OStack Q&A-Knowledge Sharing Community

0 votes

279 views

1 answer

Sum all the digits of a number Javascript

I am newbie. I want to make small app which will calculate the sum of all the digits of a number. For example, ... the final result will be 3 . Please help me Question&Answers:os...

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

0 votes

191 views

1 answer

css - Why does 'overflow: auto' clear floats? And why are clear floats needed?

My question arose when I created my (first ever!) two columns. I have a wrapper for my left and right ... Any help is appreciated for this noobie. Thanks! Question&Answers:os...

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

0 votes

111 views

1 answer

What is the difference between local and instance variables in Java?

Except the scope and the storage differences, are there any other major difference between instance and local variables in Java? Question&Answers:os...

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

0 votes

404 views

1 answer

php - How to add anchor tag to a URL from text input

I want to be able to take user inputted text in a comment field and check for URL type expression, and if it exists, ... .us/">http://checkthis.us/</a></div> Question&Answers:os...

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

0 votes

1.7k views

1 answer

web applications - How to output an Excel *.xls file from classic ASP

I have a number of generated html tables that I need to output as an Excel file. The site is codded in ... site is either unavailable or cannot be found." Question&Answers:os...

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

0 votes

248 views

1 answer

How to get the last five characters of a string using Substring() in C#?

I can get the first three characters with the function below. However, how can I get the output of the last five characters ( ... : {0}", sub); // Output One. } Question&Answers:os...

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

0 votes

522 views

1 answer

apache - Find out how PHP is running on server (CGI OR fastCGI OR mod_php)

I use shared hosting. There is possible to find out whether PHP is running via fastCGI (or maybe CGI) or as ... find out by myself, without asking the hoster? Question&Answers:os...

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

0 votes

97 views

1 answer

Convert json to a C# array?

Does anyone know how to convert a string which contains json into a C# array. I have this which reads the text/ ... the other way around. Thanks for the help! Question&Answers:os...

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

0 votes

309 views

1 answer

php - Check whether $_POST-value is empty

if(isset($_POST['submit'])) { if(!isset($_POST['userName'])) { $username = 'Anonymous'; } else $username = ... either blank or the value of $_POST['userName']. Question&Answers:os...

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

0 votes

628 views

1 answer

javascript - Displaying pdf from arraybuffer

I am returning stream data from laravel dompdf from this code $pdf = App::make('dompdf.wrapper'); $pdf->loadHTML(" ... to fix this. How to display pdf file. Question&Answers:os...

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

0 votes

347 views

1 answer

.net - C# - Fill a combo box with a DataTable

I'm used to work with Java where large amounts of examples are available. For various reasons I had to ... this.BindingContext; at the end solved the problem! Question&Answers:os...

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

0 votes

179 views

1 answer

c++ - Win32 programming hiding console window

I'm learning C++ and I made a new program. I deleted some of my code and now my console window is not ... to make it hide on startup without them seeing it? Question&Answers:os...

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

0 votes

1.0k views

1 answer

printing - Is there a good reason to use "printf" instead of "print" in java?

I haven't had the chance to take any serious low-level programming courses in school. (I know I really should ... display using some kind of UI function, right? Question&Answers:os...

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

0 votes

251 views

1 answer

python - Saving upload in Flask only saves to project root

When I upload a new file, it saves to the application root folder, even though I specified a different ... config.from_object('config') from app import views Question&Answers:os...

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

0 votes

357 views

1 answer

html - Add padding at the beginning and end of each line of text

I've got a span which goes over a number of lines and has a background colour. I need each of the lines ... have any ideas of how to achieve this? Cheers Question&Answers:os...

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

0 votes

268 views

1 answer

android - Adding a drawableLeft to an EditText shifts the hint towards right, if edittext is inside TextInputlayout

I have make an EditText inside TextInputLayout. I am setting a drawableLeft to an EditText at runtime in my code, but ... in hint, so help me to resolve this!! Question&Answers:os...

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

0 votes

1.1k views

1 answer

selenium.common.exceptions.ElementClickInterceptedException: Message: element click intercepted: Element is not clickable with Selenium and Python

I am currently working on a project which fills a form automatically. And the next button appears when the form is ... . (Session info: chrome=76.0.3809.132) Question&Answers:os...

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

0 votes

371 views

1 answer

apache - Apache2 ProxyPass for Rails App Gitlab

I am attempting to setup a proxy with Apache2 so that incoming requests to http://myipaddress.com go to ... all Options -MultiViews </Directory> </VirtualHost> Question&Answers:os...

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

0 votes

115 views

1 answer

android - One Google Maps key for all developers?

We are using a Google MapView in our application but on different computers we must use different API keys, otherwise ... way to set one key for all developers? Question&Answers:os...

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

0 votes

216 views

1 answer

c - Order of operations for pre-increment and post-increment in a function argument?

This question already has answers here: Question&Answers:os...

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

0 votes

401 views

1 answer

c++ - Error LNK2019 unresolved external symbol _main referenced in function "int __cdecl invoke_main(void)" (?invoke_main@@YAHXZ)

Error: Severity Code Description Project File Line Error LNK2019 unresolved external symbol _main referenced in function "int ... } } } return msg.wParam; } Question&Answers:os...

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

0 votes

673 views

1 answer

language design - Why don't PHP attributes allow functions?

I'm pretty new to PHP, but I've been programming in similar languages for years. I was flummoxed by the ... " or sloppy implementation? What's the rationale? Question&Answers:os...

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

0 votes

90 views

1 answer

java - Calling super super class method

Let's say I have three classes A, B and C. B extends A C extends B All have a public void foo() method ... but it's invalid syntax. How can I achieve this? Question&Answers:os...

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

0 votes

135 views

1 answer

html - Tab Index on div

Please see the form HTML code below <form method="post" action="register"> <div class="email"> Email <input ... TAB when the cursor is at email input field? Question&Answers:os...

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

0 votes

157 views

1 answer

PHP: Get the key from an array in a foreach loop

This question already has answers here: Question&Answers:os...

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

0 votes

734 views

1 answer

shell - What does the Bash operator <<< (i.e. triple less than sign) mean?

What does the triple-less-than-sign bash operator, <<<, mean, as inside the following code block? LINE="7.6.5. ... does $IFS remain to be a space, not a period? Question&Answers:os...

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

0 votes

97 views

1 answer

java - Why can't we use '==' to compare two float or double numbers

This question already has answers here: Question&Answers:os...

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

0 votes

136 views

1 answer

gcc-4.2 failed with exit code 1 iphone

I've seen this error with different variations on discussion forums but being a non programmer I'm not sure how ... error in the Message window. Any thoughts? Question&Answers:os...

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

Categories

Recent questions

Just Browsing Browsing

Most popular tags