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plsql - ERROR at line 6: PL/SQL: SQL Statement ignored

I am getting an error at line 6: PL/SQL: SQL Statement ignored. The line with "select count(*) ... where table_employee.dept_name=deparment and salary>500000; return ecount; end;...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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youtube api - Search results have a couple of more "nextPageToken", but no more items

I call YT.Search API and then iterate over the results. Page by Page. At some?point, there are still more pages to ... to call the YT search and get ~2000 results per keyword....

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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autolayout - is there a way to automatically resize an image or any content based on the screen size in SWIFT?

I have been trying to find a way to resize an image based on the screen size programmatically without using storyboards?...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How to increase validation accuracy in multiclass image classifications using Deep transfer learning algorithm?

My validation-accuracy is lower than training accuracy.outputoftrainandvalidationaccuracy How ... params: 45,440 _________________________________________________________________...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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vue.js - How to retain scroll position in new route in Nuxt?

I want to keep the scroll position when switching to a new route in the Nuxt project. As a default, Nuxt sets the scroll ... nuxt.config.js by returning false, but it didn't work....

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - How to return HTML in another page with AJAX?

So I created a form. In this form, I make GET requests to the server to search for particular users. The view responsible for ... , true); request.send(); </script> {% endblock %}...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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xcode - Property List Issues with iOS on Flutter

ERROR: /ios/Runner/Info.plist: Property List error: Found non-key inside at line 33 / JSON error: JSON ... UIViewControllerBasedStatusBarAppearance</key> <false /> </dict> </plist>...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Rasa installation Requirement Incompatible

I have a laptop with Windows 10 Pro and I'm trying to install Rasa 1.6.0 When I try to run the command pip install ... pip and install them again, but it didn't solve the problem....

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python 3.x - How to divide two large numpy matrix elemtwise without getting killed?

I have two matrices A,B both of shape 150000 X 150000 I want to divide each element of A with each element of B, element ... a 3 X 3 matrix, I'm working with 150000 X 150000 matrix...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Can I use cookies authentication with Java high level rest client elasticsearch?

Ive been searching for a way to use Java High Level Rest Client Elasticsearch with cookies authentication. The documentation says ... is a dumb question, Im new with ES. Thanks!...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Flutter saving data dynamically

I want to save data from my TextField in my device. I accomplish this by TextEditingController. But now, I want to do that dynamically ... } catch (e) { return e.toString(); } } }...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to replace @Controller by @RestController?

Here is my TeacherController : @Controller @RequestMapping("/teacherController") public class TeacherController { private static final ... it. Thanks in advance for your help!!!...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python 3.x - ModuleNotFoundError: No module named 'flask_wtf' ... verified installed in virtualenv

My import statements are as follows: from flask_wtf import FlaskForm from wtforms import StringField, PasswordField, BooleanField, ... I fix this? Thank you for you help....

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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selinux - Difference unconfined_u:object_r:admin_home_t:s0 vs system_u:object_r:systemd_unit_file_t:s0

What's the difference in these two contexts SELINUX unconfined_u:object_r:admin_home_t:s0 vs system_u:object_r:systemd_unit_file_t:s0...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How to connect via udp in opencv python?

I'm having trouble connecting via udp gstreamer python. When I enter the command gst-launch-1.0 -v udpsrc port=3000 buffer- ... not ok: print('Cannot read video file') sys.exit()...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - x-axis ticks not appearing in matplotlib graph?

I have a dataframe with a column 'Date' and a column 'Close Price' for the S&P500 from 2010 to 2017. ... handles, labels = ax.get_legend_handles_labels() ax.legend(handles, labels)...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How to replace one dimension of an n-dimensional array with another?

I have a numpy array of shape (4, 30, 13, 7000). This is experimental data. The first three dimensions represent ... s the number of windowed means I get per 7000 ms trial....

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - How to change the state in react with a form

I have a form that is supposed to update the initial state, I've followed many tutorials and my code looks the same as them but ... /> </form> </div> ); } } export default Create;...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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laravel - Required parameter '$routes' missing

There i Have a warning In Laravel 5.5 in This Code: Route::prefix('dashboard')->group(function () { Route::get( ... ); }); i have this warning: Required parameter '$routes' missing...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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reactjs - Socket.io Node.js and React - function multiple execution

I'm trying to send message using Socket.io. When I open chat and send messages it works correctly. The problem is when I ... log(msg); socket.broadcast.emit('incMsg', msg) }) })...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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excel - MATLAB: Scatter Plot with matrix data

I am trying to perform the scatter plot of X and Y matrices, each of size 54x365, with the following code on MATLAB. ... plot. I need help to perform the scatter plot. Thank you....

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How to handle tailwind.config.js in a Gatsby Theme

I am trying to include tailwindcss into my custom Gatsby Theme via twin.macro. I am using yarn workspaces and the project ... some errors along the way ? Any help is appreciated !...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - Swift: How to properly reuse a UICollectionViewCell's CALayerMask property in a UICollectionView

I set my cell's, cell.customView.layer.mask property in the following function: func collectionView(_ collectionView: ... and understanding, I am new to stack overflow :)...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Webpack - net::ERR_ABORTED 404 (Not Found)

I am learning Webpack, after running Webpack with npm run build creating a bundle.js file, then importing the Post module, then exporting to ... 11.1", "webpack-cli": "^4.3.1" } }...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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postgresql - ERROR: connection for foreign table "test_enames" cannot be established

I am getting below error while selecting the foreign table from Postgres & please help me on fixing the issue. ERROR: ... , let me know incase if i missed any steps. Thanks...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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TypeError while using Pool from multiprocessing (python 3.7)

I'm trying to sum up the sizes of all files in a directory including recursive subdirectories. The relevant function (self. ... reason for this problem is and how I can fix this?...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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asp.net mvc - Similar to Page Load Event - MVC

I want to display a list in a div when the view is loaded. I am new to MVC and I don't know where or how to do ... > </div> A nudge to the right direction would help me. Thank you...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How to process this list of oddly structured strings with emoji flags into a dictionary?

Imagine we have a list of strings with defined structure. What would be the simplest strategy to parse such a list to get a dictionary ... , 'TPI Composites': 1.0, 'Fiserv': 0.5, }...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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