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firebase stopped responding and lost all data without any error or issue

I Lost All the data from My Firebase realtime database. This is working properly last day. Suddenly This stopped ... me try again dialog only 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 - strpos issue with 0==false?

I'm using strpos to find the position of a string in another string. I first check if the string is found ... true when strpos returns 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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javascript - Angular 2 binding/events not working when adding template as innerHTML

I am trying to create a reusable table which can be configurable. The cells can be configured to have html template. I ... tr> </tbody> </table> 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 nvcc fails to compile a CUDA file with boost::spirit?

I'm trying to integrate CUDA to an existing aplication wich uses boost::spirit. Isolating the problem, I've found out ... and how can I fix it? 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 - Accessing JSON array after json_decode/multidimensional array

I'm pulling in a search from the Twitter api, fetching the data with file_get_contents and then passing ... would be greatly appreciated 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 - Scope of variable declared inside a for loop

for(int i=0; i<10;i++){ int j=0; } Is j a block variable or a local variable? I see that j's scope is only till the for loop ends See Question&Answers more detail:os...

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

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multithreading - Thread references require static lifetime?

While it makes sense intuitively that references passed to spawned threads need to have static lifetimes, I'm unclear ... what I'm missing! See Question&Answers more detail:os...

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

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sql - Reference alias in WHERE clause

In psql, trying to reference alias in WHERE clause: SELECT SUBSTRING(pk, 6, 2)::INT AS _year FROM listing ... reference alias in WHERE clause? 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 - Get the title of a window of another program using the process name

This question is probably quite basic but I'm having difficulty cracking it. I assume that I will have to use ... by that process as strings. 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 - Flip associative array and store new values in subarrays to prevent losing duplicated values

I have a flat associative array which may contain duplicate values. Array ( [for-juniors] => product_category [for-men] ... ( '7-diamonds' ) ); See Question&Answers more detail:os...

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

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excel - Converting a string representation of a constant into a constant?

I'm trying to accept a formatting constant from a data cell, so I have a string "xlTotalsCalculationAverage". How ... to a known constant value? 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# - In-memory database doesn't save data

I have a simple web-app with angular on client-side and asp.net core web-api on server-side. I use ... await context.SaveChangesAsync(); } } 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 - tips on Adding/creating a drop down selection box in pygame

I am making a game in pygame that requires me to have a drop down box and radio buttons for selection of ... this would be appreciated. Regards, 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# - HTML to List using XMLWorker

Could somebody please provide an example of parsing HTML into a list of elements using XMLWorkerHelper in iTextSharp ( ... html/walden.html")); 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++ - Cuda kernel returning vectors

I have a list of words, my goal is to match each word in a very very long phrase. I'm having no problem ... of solution? Thank you very much. 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 - How to sort array of objects based on a boolean property?

I have list of users presented in table. Active users should be sorted above the inactive users. I am trying to ... =1112 Any adivce is welcome. 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# - json deserialize from legacy property names

How can I setup Newtonsoft.Json to deserialize an object using legacy member names but serialize it using the current ... the current name, "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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python - Time delay Tkinter

I'd like to make a graphic window in PyDev (Eclipse) python 2.75. I've done few things but I'd like to make ... sleep(2) e.config(bg = 'white') 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 how to get the calling function (not just its name)?

I want to write a function which returns the calling function: def foo(): return get_calling_function() #should return ' ... 3, btw)? 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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516 views

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java - SimpleDateFormat giving wrong date instead of error

I am using following pattern and date Date : 13-13-2007 Pattern : dd-MM-yyyy Output: Sun Jan 13 00: ... exception when given date is inproper. See Question&Answers more detail:os...

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

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406 views

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c# - Is it "bad" to use try-catch for flow control in .NET?

I just found in a project: try { myLabel.Text = school.SchoolName; } catch { myPanel.Visible = false; } I ... more than "that's really bad". See Question&Answers more detail:os...

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

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meteor - Uncaught TypeError: fs.readFileSync is not a function

I am trying to get webpack and mapbox-gl work together within Meteor system. I have look everywhere about the ... programs/server/boot.js:133:5 See Question&Answers more detail:os...

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

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Accessing the value of a variable by its name as string in Java

I have a string containing the variable name. I want to get the value of that variable. int temp = 10; ... the value 10 by using temp_name? See Question&Answers more detail:os...

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

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673 views

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rust - What expressions are allowed as the array length N in [_; N]?

Please consider the following minimal example in Rust: const FOOBAR: usize = 3; trait Foo { const BAR: usize; ... compile-time constant size, N. 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 - jQuery: Evaluate script in ajax response

XML responses from my webapp have both HTML to add to the page AND some have a script to run. I'm ... my approach. Any suggestions from anyone? See Question&Answers more detail:os...

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

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219 views

1 answer

javascript - Appended new row is not behaving like previous one (row)

I have a HTML table in side which i have several td as input field,my table is dynamic, when page loads i am ... </table> </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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385 views

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c# - External Terminal / Debug outside the IDE

I'm starting to use Xamarin Studio, and migrating from VS to it, but when I try to run a console application ( ... read input, so it gets stuck. See Question&Answers more detail:os...

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

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465 views

1 answer

python - Custom logarithmic axis scaling in matplotlib

I'm trying to scale the x axis of a plot with math.log(1+x) instead of the usual 'log' scale option, and ... ().set_xscale('custom') plt.show() See Question&Answers more detail:os...

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

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