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c# - Discrete Anonymous methods sharing a class?

I was playing a bit with Eric Lippert's Ref<T> class from here. I noticed in the IL that it looked like both ... // end of method Program::joik See Question&Answers more detail:os...

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Android application restarts on orientation change

When I change orientation application restarts and I lost my current data.. I am using activity group which contain ... please let me know.. See Question&Answers more detail:os...

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c# - Garbage Collection should have removed object but WeakReference.IsAlive still returning true

I have a test that I expected to pass but the behavior of the Garbage Collector is not as I presumed: ... or explanation for this behavior? See Question&Answers more detail:os...

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xslt - How to 'select' from XML with namespaces?

I have an XML document something like ::: <?xml version="1.0" encoding="utf-8"?> <?mso-application progid=" ... get the 'select' to match Row? See Question&Answers more detail:os...

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haskell - Why does GHC make fix so confounding?

Looking at the GHC source code I can see that the definition for fix is: fix :: (a -> a) -> a ... using the first definition over the second? See Question&Answers more detail:os...

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git - Why are Github project document page urls case sensitive? What are the negative effects?

I Just uploaded a sample index.html page for my github project repo gh-pages branch. However it seems the url used ... :-O) Thanks in advance. See Question&Answers more detail:os...

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Is there a type in TypeScript for anything except functions?

I would like to express that a paremeter should be an object or a simple value type (number, bool, string, ... paranthesis to unwrap them :) See Question&Answers more detail:os...

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Convert PHP array string into an array

I have an array: $myArray = array('key1'=>'value1', 'key2'=>'value2'); I save it as a variable: ... echo $fileContents[1]; //output: value2 See Question&Answers more detail:os...

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firebase - How to get a Firestore document size?

From Firestore docs, we get that the maximum size for a Firestore document is: Maximum size for a document 1 MiB (1 ... document:", error); }); See Question&Answers more detail:os...

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c# - SignalR: Sending data using GlobalHost.ConnectionManager not working

I have a hub like this: public class MessageHubBub : Hub { public void ServerMethod() { Clients.All.sayHi(" ... GetServices( serviceType ); } } See Question&Answers more detail:os...

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java - break and label, "The label MyLabel is missing"

I have a code like this: if(condition1) { break MyLabel; } while(true) { //some code here MyLabel: if( ... MyLabel is missing. What's wrong? See Question&Answers more detail:os...

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.net - How do you databind to a System.Windows.Forms.Treeview control?

I'm looking at this control, and it seems to be lacking the standard .net "datasource" and "datamember" ... a 3rd party treeview control? See Question&Answers more detail:os...

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Set WPF webbrowser control to use IE10 mode

How can i set the WPF webbrowser controls to render pages in iE10 mode or the higher version installed on ... target machine ? Any helps See Question&Answers more detail:os...

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SQL Server: use parameter in CREATE DATABASE

I want to specify the path where data file and log file is created in a SQL script using parameters. Here is ... to do is even possible? Thanks See Question&Answers more detail:os...

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c# - Comparing two objects .

If i have a complex object, what is the best practice pattern to write code to compare 2 instances to see if they are the same See Question&Answers more detail:os...

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wix - Custom icon for ClickOnce application in 'Add or Remove Programs'

A ClickOnce application created using Mage is not showing the icon that was specified in for the Mage command-line ... keys? Is it possible? See Question&Answers more detail:os...

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r - Plot background colour in gradient

This code produces the first plot below: water.height <- seq(0, 5, 1) y <- seq(0, 1500, length.out = ... the same blue background with R code? See Question&Answers more detail:os...

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java - How do I update the timezone information for the OpenJDK?

How do I update the timezone information for the OpenJDK? Oracle puts out tzupdater but that is bound by their ... and not the entire JRE. See Question&Answers more detail:os...

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ios - Firebase limit on the number of observers/listeners

In Firebase, we can add an observer in iOS using something like observeEventType:withBlock:. Is there a limit on ... attached from one client ? See Question&Answers more detail:os...

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c++ - How can I get the mouse position in a console program?

How can I get the mouse click position in C++ in a Windows console program? (A variable that returns the ... the mouse position when clicked. See Question&Answers more detail:os...

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javascript - Firebase Service worker not found while using GWT (404 Error)

I'd like to use the firebase cloud messaging service in my GWT webapplication, but I'm stuck with some problems. The ... token to server } } } } See Question&Answers more detail:os...

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sql server 2008 r2 - Optional multi-valued parameters in SSRS

I have 3 multivalued parameters in my report.Out of them 2 are optional. Is there any way to get the ... point me in the right direction? 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 - Merge error : negative length vectors are not allowed

I tried to merge two data.frames, and they are like below: GVKEY YEAR coperol delta vega firm_related_wealth 1 ... how to solve this issue. See Question&Answers more detail:os...

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c# - iTextSharp international text

I have a table in asp.net page,and trying to export it as a PDF file,I have couple of international ... file,any suggestions, Thanks in advance See Question&Answers more detail:os...

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javascript - How do I post button value to PHP?

I want use A-Z buttons on a html page like shown below (only sample and few words) <INPUT TYPE="BUTTON" VALUE= ... variable. How can I do this? See Question&Answers more detail:os...

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html - How to stack divs from top to bottom in CSS

I have a list that goes like this: <div class="item">1</div> <div class="item">2</div> <div class="item ... 2 5 3 Hope someone can help, thanks! See Question&Answers more detail:os...

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python - Playing note with pygame.midi

I'm trying to play a sound with the pygame.midi module. Here is the code I use : #!/usr/bin/env ... based linux distribution if that can help. See Question&Answers more detail:os...

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python - How to easily avoid Tkinter freezing?

I developed a simple Python application doing some stuff, then I decided to add a simple GUI using Tkinter. The ... a lot for your help. See Question&Answers more detail:os...

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

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