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python - How can I get the named parameters from a URL using Flask?

When the user accesses this URL running on my flask app, I want the web service to be able to handle ... password = request.form['password'] print(password) Question&Answers:os...

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

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machine learning - Why binary_crossentropy and categorical_crossentropy give different performances for the same problem?

I'm trying to train a CNN to categorize text by topic. When I use binary cross-entropy I get ~80% ... results with binary, and poor results with categorical. Question&Answers:os...

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

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PHP Regex to get youtube video ID?

Can someone show me how to get the youtube id out of a url regardless of what other GET variables are in the ... =related So between v= and before the next & Question&Answers:os...

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

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java - Is System.nanoTime() completely useless?

As documented in the blog post Beware of System.nanoTime() in Java, on x86 systems, Java's System.nanoTime ... of timeSpent may be incorrect and even negative. Question&Answers:os...

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

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147 views

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ios - Objective-C and Swift URL encoding

I have a NSString like this: http://www. but I want to transform it to: http%3A%2F%2Fwww. How can I do this? Question&Answers:os...

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

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Converting Java objects to JSON with Jackson

I want my JSON to look like this: { "information": [{ "timestamp": "xxxx", "feature": "xxxx", "ean": ... to call and how that I can achieve this JSON output? Question&Answers:os...

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

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python - Generate 'n' unique random numbers within a range

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

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print call stack in C or C++

Is there any way to dump the call stack in a running process in C or C++ every time a certain ... random number generator is called differently for each one. Question&Answers:os...

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

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Reliable method to get machine's MAC address in C#

I need a way to get a machine's MAC address, regardless of the OS it is running, by using C#. The ... unreliable as the output format differs on every machine. Question&Answers:os...

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

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Upload Progress Bar in PHP

Does anyone know how to get a progress bar for an upload in php? I am trying writing code for a photo album ... new to php so I dont know everything about it. Question&Answers:os...

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

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node.js - nodejs mysql Error: Connection lost The server closed the connection

when I use node mysql, an error is appear between 12:00 to 2:00 that the TCP connection is shutdown by ... ; handleKFDisconnect(); }); }; handleKFDisconnect(); Question&Answers:os...

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

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python - How to jump to a particular line in a huge text file?

Are there any alternatives to the code below: startFromLine = 141978 # or whatever line I need to jump to ... for more elegant solution if there is any. Question&Answers:os...

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

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c# - How do ValueTypes derive from Object (ReferenceType) and still be ValueTypes?

C# doesn't allow structs to derive from classes, but all ValueTypes derive from Object. Where is this distinction made? How does the CLR handle this? Question&Answers:os...

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

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php - Get URL query string parameters

What is the "less code needed" way to get parameters from a URL query string which is formatted like the following? ... echo $_GET['q']; //Output: myquery ?> Question&Answers:os...

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

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214 views

1 answer

Python garbage collector documentation

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

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java - Populating a ListView using an ArrayList?

My Android app needs to populate the ListView using the data from an ArrayList. I have trouble doing this. Can someone please help me with the code? Question&Answers:os...

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

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138 views

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sql - Delete duplicate rows from small table

I have a table in a PostgreSQL 8.3.8 database, which has no keys/constraints on it, and has multiple rows with ... in this case (there are only a few rows). Question&Answers:os...

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

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254 views

1 answer

How to handle running service when app is killed by swiping in android?

If my app is running and i press home button, the app goes in background. Now if I long press the home ... . Any help would be appreciated. Thanks in advance. Question&Answers:os...

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

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84 views

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PHP calculate age

I'm looking for a way to calculate the age of a person, given their DOB in the format dd/mm/yyyy. I ... floor((time() - strtotime($birthdayDate))/31556926); Question&Answers:os...

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

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303 views

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Alternative to itoa() for converting integer to string C++?

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

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166 views

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Examples of good gotos in C or C++

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

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335 views

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javascript - Multiple modals overlay

I need that the overlay shows above the first modal, not in the back. $('#openBtn').click(function(){ $('#myModal' ... /3.0.0/js/bootstrap.min.js"></script> Question&Answers:os...

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

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1.2k views

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date - How to get the current time in YYYY-MM-DD HH:MI:Sec.Millisecond format in Java?

The code below gives me the current time. But it does not tell anything about milliseconds. public static String ... but how do I get millisecond as well? Question&Answers:os...

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

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503 views

1 answer

Wait until swift for loop with asynchronous network requests finishes executing

I would like a for in loop to send off a bunch of network requests to firebase, then pass the data to a ... I pass the datesArray to the next view controller. Question&Answers:os...

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

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494 views

1 answer

Adding gif image in an ImageView in android

I added an animated gif image in an imageView. I am not able to view it as a gif image. No animation is there. It' ... to know how can i show it as a gif image. Question&Answers:os...

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

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246 views

1 answer

How can I display a list view in an Android Alert Dialog?

In an Android application, I want to display a custom list view in an AlertDialog. How can I do this? Question&Answers:os...

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

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203 views

1 answer

c++ - What really is a deque in STL?

I was looking at STL containers and trying to figure what they really are (i.e. the data structure used), and the ... needs to be moved to a new bigger place. Question&Answers:os...

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

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180 views

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python generator "send" function purpose?

Can someone give me an example of why the "send" function associated with Python generator function exists ... send that accomplishes something yield cannot? Question&Answers:os...

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

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