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android - How to use EditText onTextChanged event when I press the number?

I have an EditText with "text = 0.00". When I press the number 3, it should be like 0.03 ... using addTextChangedListener() with TextWatcher(). 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# - Detecting whether on UI thread in WPF and Winforms

I've written an assertion method Ensure.CurrentlyOnUiThread(), below, that checks that the current thread is a UI thread. ... 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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python - Importing Pandas gives error AttributeError: module 'pandas' has no attribute 'core' in iPython Notebook

I am running a iPython notebook via the Anaconda Navigator app (version 1.1.0). When I want to import pandas ... pandas' has no attribute 'core' See Question&Answers more detail:os...

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

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289 views

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sql server 2008 - T-SQL substring - separating first and last name

I have a column which has FirstName and LastName together. I'm writing a report to separate the FirstName And ... LastName separated in T-SQL? See Question&Answers more detail:os...

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

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regex - How to replace the first occurrence of a regular expression in Python?

I want to replace just the first occurrence of a regular expression in a string. Is there a convenient way 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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javascript - XmlHttpRequest onprogress interval

I'm using XmlHttpRequests to upload images to a server and I'd like to show the user the progress ... somewhere in the browser implementation? See Question&Answers more detail:os...

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

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firebase - What is the maximum length of an FCM registration ID token?

Working with the "new" Firebase Cloud Messaging, I would like to reliably save client device registration_id tokens ... characters to check for? 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 - is it possible to redirect console output to a variable?

In R, I'm wondering if it's possible to temporarily redirect the output of the console to a variable? p.s. ... of the built-in functions in R. See Question&Answers more detail:os...

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

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unicode - iconv: Converting from Windows ANSI to UTF-8 with BOM

I want to use iconv to convert files on my Mac. The goal is to go from "Windows ANSI" to "whatever Windows ... terminators How do I get the BOM? See Question&Answers more detail:os...

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

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Calling Javascript using UIWebView

I am trying to call a javascript in a html page using the function - View did load function { NSArray *paths = ... could help me out 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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android - onServiceConnected never called after bindService method

I have a particular situation: a service started by a broadcast receiver starts an activity. I want to make it ... a service. 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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PHP post_max_size vs upload_max_filesize, what is the difference?

When trying to upload a PDF file that was 15mb through an admin area created for doing so, nothing happened. ... = 20M post_max_size = 60M 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 - subprocess.Popen in different console

I hope this is not a duplicate. I'm trying to use subprocess.Popen() to open a script in a separate console. I've ... 2.7 on a 64 bit Windows 7. 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 to detect Keyboard key pressed in iphone?

I want to detect whenever the user presses any keyboard key. Any method which is called only on typing any ... keyboard is shown. 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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uikit - How do I render a SwiftUI View that is not at the root hierarchy as a UIImage?

Suppose I have a simple SwiftUI View that is not the ContentView such as this: struct Test: View { var body: ... on UIView, not a SwiftUI View. 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 - spring web, security + web.xml + mvc dispatcher + Bean is created twice

I have the Web.xml as below: <servlet> <servlet-name>mvc-dispatcher</servlet-name> <servlet-class> ... RestAuthenticationProvider" /> </beans> 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 fire a custom event from Polymer Dart?

I want to fire/send/emit a custom event from inside a Polymer element. For example, I want to convert a normal ... something more... useful. :) See Question&Answers more detail:os...

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

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229 views

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Java read file and store text in an array

I know how to read a file with Java using Scanner and File IOException, but the only thing I don't know is how to store ... 4, 80.2, 76.3, 72.0 See Question&Answers more detail:os...

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

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260 views

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python - How to install SIP & PyQT on windows 7

I'm a newbie to Python environment & really struggling to install SIP & PyQt on my Win 7 machine. This is ... silly. Thanks for your time. 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# - Ignoring a field during .NET JSON serialization; similar to [XmlIgnore]?

I have a POCO class that is being sent to the browser as a JSON string in .NET 3.5 sp1. I am just ... them so that they are not serialized. See Question&Answers more detail:os...

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

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464 views

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jQuery: Detecting pressed mouse button during mousemove event

I tried to detect which mouse button -if any- is the user pressing during a mousemove event under jQuery, but ... pressed and no button at all? See Question&Answers more detail:os...

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

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922 views

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java - interface and a class. name clash: same erasure, yet neither overrides other

I have an interface, and when I try to implement one of its methods, I get this error : "name clash: enqueue(T#1) in ... ] = j; nItems ++ ; } } 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 - Failed to load resource: net::ERR_CONTENT_LENGTH_MISMATCH

What does this error message mean and how do I resolve it? That is from console of Google Chrome v33.0, on ... images is valid and it exists. 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# - Does foreach automatically call Dispose?

In C#, Does foreach automatically call Dispose on any object implementing IDisposable? http://msdn.microsoft.com/en ... disposable.Dispose(); } See Question&Answers more detail:os...

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

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315 views

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Replace single quotes in SQL Server

I have this function in SQL Server to replace single quotes. But when I insert a single quote it throws an error on ... '','')) return @var end See Question&Answers more detail:os...

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

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286 views

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java - How to get day of the month?

I am trying to retrieve which day of the month it is. Such as today is August 29,2011. What i would like to ... How would i go about doing 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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220 views

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android - Unexpected namespace prefix "xmlns" found for tag LinearLayout

I am having an error in following xml file. "Unexpected namespace prefix "xmlns" found for tag LinearLayout". I ... android:checked="false" /> </LinearLayout> <TextView androi...

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

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692 views

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mocking - What is the best way to unit-test SLF4J log messages?

I'm using slf4j and I want to unit test my code to make sure that warn/error log messages are generated ... framework I'm using is Mockito. See Question&Answers more detail:os...

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

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