OStack Q&A-Knowledge Sharing Community

0 votes

343 views

1 answer

Consider the following table: SELECT id, value FROM table ORDER BY id ASC; +-----+---------+ | id | value | + ... .id = t2.id - 2 will not work. See Question&Answers more detail:os...

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

0 votes

268 views

1 answer

r - Removing the border of legend symbol

I was trying to plot some predicted vs. actual data, something that resembles the following: # Some random data x ... the rest of my plot? See Question&Answers more detail:os...

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

0 votes

379 views

1 answer

php - Loading view outside view folder with CodeIgniter

I have the need to load a view from outside the scope of: $this->load->view(); which appears to work ... here would be greatly appreciated :-) See Question&Answers more detail:os...

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

0 votes

149 views

1 answer

How to blur some portion of Image in Android?

I am working in a project where I have to show some portion of the image clear and make rest part of the ... to achieve this. Thanks in advance. See Question&Answers more detail:os...

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

0 votes

331 views

1 answer

php - Use array_diff_assoc() or get difference of multidimensional arrays

I've been struggling with what I think should be a really easy issue for sometime now and just can't work out ... and [4] arrays from $pageids? See Question&Answers more detail:os...

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

0 votes

577 views

1 answer

c# - SqlParameter does not allows Table name - other options without sql injection attack?

I got a runtime error saying "Must declare the table variable "@parmTableName". Meaning having table name as ... dbCommand.ExecuteNonQuery(); } See Question&Answers more detail:os...

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

0 votes

463 views

1 answer

SwiftUI: Broken explicit animations in NavigationView?

When I put an explicit animation inside a NavigationView, as an undesirable side effect, it animates the ... EscapingAnimationTest() } } See Question&Answers more detail:os...

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

0 votes

661 views

1 answer

c# - DataGridView changing cell background color

I have the following code : private void dgvStatus_DataBindingComplete(object sender, DataGridViewBindingCompleteEventArgs ... anything usefull See Question&Answers more detail:os...

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

0 votes

470 views

1 answer

html - How is the margin-top percentage calculated?

I know this should be straightforward, but can anybody tell me why the child boxes in the following overflow their ... content</p> </div> See Question&Answers more detail:os...

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

0 votes

533 views

1 answer

python - How can I strip comment tags from HTML using BeautifulSoup?

I have been playing with BeautifulSoup, which is great. My end goal is to try and just get the text from a page ... ) } slideit() //--> See Question&Answers more detail:os...

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

0 votes

775 views

1 answer

php - file_get_contents not working?

This code is not working to server. But It is working to my localhost (xampp) $url = file_get_contents(' ... between code. allow_url_fopen = on See Question&Answers more detail:os...

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

0 votes

237 views

1 answer

java - Android - How to create clickable listview?

I want to make all my list items in the listview open up into a new page, so each listview item opens up ... ! EDIT: Logcat no longer relevant. See Question&Answers more detail:os...

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

0 votes

263 views

1 answer

r - How to force specific order of the variables on the X axis?

My question has to do with order of plot bars when using ggplot. EffectNames = c("Pull Back(A)","Hook(B)","Peg ... vjust=1.5, colour="white") p See Question&Answers more detail:os...

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

0 votes

419 views

1 answer

plot - change background and text of strips associated to multiple panels in R / lattice

The following is the example I work on. require(lattice) data(barley) xyplot(yield ~ year | site, data = barley ... : How can I achieve this? See Question&Answers more detail:os...

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

0 votes

436 views

1 answer

javascript - contentDocument for an iframe

What exactly does "contentDocument" represent for an iframe (or even the old "frame" element)? Is it ... supported across all the browsers? See Question&Answers more detail:os...

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

0 votes

107 views

1 answer

How to use timer in C?

What is the method to use a timer in C? I need to wait until 500 ms for a job. Please mention any good ... until that time to get any input. See Question&Answers more detail:os...

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

0 votes

1.1k views

1 answer

overflow - OverflowError: long int too large to convert to float in python

I tried to calculate poisson distribution in python as below: p = math.pow(3,idx) depart = math.exp(-3) * ... depart to float but no results. See Question&Answers more detail:os...

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

0 votes

906 views

1 answer

wpf - TextBox and default Button binding does update too late

I've got a simple WPF dialog with these two controls: <TextBox Text="{Binding MyText}"/> <Button Command="{ ... the button. So what now`? See Question&Answers more detail:os...

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

0 votes

718 views

1 answer

syntax - F# forward type declarations

I stumbled across this problem in F#. Suppose, I want to declare two types that reference each other: type ... does not generate an error? See Question&Answers more detail:os...

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

0 votes

332 views

1 answer

c# - How can I check if a string is a number?

I'd like to know on C# how to check if a string is a number (and just a number). Example : 141241 Yes ... on... Is there a specific function? See Question&Answers more detail:os...

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

0 votes

173 views

1 answer

How to retrieve a variable's name in python at runtime?

Is there a way to know, during run-time, a variable's name (from the code)? Or do variable's names forgotten ... variables (int, str, list etc.) See Question&Answers more detail:os...

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

0 votes

489 views

1 answer

python - Euclidean algorithm (GCD) with multiple numbers?

So I'm writing a program in Python to get the GCD of any amount of numbers. def GCD(numbers): if numbers[-1] == ... reduce(GCD, (30, 40, 36)) See Question&Answers more detail:os...

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

0 votes

388 views

1 answer

c++ - Is there any way to set a breakpoint in gdb that is conditional on the call stack?

I am debugging C++ in gdb 7.1 on Linux. I have a function a() that is called in many places in the code. I ... from c(), and so on ad infinitum? See Question&Answers more detail:os...

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

0 votes

122 views

1 answer

How to deserialize a blank JSON string value to null for java.lang.String?

I am trying a simple JSON to de-serialize in to java object. I am however, getting empty String values for java. ... too. Is there a simple way? See Question&Answers more detail:os...

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

0 votes

627 views

1 answer

html - CSS for changing color of last word in h1

I have a website that I am developing using CSS3 and I have h1 tag for the title: <h1>main title</h1> Now ... last word to be a different color? See Question&Answers more detail:os...

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

0 votes

945 views

1 answer

converting datetime string to POSIXct date/time format in R

Consider a string in the format test <- "YYYY-MM-DDT00:00:00.000-08:00" My goal is to convert those strings to ... a "T". Is this my issue? See Question&Answers more detail:os...

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

0 votes

534 views

1 answer

regex - How do I extract query parameters from a URL string in PHP?

Users can input URLs using a HTML form on my website, so they might enter something like this: http://www.example. ... there a way to do this? See Question&Answers more detail:os...

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

0 votes

242 views

1 answer

Are JavaScript Arrays actually implemented as arrays?

The difference between a JavaScript Array, and Object is not very big. In fact it seems Array mainly adds the ... WebGL typed arrays cough). See Question&Answers more detail:os...

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

Categories

Recent questions

Just Browsing Browsing

Most popular tags