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ios - How to write a data in plist?
    I have followed this answer to write data to the plist How to write data to the plist? But so far my ... so 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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iphone - Can you use cancel/isCancelled with GCD/dispatch_async?
    I've been wondering, can you use cancel/cancelAllOperations/.isCancelled with a thread you have launched with GCD ... helps someone, sometime! 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# - Get Firefox URL?
    How can I get the url from a running instance of firefox using .NET 2.0 windows/console app? C# or VB codes will do. 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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uiimage - iOS images in a bubble effect
    I have some images that I want to "put inside a bubble". The bubbles kind of float around the screen with these ... an example of what I mean: See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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swift - Is SwiftUI backwards-compatible with iOS 12.x and older?
    If I have an app made with SwiftUI, will it work for iOS below iOS 13? 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 - The declared package does not match the expected package ""
    I am using Eclipse and have not used Java for sometime. However, I can compile my code on the command-line ... name of my project is DeviceDDS. 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 - Crashlytics is not sending Crash report from iPhone
    I've setup the Crashlytics in my one iOS application and installed the application on a real device. My Crashlytics ... , where is the problem? 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 - NumPy: Logarithm with base n
    From the numpy documentation on logarithms, I have found functions to take the logarithm with base e, 2, and 10: import ... (e.g. 42) in numpy? 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 - Getting error says - "Entry name 'res/layout/test_toolbar.xml' collided" while creating signed apk
    I have updated my android studio from 3.5.x to 3.6 today and getting an error while generating signed apk ... can delete all of its contents. 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 - openURL: deprecated in iOS 10
    Apple with iOS 10 has deprecated openURL: for openURL:option:completionHandler If I have: [[UIApplication ... -schemes-with-canopenurl/ See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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sql - Timestamp Difference In Hours for PostgreSQL
    Is there a TIMESTAMPDIFF() equivalent for PostgreSQL? I know I can subtract two timestamps to get a postgresql ... "age" FROM "links_link" 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 - In web browsers, what's the difference between onblur and onfocusout?
    If they're the same, then why there are two of this kind of event? 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.util.Timer: Is it deprecated?
    I read in a comment to this answer and in many other questions about scheduling (sorry, no references) ... -implemented set-o-classes? See Question&Answers more detail:os...
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python - Plotly: How to define the structure of a sankey diagram using a pandas dataframe?
    This may sound like a very broad question, but if you'll let me describe some details I can assure you it ... layout) iplot(fig, validate=False) See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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What will spark do if I don't have enough memory?
    I'm new to Spark, and I found the Documentation says Spark will will load data into memory to make the ... file into memory as always ? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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search - how do I normalise a solr/lucene score?
    I am trying to work out how to improve the scoring of solr search results. My application needs to take ... scoring the results? Thanks Grant See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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winapi - Convert a C++ program to a Windows service?
    I've written a console program that "does stuff" - mainly using boost. How do I convert it to a ... I know about Windows Services beforehand? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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printing - Print a PDF file using PrinterJob in Java
    I have an issue when trying to print a PDF file using Java. Here is my code: PdfReader readFtp = ... how to set the PrintRequestAttributeSet? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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google chrome extension - Javascript textarea undo redo
    I'm making a small javascript editor (for a chrome extension) somewhat like the one on SO. There's a ... track of deltas between edits). See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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xcode - Linking static libraries, that share another static library
    I currently have a single Xcode project for a very large code base, I'll call it Project X, which I am dividing ... me with same issue on iOS. 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 Active Process Name in C#?
    How to get active process name in C#? I know that I must use this code: [DllImport("user32.dll")] private static ... I don't know how use 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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python - Matplotlib errors result in a memory leak. How can I free up that memory?
    I am running a django app that includes matplotlib and allows the user to specify the axes of the graph. This can ... del a, b gc.collect() 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 - Joining multiple fields in text files on Unix
    How can I do it? File1 looks like this: foo 1 scaf 3 bar 2 scaf 3.3 File2 looks like this: foo 1 scaf 4.5 ... same. Is there a way 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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matplotlib - Python: Is it possible to change line color in a plot if exceeds a specific range?
    Is it possible to change the line color in a plot when values exceeds a certain y value? Example: import numpy ... linestyle):: Is it possible? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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tomcat - How can I specify the local address on a java.net.URLConnection?
    My Tomcat instance is listening to multiple IP addresses, but I want to control which source IP address is used ... How can I specify 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++ - Adding static libcurl to Code::Blocks IDE
    I can't figure out how to properly add a static libcurl library to my Code::Blocks IDE. I want it static because ... s why I can not compile 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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algorithm - Most efficient way of randomly choosing a set of distinct integers
    I'm looking for the most efficient algorithm to randomly choose a set of n distinct integers, where all the ... is large. Any better solutions? 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 - Integer.parseInt(scanner.nextLine()) vs scanner.nextInt()
    My professor tends to do the following to get a number from the user: Scanner scanner = new Scanner(System.in); ... data, and not a user input? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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