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variadic functions - Using varargs from Scala

I'm tearing my hair out trying to figure out how to do the following: def foo(msf: String, ... ambiguity (any2ArrowAssoc and any2stringadd) 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# - Correct way to delay the start of a Task

I want to schedule a task to start in x ms and be able to cancel it before it starts (or just at the ... canceled. What are my other options? See Question&Answers more detail:os...

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

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900 views

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jquery - bootstrap-typeahead.js add a listener on select event

I'm new to the Bootstrap Twitter framework, and I need to use bootstrap-typeahead.js for autocomplete but ... similar with a typeahead? See Question&Answers more detail:os...

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

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Objective-C instance variables?

I'm sure my confusion here is just a result of being stuck in a "Java mindset" and not understanding ... that demonstrates the problem here. 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# - asp.net core 1.0 web api use camelcase

On RC2 the same code returns json format with camel case. After netcore 1.0 release i started new ... properties-starting-from-lowercase-letter See Question&Answers more detail:os...

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

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300 views

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php - url encode equivalent in ruby on rails

Is there an equivalent to PHP's urlencode in Ruby on Rails 2.3.5? (It encodes a string to be used ... an equivalent helper function? 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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Generic Swift 4 enum with Void associated type

tl;dr Is it possible to instantiate a generic Swift 4 enum member with an associated value of type Void? Background ... > = .success() works. 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 - scikit-learn random state in splitting dataset

Can anyone tell me why we set random state to zero in splitting train and test set. X_train, X_test, y_train, ... in cross validation as well? See Question&Answers more detail:os...

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

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nhibernate - What exactly is "persistence ignorance"?

Persistence ignorance is typically defined as the ability to persist & retrieve standard .NET objects (or ... persistence logic themselves? See Question&Answers more detail:os...

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

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Changing a global variable from inside a function PHP

I am trying to change a variable that is outside of a function, from within a function. Because if the date that the ... = "01-01-11"; } } 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 bootstrap installation of Python modules on Amazon EMR?

I want to do something really basic, simply fire up a Spark cluster through the EMR console and run a ... straightforward way of doing 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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c++ - How are the __cplusplus directive defined in various compilers?

My compiler expands it to 199711L. What does that mean? I read that __cplusplus > 199711L signifies C++11. What ... and what does it signify? See Question&Answers more detail:os...

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

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Regex to match only uppercase "words" with some exceptions

I have technical strings as the following: "The thing P1 must connect to the J236 thing in the Foo position." ... frequent in my files. 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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oracle - How can I execute a native SQL script in JPA/Hibernate?

I have a SQL script with database dump. How can I execute it using Hibernate's EntityManager? I tried it this way ... 2.0.2.0 - 64bit Production 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 - How can I serialize a function in JavaScript?

For example, say I have a function defined as follows: function foo() { return "Hello, serialized world!"; } I ... can I go about doing 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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python - What is a clean way to convert a string percent to a float?

I have looked in the standard library and on StackOverflow, and have not found a similar question. So, is there a way to ... >> 0.99 >>>> 0.995 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 - When would the garbage collector erase an instance of an object that uses Singleton pattern?

When would the garbage collector erase an instance of an object that uses Singleton pattern? Does an object hang ... object in Java? 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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623 views

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.net - DispatcherTimer vs a regular Timer in WPF app for a task scheduler

Please, explain the difference between "DispatcherTimer" and "a regular Timer" that @Kent Boogaart meant for using in a ... this is not true?) 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# - Add the where clause dynamically in Entity Framework

I have this sql statement SELECT userID from users WHERE (name='name1' AND username='username1') OR (name= ... with entity framework using LINQ? 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 - Getting InputStream with RestTemplate

I am using URL class to read an InputStream from it. Is there any way I can use RestTemplate for this? ... RestTemplate instead of using URL? See Question&Answers more detail:os...

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

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585 views

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javascript - Select a row from html table and send values onclick of a button

I have HTML table where I need to select a row and send its first cell ID to a button and onclick of the ... the function. How to do 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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405 views

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asp.net mvc - Submitting form and pass data to controller method of type FileStreamResult

I have an mvc form (made from a model) which when submitted, I want to get a parameter I have the code to ... can I pass data to such methods? 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# - Inserting Image into DocX using OpenXML and setting the size

I am using OpenXML to insert an image into my document. The code provided by Microsoft works, but makes the image ... (new Run(element))); } See Question&Answers more detail:os...

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

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809 views

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javascript - Using mongoose promises with async/await

I'm trying to get the hang of using Mongoose promises with the async/await functionality of Node.js. When my function ... error occured'; }); }, 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 scale an imageData in HTML canvas?

I have a canvas in my webpage; I create a new Image data in this canvas then I modify some pixel through ... it possible to do this? 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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226 views

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How to use <spring:url /> with an <a> tag?

Can I use <spring:url value="/something" /> inside of an <a> tag? See Question&Answers more detail:os...

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

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505 views

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objective c - How to get the width of an NSString?

I am trying to get the width of an NSString (ex. NSString *myString = @"hello"). Is there a way to do this? 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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521 views

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operating system - Understanding Ruby and OS I/O buffering

How does IO buffering work in Ruby? How often is data flushed to the underlying stream when using the IO ... reading it back for processing? See Question&Answers more detail:os...

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

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