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366 views

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ruby on rails - How can I get url for paperclip image in to_json

I have a model that uses paperclip like this: has_attached_file :avatar, :styles => { :large => "100x100>" , :medium ... /5588185/how-can-i-get-url-for-paperclip-image-in-to-json...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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95 views

1 answer

Scala in OSGI container?

How can I code my bundle in Scala and then deploy it into OSGI container? Do I compile it into "java" ... from:https://stackoverflow.com/questions/5052706/scala-in-osgi-container...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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375 views

1 answer

iphone - What does IB mean in IBAction, IBOutlet, etc..?

I am very new to iPhone development. I often encounter IBAction, IBOutlet and so on when reading Objective-C and ... /questions/8592056/what-does-ib-mean-in-ibaction-iboutlet-etc...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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400 views

1 answer

How do I launch a process with low priority? C#

I want to execute a command line tool to process data. It does not need to be blocking. I want it to be low ... /1010370/how-do-i-launch-a-process-with-low-priority-c-sharp...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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196 views

1 answer

java - getting result set into DTO with native SQL Query in Hibernate

I have a query like below select f.id, s.name, ss.name from first f left join second s on f.id = ... /3937131/getting-result-set-into-dto-with-native-sql-query-in-hibernate...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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293 views

1 answer

android - HTML5 Audio can't play through Javascript unless triggered manually once

I'm trying to get a small sound file to play automatically using an tag and javascript to initiate it. ... /html5-audio-cant-play-through-javascript-unless-triggered-manually-once...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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86 views

1 answer

How to get Javascript Function Calls/Trace at Runtime

As I interact with my AJAX based application at RUNTIME I'd like the console to spit out all the functions ... /11853256/how-to-get-javascript-function-calls-trace-at-runtime...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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198 views

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html - What is the correct way to do a CSS Wrapper?

I have heard a lot of my friends talk about using wrappers in CSS to center the "main" part of a website. Is ... com/questions/5275410/what-is-the-correct-way-to-do-a-css-wrapper...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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588 views

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Filter ManyToMany box in Django Admin

I have a object with a many-to-many relation with another object. In the Django Admin this results in ... /stackoverflow.com/questions/1226760/filter-manytomany-box-in-django-admin...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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148 views

1 answer

c# - Why does the ASP.Net MVC model binder bind an empty JSON array to null?

Here is my model class: public class MyModel { public Employees[] MyEmpls{get;set;} public int Id{get;set;} public ... -asp-net-mvc-model-binder-bind-an-empty-json-array-to-null...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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414 views

1 answer

iphone - iOS change accessibility focus.

is there a way to set the accessibility focus programatically (App Store-safe)? Any help will be ... https://stackoverflow.com/questions/7529464/ios-change-accessibility-focus...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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159 views

1 answer

In Python what is a global statement?

What is a global statement? And how is it used? I have read Python's official definition; however, it ... stackoverflow.com/questions/13881395/in-python-what-is-a-global-statement...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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162 views

1 answer

reactjs - How to use clsx in React

I am trying to understand some uses of clsx in assigning classnames to a component in React. The construct ... /stackoverflow.com/questions/57557271/how-to-use-clsx-in-react...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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481 views

1 answer

c++ - How to set QMainWindow title

How do I set the title of a QMainWindow? I tried googling and found setCaption(), but it appears it no ... :https://stackoverflow.com/questions/4549859/how-to-set-qmainwindow-title...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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240 views

1 answer

Solr - Getting facet counts without returning search results

I need to return only the facet counts from solr. So I basically want to search over all documents ... /questions/212446/solr-getting-facet-counts-without-returning-search-results...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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114 views

1 answer

java - Why does assigning short to byte only work when the short is final?

Can someone please explain why the following compiles: final short s1 = 1; final char c1 = 1; byte b1 = s1; byte ... -does-assigning-short-to-byte-only-work-when-the-short-is-final...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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352 views

1 answer

powershell - Silver Searcher - How to ignore a file

According to the docs, it should be --ignore PATTERN I have a file containing tags, named "tags". I ... /stackoverflow.com/questions/22999346/silver-searcher-how-to-ignore-a-file...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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241 views

1 answer

apache kafka - Topics, partitions and keys

I am looking for some clarification on the subject. In Kafka documentations I found the following: Kafka only ... ://stackoverflow.com/questions/37511922/topics-partitions-and-keys...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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149 views

1 answer

multithreading - Start a service in a separate process android

I want to start a service in a separate process (i.e when I go to my Application manager in the settings ... .com/questions/22514373/start-a-service-in-a-separate-process-android...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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343 views

1 answer

android - How to recognize whether the Done button is clicked in ActionMode

I use ActionMode to select items in a grid. The problem is that I cannot recognize whether exactly the Done ... how-to-recognize-whether-the-done-button-is-clicked-in-actionmode...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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102 views

1 answer

android - How can I manipulate the camera preview?

There are several tutorials out there which explain how to get a simple camera preview up and running on an ... .com/questions/6478375/how-can-i-manipulate-the-camera-preview...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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267 views

1 answer

algorithm - how to apply binary search O(log n) on a sorted linked list?

Recently I came across one interesting question on linked list. Sorted singly linked list is given and we have to search ... -to-apply-binary-search-olog-n-on-a-sorted-linked-list...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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203 views

1 answer

servicecontroller - Halt batch file until service stop is complete?

I'm using a batch file to stop a Windows service. I'm using the sc command, but I'm open to ... stackoverflow.com/questions/2874911/halt-batch-file-until-service-stop-is-complete...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.3k views

1 answer

python: NameError：global name '...‘ is not defined

(This question already has an answer here): question from:https://stackoverflow.com/questions/17557190/python-nameerror-global-name-is-not-defined...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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167 views

1 answer

bash - Docker number of lines in terminal changing inside docker

I would like to know how to change the following behavior. Let's say my terminal has 28 lines. Then ... questions/38786615/docker-number-of-lines-in-terminal-changing-inside-docker...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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592 views

1 answer

rest - Spring RestTemplate with paginated API

Our REST APIs are returning results in Pages. Here is an example of one Controller @RequestMapping( ... stackoverflow.com/questions/34647303/spring-resttemplate-with-paginated-api...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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243 views

1 answer

spdy - What does ERR_SPDY_PROTOCOL_ERROR mean in nginx?

I and a few of my colleagues got the net::ERR_SPDY_PROTOCOL_ERROR error. We use ngnix version 1.8.0. The ... /questions/33867014/what-does-err-spdy-protocol-error-mean-in-nginx...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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270 views

1 answer

c# - Use Process.Start with parameters AND spaces in path

I've seen similar examples, but can't find something exactly like my problem. I need to run a command ... questions/17321289/use-process-start-with-parameters-and-spaces-in-path...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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