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c# - MVC Form not able to post List of objects

so I have an MVC Asp.net app that is having issues. Essentially, I have a View that contains a form, ... the purpose! Any help would be greatly appreciated! Question&Answers:os...

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

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514 views

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C# error: "An object reference is required for the non-static field, method, or property"

I have two classes, one for defining the algorithm parameters and another to implement the algorithm: Class 1 ... .GetRandomBits()' Am I missing anything? Question&Answers:os...

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

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76 views

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java - Spring Security : Multiple HTTP Config not working

I am trying to use Spring Security and I have a use case where I want different login pages and different ... 've searched for other answers but none worked. Question&Answers:os...

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

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351 views

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python - String replace doesn't appear to be working

I initially tried using = operator to assign value but it returned an error, then I tried using string.replace(): ... python I am trying to find a substitute. 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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How do I get the current absolute URL in Ruby on Rails?

How can I get the current absolute URL in my Ruby on Rails view? The request.request_uri only returns the relative URL. Question&Answers:os...

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

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403 views

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python - Unresolved reference issue in PyCharm

I have a directory structure ├── simulate.py ├── src │?? ├── networkAlgorithm.py │?? ├── ... And I can ... How can I teach pycham to resolve the reference? Question&Answers:os...

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

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c# - Calculate the execution time of a method

Possible Duplicate: How do I measure how long a function is running? I have an I/O time-taking method which ... exact one, and briefest as much as possible. Question&Answers:os...

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

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310 views

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Get HTML source of WebElement in Selenium WebDriver using Python

I'm using the Python bindings to run Selenium WebDriver: from selenium import webdriver wd = webdriver.Firefox() I ... HTML of an element (and its children)? Question&Answers:os...

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

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android - Percentage width in a RelativeLayout

I am working on a form layout for a Login Activity in my Android App. The image below is how I want it ... android:textSize="18sp" > </Button> </RelativeLayout> Question&Answers:os...

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

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The developers of this app have not set up this app properly for Facebook Login?

I'm trying to make a login with Facebook available in my script. I've done everything, but when I attempt ... Login. Here's error screenshot: Any ideas? Question&Answers:os...

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

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359 views

1 answer

YouTube API to fetch all videos on a channel

We need a video list by channel name of YouTube (using the API). We can get a channel list (only channel ... 't think providing a user parameter would help... Question&Answers:os...

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

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shell - How to delete duplicate lines in a file without sorting it in Unix?

Is there a way to delete duplicate lines in a file in Unix? I can do it with sort -u and uniq commands, but I want to use sed or awk. Is that possible? Question&Answers:os...

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

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323 views

1 answer

Maximum filename length in NTFS (Windows XP and Windows Vista)?

I'm designing a database table which will hold filenames of uploaded files. What is the maximum length of a filename in NTFS as used by Windows XP or Vista? Question&Answers: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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c - Exceptions to array decaying into a pointer?

I have seen in many posts that "in most of the cases array names decay into pointers". Can I know in what ... 't decay into a pointer to its first elements? Question&Answers:os...

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

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236 views

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java - How to ensure order of processing in java8 streams?

I want to process lists inside an XML java object. I have to ensure processing all elements in order I ... parallelism? list.stream().filter().forEach() Question&Answers:os...

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

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725 views

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collections - Size-limited queue that holds last N elements in Java

A very simple & quick question on Java libraries: is there a ready-made class that implements a Queue with a ... one in Apache Commons or something like that? Question&Answers:os...

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

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399 views

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Difference in Months between two dates in JavaScript

How would I work out the difference for two Date() objects in JavaScript, while only return the number of months in the difference? Any help would be great :) Question&Answers:os...

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

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254 views

1 answer

c++ - Concurrency: Atomic and volatile in C++11 memory model

A global variable is shared across 2 concurrently running threads on 2 different cores. The threads writes to ... will behave differently in the above scenario? Question&Answers:os...

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

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174 views

1 answer

Obtaining Chrome Extension ID for development

Although similar to this SO question, I am not asking: Under what conditions does an extension's ID change? nor How ... 's key, where can I get it from? Question&Answers:os...

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

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193 views

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c# - How to exclude property from Json Serialization

I have a DTO class which I Serialize Json.Serialize(MyClass) How can I exclude a public property of it? (It has to ... , as I use it in my code somewhere else) Question&Answers:os...

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

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1.2k views

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unicode - How to set sys.stdout encoding in Python 3?

Setting the default output encoding in Python 2 is a well-known idiom: sys.stdout = codecs.getwriter("utf-8")(sys. ... the correct way to do this in Python 3? Question&Answers:os...

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

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201 views

1 answer

css - Does Firefox support position: relative on table elements?

When I try to use position: relative / position: absolute on a <th> or <td> in Firefox it doesn't seem to work. Question&Answers:os...

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

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319 views

1 answer

jquery - Is there a null-coalescing (Elvis) operator or safe navigation operator in javascript?

I'll explain by example: Elvis Operator (?: ) The "Elvis operator" is a shortening of Java's ternary operator. ... user or user.address is null - no NPE thrown Question&Answers:os...

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

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366 views

1 answer

sql server - How to get a float result by dividing two integer values using T-SQL?

Using T-SQL and Microsoft SQL Server I would like to specify the number of decimal digits when I do a division ... work. How can I achieve the desired result? Question&Answers:os...

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

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583 views

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stdout - How to make output of any shell command unbuffered?

Is there a way to run shell commands without output buffering? For example, hexdump file | ./my_script will ... solution how to make any command unbuffered? Question&Answers:os...

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

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82 views

1 answer

Normalization in MYSQL

What is normalization in MySQL and in which case and how we need to use it? Question&Answers:os...

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

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255 views

1 answer

android - Error inflating class fragment

I get the Error Unable to start activity ComponentInfo{de.androidbuch.activiti/de.androidbuch.activiti.task.Activity}: ... /AndroidRuntime(7636): ... 12 more Question&Answers:os...

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

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277 views

1 answer

java.lang.ClassNotFoundException: com.mysql.jdbc.Driver in Eclipse

What is wrong with the code there are lots of error while debugging. I am writing a code for a singleton class to ... } } I am new to java. Please help. Question&Answers:os...

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

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