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objective c - Creating a selector from a method name with parameters

I have a code sample that gets a SEL from the current object, SEL callback = @selector(mymethod:parameter2); And I ... ); but it won't compile. See Question&Answers more detail:os...

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

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xaml - WPF TreeView: How to style selected items with rounded corners like in Explorer

The selected item in a WPF TreeView has a dark blue background with "sharp" corners. That looks a bit ... </TreeView.Resources> </TreeView> See Question&Answers more detail:os...

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

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coordinates - Geographical boundaries of states/provinces -> Google Maps Polygon

I'm building a web application that is going to dynamically highlight certain U.S. states and Canadian provinces ... maps. 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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How to access Facebook private information by using ASP.NET Identity (OWIN)?

I am developing a web site in ASP.NET MVC 5 (using RC1 version currently). The site will use Facebook ... ://stackoverflow.com/a/18423474/4574 See Question&Answers more detail:os...

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

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security - Should I impose a maximum length on passwords?

I can understand that imposing a minimum length on passwords makes a lot of sense (to save users from themselves), ... the pros/cons of 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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javascript - Reordering arrays

Say, I have an array that looks like this: var playlist = [ {artist:"Herbie Hancock", title:"Thrust"}, {artist:" ... ,tmp); But it doesn't work. 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 backup sqlite database?

What's the proper way to do it? Do I just copy the .sq3 file? What if there are users on the site ... being written while it's being copied? See Question&Answers more detail:os...

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

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gradle - Copy existing project with a new name in Android Studio

I would like to copy my Android project and create a new project from the same files just with a different name ... I do this in Android Studio? See Question&Answers more detail:os...

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

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linux - How to remove non UTF-8 characters from text file

I have a bunch of Arabic, English, Russian files which are encoded in utf-8. Trying to process these files using ... Is there anyway to 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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connection - Apache Server (xampp) doesn't run on Windows 10 (Port 80)

I have installed the Windows 10 Insider Program. Everything works, except Apache. When I try to start it, it says ... , but i have disabled 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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git rebase basics

I have started using git rebase recently and am not 100% certain I'm doing it right. For the sake of the ... simplify the flow? Much obliged :) See Question&Answers more detail:os...

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

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mysql - How to set root password to null

How can I change the password for root user of MySQL to null -- meaning no password or '' -- from the MySQL command line client? 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 find SQL Server running port?

Yes I read this How to find the port for MS SQL Server 2008? no luck. telnet 1433 returns connection failed, ... to find that port? :/ 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 - Save sensitive data in React Native

I am building a React Native application and I need to save some sensitive data like a token and a ... use the AsyncStorage methods provided? See Question&Answers more detail:os...

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

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Best Compression algorithm for a sequence of integers

I have a large array with a range of integers that are mostly continuous, eg 1-100, 110-160, etc. All ... such algorithm that would be great. 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 can I programmatically limit my program's CPU usage to below 70%?

Of late, I'm becoming more health oriented when constructing my program, I have observed that most of programs ... given time. Thanks, Nidhi See Question&Answers more detail:os...

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

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Pass cookies from HttpURLConnection (java.net.CookieManager) to WebView (android.webkit.CookieManager)

I've seen answers about how this should work with the old DefaultHttpClient but there's not a good example for ... I can share the session? 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 - format statement in a string resource file

I have strings defined in the usual strings.xml Resource file like this: <string name="hello_world"> HELLO</ ... characters but its not working. 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 - Filter output in logcat by tagname

I'm trying to filter logcat output from a real device (not an emulator) by tag name but I get all the messages ... . Here it is what I get: 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 does model.train() do in PyTorch?

Does it call forward() in nn.Module? I thought when we call the model, forward method is being used. Why do we need to specify train()? See Question&Answers more detail:os...

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

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410 views

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swift3 - print without newline in swift

In swift 2.0, print() automatically adds a newline character. In swift 1.2, println() and print() ... function that does not append newlines. 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 - Is it possible to allocate these folders in another place?

I am installing Android Studio and I have by default the path C:UsersAdministratorAppDataLocalAndroidsdk to set my SDK. ... . 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++ - OSX - replace gcc version 4.2.1 with 4.9 installed via Homebrew

This has been plaguing me for awhile now. I am trying to compile a huge C++ file (I know it works ... random packages and the Standard Library See Question&Answers more detail:os...

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

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203 views

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Android Retrofit - onProgressUpdate for showing Progress Notification

I'm currently using Retrofit by Square for Android network communications. Is there a way to get its progress during ... I would have to take. See Question&Answers more detail:os...

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

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git - BitBucket - download source as ZIP

I know I can get the project through git clone command, but is there any way, how to download the project ... source as ZIP compress file. See Question&Answers more detail:os...

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

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474 views

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c# - How can I set the color of a selected row in DataGrid

The default background color of a selected row in DataGrid is so dark that I can't read it. Is there anyway ... .RowStyle> But still nothing... See Question&Answers more detail:os...

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

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360 views

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c - When to use static keyword before global variables?

Can someone explain when you're supposed to use the static keyword before global variables or constants defined ... practices for using static? See Question&Answers more detail:os...

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

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oauth 2.0 - Salesforce Authentication Failing

I am trying to use OAuth authentication to get the Salesforce Authentication Token, so I referred wiki docs, but ... reply, if exception known? See Question&Answers more detail:os...

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

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