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linux - Modify Qt GUI from background worker thread

I work in Qt and when I press the button GO I need to continuously send packages to the network and modify the ... a textBox from the thread ? See Question&Answers more detail:os...

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

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Spring @Transactional not working

I previously had a post on this issue that was resolved. However since rebuilding the project with auto wired beans ... { return dataSource; } } See Question&Answers more detail:os...

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

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Creating a pdf file in android programmatically and writing in it

I'm trying to create a pdf file inside my app, save it on the external storage the open it. Saving a file isn ... writing a pdf file ? 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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c# - How to set conditional breakpoints in Visual Studio?

Is there an easy way to set conditional breakpoints in Visual Studio? If I want to hit a breakpoint only when the ... , how can I do 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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Changing .prop using jQuery does not trigger .change event

I've got an event listener on a checkbox: <input type="checkbox" name="something"> My event listener: $(' ... ... Something I'm overlooking? 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 - search by ObjectId in mongodb with pymongo

I need to search an ObjectId with python using pymongo but I always get this error. Any ideas how to ... ImportError: cannot import name RE_TYPE 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 do I exit a while loop in Java?

What is the best way to exit/terminate a while loop in Java? For example, my code is currently as follows: while( ... I need to exit 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# - Why check this != null?

Occasionally I like to spend some time looking at the .NET code just to see how things are implemented behind ... caught and removed by now. See Question&Answers more detail:os...

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

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asp.net mvc - Json and Circular Reference Exception

I have an object which has a circular reference to another object. Given the relationship between these objects this ... as: Json(machineForm); 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 - Google Maps Display:None Problem

I'm trying to set up a Google map that will display when a link is clicked and then hide when another ... would be much appreciated, Quintin 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 Programmatically Enable/Disable Accessibility Service in Android

I would like to programmatically enable/disable Accessibility Services listed under Settings->Accessibility option. I could ... me your views. 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 - iOS 8 enabled device not receiving PUSH notifications after code update

I recently upgraded one of my test iphones to iOS 8 and then upgraded the PUSH registration code as below (using ... that I may be missing ? 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 - A matrix version of cor.test()

Cor.test() takes vectors x and y as arguments, but I have an entire matrix of data that I want to test, ... this to be problematic for 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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r - Scraping a dynamic ecommerce page with infinite scroll

I'm using rvest in R to do some scraping. I know some HTML and CSS. I want to get the prices of ... There should be a programmatic work around. See Question&Answers more detail:os...

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

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i have built an index in Lucene. I want without specifying a query, just to get a score (cosine similarity ... these two documents? 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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How to get child of child value from firebase in android?

How to get ZNAME value? Initially i need to compare key(Ex::Here ZONE_1) and then ZNAME need to be get. Thanks in advance... 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# - Microsoft Azure: How to create sub directory in a blob container

How to create a sub directory in a blob container for example, in my blob container http://veda.blob.core. ... windows.net/document/folder/1.txt See Question&Answers more detail:os...

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

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command line - How to suppress specific MSBuild warning

Is there any way to disable specific MSBuild warning (e.g. MSB3253) when running MSBuild from command line? My build ... .NET 3.5 and VS2008. 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 - Possible values from sys.platform?

What are the possible return values from the following command? import sys print sys.platform I know there is a lot ... (Windows, Linux, Mac OS) 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 - Redirect with CodeIgniter

Can anyone tell me why my redirect helper does not work the way I'd expect it to? I'm trying to ... php/$1 [L] php_flag display_errors On 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 do I return multiple result sets with SqlCommand?

Can I execute multiple queries and return their results executing a SqlCommand just once? 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 to fix height of TR?

Is it possible to fix the height of a row (tr) on a table? The problem appears when I shrink the window of the ...  </td> </tr> </table> 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 - Xcode - Warning: Implicit declaration of function is invalid in C99

Getting a warning : Implicit declaration of function 'Fibonacci' is invalid in C99. What's wrong? #include <stdio.h> ... F; } }/*Fibonacci*/ See Question&Answers more detail:os...

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

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ASP.NET MVC 4 intercept all incoming requests

Is there a way for me to catch all incoming requests to my ASP.NET MVC 4 app and run some code before ... some things with the other service. 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 check validity of URL in Swift?

Trying to make an app launch the default browser to a URL, but only if the URL entered is valid, ... checking the validity using Swift? See Question&Answers more detail:os...

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

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inheritance - Overriding properties in python

So, I'm trying to figure out the best (most elegant with the least amount of code) way to allow ... what should the foo function return? 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 - Cleanest way to hide every nth tick label in matplotlib colorbar?

The labels on my horizontal colorbar are too close together and I don't want to reduce text size further: cbar ... this using a locator object. 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 - Force iphone app to restart programmatically?

I am trying to get my iPhone app to restart programmatically when the Logout button is pressed. Has anyone ... Any help would be appreciated. See Question&Answers more detail:os...

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

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