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What would be the best way to write log statements to a file or database in an iPhone application? Ideally, ... might best be done? 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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IOS Video Compression Swift iOS 8 corrupt video file

I am trying to compress video taken with the users camera from UIImagePickerController (Not an existing ... be appreciated. Pleeeeeeeeease. 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# - Convert list to dictionary using linq and not worrying about duplicates

I have a list of Person objects. I want to convert to a Dictionary where the key is the first and last name ... doesn't blow up on duplicates? See Question&Answers more detail:os...

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

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AngularJS - Trigger when radio button is selected

I searched and tried many ng-xxxx kind of options but couldn't find the one.. I just want to call some function ... way to achieve what I want? See Question&Answers more detail:os...

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

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css - how to remove the dotted line around the clicked a element in html

I found that if there is a a link in the page which does not link to a new page,then when user click ... line around the element Section 2. 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# - Thread.Sleep replacement in .NET for Windows Store

Thread.Sleep doesn't seem to be supported in .NET for Windows Store apps. For example, this System.Threading. ... slow the response time 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 - Warning: Attempt to present * on * whose view is not in the window hierarchy - swift

I'm trying to present a ViewController if there is any saved data in the data model. But I get the ... found using Google without success. 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 - GitHub pages and relative paths

I have created a gh-pages branch for a project that I am working on at GitHub. I use Sublime text to author ... Any idea how to deal with 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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Sqlalchemy - Difference between query and query.all in for loops

I would like to ask whats the difference between for row in session.Query(Model1): pass and for row in session.Query( ... (x) vs xrange(x)) ? See Question&Answers more detail:os...

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

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.net - How to create/make rounded corner buttons in WPF?

I need to create a rounded corner glossy button in WPF. Can anyone please explain me what steps are needed? 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++ - Fastest way to get the integer part of sqrt(n)?

As we know if n is not a perfect square, then sqrt(n) would not be an integer. Since I need only the ... write the code in asm block also. 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 is the relation between UIView's clipsToBounds and CALayer's masksToBounds?

A UIView has a CALayer. That's pretty sure. But both seem to provide something that means the same thing. ... Why different names? Anyone knows? See Question&Answers more detail:os...

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

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big o - Can an O(n) algorithm ever exceed O(n^2) in terms of computation time?

Assume I have two algorithms: for (int i = 0; i < n; i++) { for (int j = 0; j < n; ... just the most complex element that bounds the algorithm. 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 / jQuery closure function syntax

Can someone please explain the differences between the following functions: (function($){ // can do something like $. ... (){ }); 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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javascript - ".addEventListener is not a function" why does this error occur?

I'm getting an ".addEventListener is not a function" error. I am stuck on this: var comment = document. ... id="textfield"> </div> 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 - nokogiri gem installation error

I know there are a lot of questions about this gem but no answer has worked for me. When I run in SSH gem ... from extconf.rb:419:in `<main>' 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 TaskScheduler.Current the default TaskScheduler?

The Task Parallel Library is great and I've used it a lot in the past months. However, there's something really ... why I'm turning to 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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Java interface throws an exception but interface implementation does not throw an exception?

I read this code where the interface throws an exception, but the class which implements it doesn't throw one or ... .printStackTrace(); } } } See Question&Answers more detail:os...

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

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internationalization - set language within a django view

background: The view is called when a payment service pings back a payment outcome behind the scenes - afterwhich I ... to do it? Cheers, Guy 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 parse error on 'u2028' unicode character

Whenever I use the u2028 character literal in my javascript source with the content type set to "text/html; ... invalid newline in a string. See Question&Answers more detail:os...

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

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networking - TCP Socket no connection timeout

I open a TCP socket and connect it to another socket somewhere else on the network. I can then ... it a socket configuration option? 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 MVC - Slow initial load

I've recently created an asp.net mvc web application and published it online. When first loading the website you ... website is taking so long? 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 WebView JellyBean -> Should not happen: no rect-based-test nodes found

My application is using a lot of webviews which are lying in fragments which are hold by a ViewPager. Whenever i ... be able to fix the issue? 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 - Using Express Handlebars and Angular JS

Background I am currently building a website that uses NodeJS for the server, Express Handlebars(Just Handlebars but server ... 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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php - Make Twitter Bootstrap navbar link active

What's the standard way to make the active link in a Twitter Bootstrap navbar bolded? It's clear that a link gains the ... </div> </div> </div> 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 - reading android jpeg EXIF metadata from picture callback

Background: I am writing a camera app for a messenger program. I cannot save the captured image to persistent ... welcome any further insight. 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 - Fast Scroll display problem with ListAdapter and SectionIndexer

I have a list of events which are seperated by month and year (Jun 2010, Jul 2010 etc.). I have enabled ... any clarification, or code just ask. See Question&Answers more detail:os...

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

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Multiple distinct pages in one HTML file

Is there any way to have multiple distinct HTML pages contained within a single HTML file? For example, suppose I ... much script code. 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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