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I have been stuck with this for a while and don't seem to get around this. I am trying to read the contents of ... as well, but I get null back. See Question&Answers more detail:os...

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

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579 views

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Android DataBinding: @BindingAdapter in Kotlin does not recognize lambdas

This is my BindingAdapter: @BindingAdapter(value = *arrayOf("bind:commentsAdapter", "bind:itemClick", "bind: ... binding works just fine 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 - TypeError: 'WebElement' object is not iterable error

I am trying to extract all the links from wikipedia homepage but this code showing TypeError: 'WebElement' object ... sleep(4) browser.close() 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 - Call has been made on garbage collected delegate in C#?

I have been using this key hook script i found but I continue to get an error after a few seconds of ... ] static extern bool UnhookWindowsHookEx(IntPtr hInstance); /// <summary&...

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

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Why can't I find Java desktop application in Netbeans 7.1

I downloaded Netbeans 7.1 with all bundle from http://netbeans.org/downloads and installed it successfully on ... dragging components. 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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google chrome - How can I <iframe> Gmail?

I know that Gmail might put some security measures in place to prevent this, but I really need to put Gmail ... > Are there any other ways? 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 - "TypeError": 'list' object is not callable flask

I am trying to show the list of connected devices in browser using flask. I enabled flask on port 8000: in ... ... and other devices existing? See Question&Answers more detail:os...

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

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Flutter url_launcher Unhandled Exception: Could not launch youtube url (Caused by canLaunch)

I'm trying to use the url_launcher plugin to open youtube videos by link but the canLaunch function keeps throwing an error. I ... ), ), ); } } See Question&Answers more detail:os...

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

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mongodb - How to toggle a boolean field in one document with atomic operation?

Is there any way to toggle the boolean field of ONE document in MongoDB with atomic operation? Say, (In python) cl.update ... ": {"field": 1}}) 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++ - std::async won't spawn a new thread when return value is not stored

Consider I have lamba foo which just does some stuff and doesn't need to return anything. When I do this: std:: ... ); What am I missing here? See Question&Answers more detail:os...

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

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scala - How to suppress info and success messages in sbt?

When I do sbt run I see some header and footer info which I would like to get rid of: $ sbt run [info] Set ... 2.9.1 SBT version: 0.11.1 See Question&Answers more detail:os...

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

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Jquery validation not working with ckeditor

I am using jQuery to validate forms.. but when I use CKeditor and try to validate it using jQuery, it's not ... to get rid of this 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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jpa - How do I do a "deep" fetch join in JPQL?

I don't think I will ever fully understand fetch joins. I have a query where I'm attempting to eagerly "inflate" ... t see any 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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c - Why does "printf" not produce any output?

I am learning to program in C. Could you explain why nothing is printed here? #include <stdio.h> int main (void) { ... ; printf ("%s", a); } See Question&Answers more detail:os...

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

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header - Download of .zip file runs a corrupted file php

I'm trying to force a download of a protected zip file (I don't want people to access it without logging ... wrong with the headers. Any ideas? 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 Swing Timer

ActionListener taskPerformer = new ActionListener() { public void actionPerformed(ActionEvent evt) { //...Perform a task.. ... it to fire once. 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++ - Using bind1st for a method that takes argument by reference

I have a struct like this: struct A { void i(int i) {} void s(string const &s) {} }; Now when I try this: ... (int &i) {} I get a similar error. 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 - Transition flex-grow of items in a flexbox

Is it possible to transition the items in an flexbox? When you click I want all items to collapse except the one that ... purple">d</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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php - Checking if 2 arrays have at least 1 equal value

Currently I have 2 array: array(1, 2, 3, 4); array(4, 5, 6, 7); How can I check if there is at ... => 4, so the function should return true). 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# - Amazon SES Email address is not verified

I'm starting with the amazon servers and started studying about SES. I am using asp.net C # and made ??my code based ... : " + ex.Message); } } See Question&Answers more detail:os...

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

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634 views

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javascript - node - invalid array length

I'm using node v0.12.4. When I run the following code with node --max-old-space-size=8192 test.js it gives ... -old-space-size I need to change? See Question&Answers more detail:os...

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

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performance - is php sort better than mysql "order by"?

I was wondering if, in terms of performance and considering a mysql select on a table with very very very ... someone has any suggestion? Tanks 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 - Select row from a DataFrame based on the type of the object(i.e. str)

So there's a DataFrame say: >>> df = pd.DataFrame({ ... 'A':[1,2,'Three',4], ... 'B':[1 ... ] Which obviously doesn't works! Thanks please 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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964 views

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c# - How to capture mouse wheel on panel?

How to capture mouse wheel on panel in C#? I'm using WinForms EDIT: I try to do it on PictureBox now. ... works. Wheelling doesn't. Why? See Question&Answers more detail:os...

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

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1.1k views

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regex - Java String ReplaceAll method giving illegal repetition error?

I have a string and when I try to run the replaceAll method, I am getting this strange error: String str = ... replace the occurrences of "{" ? See Question&Answers more detail:os...

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

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627 views

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Setting different lengths for grid gaps in CSS Grid

I'm creating a layout using CSS Grids, and I want to have different space between each row. I can create the layout ... row-4"></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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551 views

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c# - How does ToString on an anonymous type work?

I was messing with anonymous types, and I accidentally outputted it onto the console. It looked basically how I defined ... 't get how it works. See Question&Answers more detail:os...

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

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955 views

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C#/WPF: Disable Text-Wrap of RichTextBox

Does anyone know how I can disable the text wrapping of a RichTextBox? E.g. if I have a large string which ... Scrollbar). Thanks a lot. Cheers See Question&Answers more detail:os...

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

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