Jonic Developer Community

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Welcome to Our Knowledge Sharing Community-Open, Learning,Share

Welcome to developer's Knowledge Sharing Community-Open, Learning,Share 欢迎来到程序员专属的知识分享社区! 一个分享知识，传递知识，学习知识的社区！...

asked Feb 5, 2021 in Others[杂七杂八] by ostack (1.4k points)

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524 views

1 answer

Java error "Value of local variable is not used"

I am really new to java (started learning 2 days ago). Sorry if this is a stupid question. I am trying to learn how to use rt.exec & similar methods ... I don't know how. Would be nice if someone helped. See Question&Answers more detail:os...

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

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664 views

1 answer

machine learning - How to create caffe.deploy from train.prototxt

This is my train.prototxt. And this is my deploy.prototxt. When I want to load my deploy file I get this error: File "./python/caffe/classifier.py", ... should I do to fix it and create my deploy file? See Question&Answers more detail:os...

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

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501 views

1 answer

Google Apps Marketplace SDK + Domain-wide OAuth 2 SSO

We've been working on an Google Apps-app meant to be installed by a domain administrator. We initially tried to list it via the (now deprecated ... being asked for (presumably already granted) consent? See Question&Answers more detail:os...

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

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691 views

1 answer

assembly - Using ymm registers as a "memory-like" storage location

Consider the following loop in x86: ; on entry, rdi has the number of iterations .top: ; some magic happens here to calculate a result in rax mov [ ... , but we can still consider solutions that use them. See Question&Answers more detail:os...

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

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389 views

1 answer

javascript - How to detect if a point is in a Circle?

How can I test if a LatLng point is within the bounds of a circle? (Google Maps JavaScript v3) The getBounds() method returns the bounding box for the ... the bounding box, you'll get the wrong answer. See Question&Answers more detail:os...

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

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328 views

1 answer

How to write Case Sensitive Query for MS Access?

I want to know the Select Query for MS Access with case sensitive. I have two values for VitualMonitorName as below VCode VirtualMonitorName Row 1 (1, 'VM1'); Row ... Vm1 + "'"; It replies VCode = 1 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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642 views

1 answer

multithreading - Python Tkinter Label redrawing every 10 seconds

I have this following Python Tkinter code which redraw the label every 10 second. My question is , to me it seems like it is drawing the new label ... what are the general cases i could use threading? See Question&Answers more detail:os...

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

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423 views

1 answer

Loading multiple images in MATLAB

Here is the desired workflow: I want to load 100 images into MATLAB workspace Run a bunch of my code on the images Save my output (the output returned by ... images 1-100. How would I go about doing that? See Question&Answers more detail:os...

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

0 votes

350 views

1 answer

javascript - Convert string array to integer array

I have an array of strings like ['2', '10', '11'] and was wondering what's the most efficient way of converting it to an integer array. Should I ... to an integer or is there a function that does this? See Question&Answers more detail:os...

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

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707 views

1 answer

r - ggplot2, geom_bar, dodge, order of bars

I'd like to have ordered bars in dodge geom_bar. Do you know how to deal with it? My code: ttt <- data.frame(typ=rep(c("main", "boks", "cuk" ... the problem: What I have: What I would like to have: See Question&Answers more detail:os...

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

0 votes

455 views

1 answer

c - CMake cross-compile with specific linker doesn't pass arguments to armlink

I am trying to cross-compile a project for embedded ARM Cortex builds, but I am unable to get the linker working. I want to use armlink, but no ... =off CMakeFiles/blinky.dir/blinky.c.o -o blinky.elf See Question&Answers more detail:os...

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

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856 views

1 answer

windows installer - How to uninstall MSI using its Product Code in c#

I know We can uninstall a windows application using its MSI by passing command arguments as follows, Process p = new Process(); p.StartInfo.FileName = " ... need to have the MSI in the target machine. See Question&Answers more detail:os...

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

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245 views

1 answer

Best practice for using $rootscope in an Angularjs application?

We have a large Angularjs 1.6 application that has $rootscope scattered throughout the app in over 200 places in filters, services, routes, etc.. so ... t really see this explained in the Angularjs docs. See Question&Answers more detail:os...

