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php - Preserve Line Breaks From TextArea When Writing To MySQL

I'm using a textarea to enable users to input comments. However, if the users enters new lines, the new lines ... . Any idea how do preserve the line breaks? Question&Answers:os...

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

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css - Order columns through Bootstrap4

I have 3 columns which I want to order in different ways on desktop and mobile. Currently, my gird looks like this: <div class ... 6 col-md-12"> 3 </div> </div> Question&Answers:os...

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

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567 views

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TypeScript: Object.keys return string[]

When using Object.keys(obj), the return value is a string[], whereas I want a (keyof obj)[]. const ... check all checkboxes in Options to activate strict: true. Question&Answers:os...

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

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python - Normalizing Unicode

Is there a standard way, in Python, to normalize a unicode string, so that it only comprehends the simplest ... half of the special cases, and do mistakes. Question&Answers:os...

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

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PHP ini file_get_contents external url

I use following PHP function: file_get_contents('http://example.com'); Whenever I do this on a certain server, the ... sure about is, which one. Please help. Question&Answers:os...

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

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ios - Can you attach a UIGestureRecognizer to multiple views?

UITapGestureRecognizer *tapGesture = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(tapTapTap:)]; ... just needs some more documentation. Question&Answers:os...

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

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c# - Delete a file being used by another process

I'm trying to programmically delete a file, but the file is apparently being used by another process (which ... remove the file from my application's processes? Question&Answers:os...

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

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language agnostic - Getting N random numbers whose sum is M

I want to get N random numbers whose sum is a value. For example, let's suppose I want 5 random numbers that ... of a matrix of belongings for Fuzzy C-means. Question&Answers:os...

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

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Send email from localhost running XAMMP in PHP using GMAIL mail server

I try to send an email from localhost to my yahoo email account using php mail() function, the return ... a STARTTLS command first. k4sm129639pbd.11 - gsmtp Question&Answers:os...

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

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r - Can lists be created that name themselves based on input object names?

It would be very helpful to me to be able to create an R list object without having to specify the names of ... 18 19 20 This would be ideal. Any suggestions? Question&Answers:os...

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

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276 views

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html - How to center elements on the last row in CSS Grid?

I am using CSS grid to layout some items like this... #container { display: grid; grid-template-columns: 16.666% 16. ... <div class="item">Item</div> </div> Question&Answers:os...

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

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ssl - Updating openssl in python 2.7

wondering if someone may please explain how openssl works in python2.7. I'm not sure if python got its own openssl ... /lib/libssl.dylib -> libssl.1.0.0.dylib Question&Answers:os...

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

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java - How to set a background picture in JPanel

hello i am using JPanel as my container of my frame then i really want to used a background picture in my Panel i really ... g.drawImage(image,0,0,this); } } } Question&Answers:os...

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

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470 views

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javascript - Navbar dropdown (collapse) is not working in Bootstrap 5

I am facing a issue when trying to create a responsive menu or dropdown button with Bootstrap 5.Everything seems ok.The ... " ></script> </body> </html> Question&Answers:os...

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

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python - A faster strptime?

I have code which reads vast numbers of dates in 'YYYY-MM-DD' format. Parsing all these dates, so that it can add one, ... how to speed it up a bit (or a lot)? Question&Answers:os...

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

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bash - How do I use variables in single quoted strings?

I am just wondering how I can echo a variable inside single quotes (I am using single quotes as the string ... > ${FILE} any help would be greatly appreciated Question&Answers:os...

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

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exception - java.rmi.ServerException: RemoteException occurred in server thread (ClassNotFoundException)

The following method : private void startServer() { // snippet that starts the server on the local machine try ... exc when i have imported the right packages Question&Answers:os...

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

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184 views

1 answer

c# - How to get an HtmlElement value inside Frames/IFrames?

I'm using the Winforms WebBrowser control to collect the links of video clips from the site linked below. LINK But, ... return 0 Do I need to call any ajax? Question&Answers:os...

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

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244 views

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python - Running unittest with typical test directory structure

The very common directory structure for even a simple Python module seems to be to separate the unit tests into their own ... : "To run the unit tests do X." Question&Answers:os...

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

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202 views

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Difference between DataFrame, Dataset, and RDD in Spark

I'm just wondering what is the difference between an RDD and DataFrame (Spark 2.0.0 DataFrame is a mere type ... Spark? Can you convert one to the other? Question&Answers:os...

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

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765 views

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c++ - How to detect reliably Mac OS X, iOS, Linux, Windows in C preprocessor?

This question already has answers here: Question&Answers:os...

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

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189 views

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java.lang.UnsupportedClassVersionError: Bad version number in .class file?

I am getting this error when I include an opensource library that I had to compile from source. Now, all ... throwing the exception?? Is that even possible? Question&Answers:os...

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

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c - What are the applications of the ## preprocessor operator and gotchas to consider?

As mentioned in many of my previous questions, I'm working through K&R, and am currently into the preprocessor. ... its use, and are there gotchas to consider? Question&Answers:os...

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

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324 views

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asp.net - How do you modify the web.config appSettings at runtime?

I am confused on how to modify the web.config appSettings values at runtime. For example, I have this ... which will result with angry users calling you. Question&Answers:os...

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

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248 views

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java - String.replaceAll single backslashes with double backslashes

I'm trying to convert the String something into the String \something\ using replaceAll, but I ... : Unexpected internal error near index 1 Question&Answers:os...

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

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186 views

1 answer

html - Why are Bootstrap tabs displaying tab-pane divs with incorrect widths when using highcharts?

So I'm creating a page with tabbed content using Twitter's Bootstrap, yet the content of my starting ... find to make everything consistent? Thanks guys! Question&Answers: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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variable assignment - Operator precedence with Javascript Ternary operator

I cant seem to wrap my head around the first part of this code ( += ) in combination with the ternary ... question is how should i interpet this code correctly? Question&Answers:os...

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

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154 views

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Calling an asynchronous function within a for loop in JavaScript

I have the following code: for(var i = 0; i < list.length; i++){ mc_cli.get(list[i], function(err, response ... them but I can't figure why this is not working. Question&Answers:os...

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

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