 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 - `React/RCTBridgeModule.h` file not found

Getting this error while building a react-native iOS app on xcode. Started getting this error after npm install ... still getting the same error See Question&Answers more detail:os...

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

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activerecord - How to execute a raw update sql with dynamic binding in rails

I want to execute one update raw sql like below: update table set f1=? where f2=? and f3=? This SQL will be ... someone give me any help on 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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java - Spring .properties file: get element as an Array

I'm loading properties attributes from a .properties file using Spring as follows: file: elements.properties base. ... there a better 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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javascript - Uncaught Error: Module did not self-register

I try to use node-vlc with nw.js (v0.12.0-alpha2). When i launch my app without nw.js it works, but when i ... me. I am on Ubuntu 14, 64-bit. See Question&Answers more detail:os...

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

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php - Laravel 5.2 - Use a String as a Custom Primary Key for Eloquent Table becomes 0

I am trying to use email as my table's primary key, so my eloquent code is- <?php namespace App; use ... becomes 0. Can anyone please help? See Question&Answers more detail:os...

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

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eclipse - Maven downloads have .lastUpdated as extension

I have an Eclipse setup with m2eclipse and subversive. I have imported a maven2 project from svn. But I get ... type lastUpdated in my POMs. 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 - round a single column in pandas

Is there a way to round a single column in pandas without affecting the rest of the dataframe? >>> print(df) item value1 ... -1.0 5 c 5 5.0 See Question&Answers more detail:os...

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

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python - Read file content from S3 bucket with boto3

I read the filenames in my S3 bucket by doing objs = boto3.client.list_objects(Bucket='my_bucket') while 'Contents' ... . What is the best 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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parsing - Why does javascript accept commas in if statements?

I stumbled across some javascript syntax that seemed like it should produce a parse error of some kind but doesn't ... any practical use for 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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r - How to see data from .RData file?

I saw some similar qestions and I tried to work it out on my own, but I couldn't. This is my problem: I ... I wrote, Im not a native speaker. See Question&Answers more detail:os...

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

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ruby on rails - Cannot add a NOT NULL column with default value NULL in Sqlite3

I am getting the following error while trying to add a NOT NULL column to an existing table. Why is it ... ADD "division_id" integer NOT NULL 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 convert a time string to seconds?

I need to convert time value strings given in the following format to seconds, for example: 1.'00:00:00,000 ... was just using the wrong module. 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 Spinner with different layouts for "drop down state" and "closed state"?

I have an Android Spinner view in my layout. I would like that spinner to show only a single text item when ... ). Anyone who can help 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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How to stop insertion of Duplicate documents in a mongodb collection

Let us have a MongoDB collection which has three docs.. db.collection.find() { _id:'...', user: 'A', ... indexing be done or any other approach? 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 - UISearchBar presented by UISearchController in table header view animates too far when active

I am using UISearchController to present a search bar inside the header view of a tableview: ... self. ... search bar from animating down? 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 - How do you update a CoreData entry that has already been saved in Swift?

I'm not sure what I'm doing wrong here, but when I save the first time into coredata, it works just fine. ... potential error") return nil } } 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++ - Are there any tricks to use std::cin to initialize a const variable?

Common std::cin usage int X; cin >> X; The main disadvantage of this is that X cannot be const. It can ... , please let me know in comments). See Question&Answers more detail:os...

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

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layout - GroupBox / TitledBorder in JavaFX 2?

Is there something like a GroupBox or TitledBorder available on JavaFX 2? Thanks for any hint :-) See Question&Answers more detail:os...

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

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724 views

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python - pandas xlsxwriter, format header

I'm saving pandas DataFrame to_excel using xlsxwriter. I've managed to format all of my data (set column width ... for the header does nothing. 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 - Detect if device is charging

I can't find anything definite using my favourite tool, however I thought I would put it out here... Is there ... is a user-specified setting). 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 - communicating between two devices

What is the best way for an Android app installed on two devices to communicate with each other? Can ... directly without using text messaging? See Question&Answers more detail:os...

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

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xcode4 - Xcode 4 with opening brace on new line

It seems like the new Xcode 4 does not apply the XCCodeSenseFormattingOptions anymore. At least for me :( ... "\n" PreMethodDeclSpacing "" 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 - How to implement auto-complete for address using Apple Map Kit

I want to auto-complete the address for the user as same as what google api provides in this link: https:// ... head for google api ? 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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411 views

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THREE.JS: Get object size with respect to camera and object position on screen

I am newbie to 3D programming, I did started to explore the 3D world from WebGL with Three.JS. I want to ... way to find it/predetermine 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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138 views

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Android ProgressBar UI custom layout

I am trying to customize a status bar so it will look like this image: However, after a good couple of hours ... and right rings? The resource: See Question&Answers more detail:os...

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

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212 views

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Global variables in C are static or not?

Are global variables in C static or extern by default? If global variables are by default static then it ... have extern storage by default? See Question&Answers more detail:os...

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

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