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

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461 views

1 answer

C# Put string into TextBox

I want to show the results of this code in my TextBox: string txtout1 = txtOrgText.Text.Replace(parm, txtTo.Text).ToString(); txtout = txtout1; ... I used Threading, without Threading it works fine. See Question&Answers more detail:os...

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

0 votes

698 views

1 answer

Convert binary string representation of a byte to actual binary value in Python

I have a binary string representation of a byte, such as 01010101 How can I convert it to a real binary value and write it to a binary file? See Question&Answers more detail:os...

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

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1.2k views

1 answer

asp.net - "StartTag: invalid element name" in default.aspx

(Warning - asp newbie) I have an aspx file with the tag <%@ Page Language=VB ... %> right at the beginning of the file. When calling this from my ... page up to the first error. What am I doing wrong? See Question&Answers more detail:os...

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

0 votes

411 views

1 answer

Can you use C++ DLLs in C# code in a UWP?

I wrote a C++ Class Library in Visual Studio that just defines a function that invokes some Python: #pragma once #include <Python.h> extern "C" ... everyone permissions) but the error still comes up. See Question&Answers more detail:os...

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

0 votes

385 views

1 answer

java - Groovy collections performance considerations regarding space/time

What is the performance of Groovys collection methods (regarding space(!) and time) in comparison to plain Java for-loops? Eg for this use cases: sum() vs. for ... sum + el } return n } } bm.prettyPrint() See Question&Answers more detail:os...

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

0 votes

308 views

1 answer

php - Getting FULL URL with #tag

Tried to print the $_SERVER array in PHP, yet I can't find what I want: http://www.domain.com/#sometaginpage I want the "sometaginpage". Help. Thanks! See Question&Answers more detail:os...

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

0 votes

537 views

1 answer

html - CSS shape with inset curve and transparent background

I need to create a CSS shape like this image.. Please check this fiddle of my work I have created something like that, but I cannot give a curve to it. ... height: 0; width: 200px; } Can anyone help me? See Question&Answers more detail:os...

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

0 votes

453 views

1 answer

time - Android problem finding out how recent latest GPS fix is

My app uses LocationListener to keep track of the current location. So long as the GPS Provider is providing regular fixes this works well. However, I ... a difference of around 20 seconds is normal? See Question&Answers more detail:os...

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

0 votes

688 views

1 answer

datetime - Convert UTC string to time object

I have this datetime, or something that looks like it. 2014-11-17 23:02:03 +0000 UTC I want to convert this to a time object and I've been ... updatedAtVar) How do I create a time object from a string? See Question&Answers more detail:os...

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

0 votes

392 views

1 answer

python - Installing python3 in a python2 virtual environment

I have a Flask application that is running in a Python 2 virtual environment. I'm looking to run a Python 3 program, so I need to install ... to recreate the environment? Is this a difficult migration? See Question&Answers more detail:os...

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

0 votes

509 views

1 answer

promise - AngularJS $q. Deferred queue

I have array (f.e. it is queue of files): [{deferred: fileDef, data: file}, {...}, ...] Each fileDef and file send to upload function which return ... }) } } } But it seems bad. How to write better? See Question&Answers more detail:os...

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

0 votes

359 views

1 answer

Dynamic conversion of string into column name. MySQL

I have two tables: items and orders items -------------- id (int) | type_1 (int) | type_2 (int)| orders -------------- ... transaction_type from orders where id=1, cannot be converted into column name. See Question&Answers more detail:os...

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

0 votes

666 views

1 answer

c# - no overload for method "ToString" takes 1 arguments

I have a data reader to read the datas from database. I am reading TotalPrice from sales table. I would like to show the total price as 2 decimal place ... " takes 1 arguments What's wrong with the code? See Question&Answers more detail:os...

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

0 votes

544 views

1 answer

java - Javafx error exception in Application start method no controller specified

When I run the following code in intellij with java 8 I get an error. Please Help. The fxml is generated using the scene builder, I ... WinApplication$$Lambda$38/184875764.run(Unknown Source) ... 1 more See Question&Answers more detail:os...

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

0 votes

663 views

1 answer

c++ - How bad is redefining/shadowing a local variable?

While upgrading a legacy project to VS2015, I noticed there were a lot of errors where a local variable was redefined inside a function for example. void fun() ... to cause any harm and is low or no risk? See Question&Answers more detail:os...

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

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