OStack Q&A-Knowledge Sharing Community

0 votes

511 views

1 answer

c++ - Initializer-list-constructing a vector of noncopyable (but movable) objects

One can push_back rvalues of a noncopyable-but-movable type into a vector of that type: #include <vector> struct S ... handy at the moment... See Question&Answers more detail:os...

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

0 votes

472 views

1 answer

javascript - Focus tab or window

for a little app, I'm opening a few windows/tabs from my script. Whether the browser opens a window or ... anything related. How to configure ? See Question&Answers more detail:os...

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

0 votes

757 views

1 answer

javascript - Can I prevent phone from sleep on a webpage

In app I can use http://developer.android.com/reference/android/os/PowerManager.WakeLock.html but is there a way ... runs at least on android. See Question&Answers more detail:os...

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

0 votes

1.6k views

1 answer

python - How to select a specific input device with PyAudio

When recording audio via PyAudio, how do you specify the exact input device to use? My computer has two ... the devices they refer to? See Question&Answers more detail:os...

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

0 votes

1.3k views

1 answer

javascript - MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 message lis teners added. Use emitter.setMaxListeners() to increase limit

I know this might flag as a duplicate solution but the solution on stack overflow is not working for me. Problem (node:5716) ... ; }); } }); }; See Question&Answers more detail:os...

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

0 votes

427 views

1 answer

What are the differences between perl and java regex capabilities?

What are the differences between perl and java with regard to what regular expression terms are supported? ... variable length look-behinds. See Question&Answers more detail:os...

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

0 votes

556 views

1 answer

validation - jquery get only all html elements with ids

I have a div with many many html elements like other divs, trs, tds, tables etc Is it possible to get all the ... "#") or something like this?! See Question&Answers more detail:os...

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

0 votes

586 views

1 answer

r - Transpose a List of Lists

I have a list which contains list entries, and I need to transpose the structure. The original structure is ... idiomatic way of doing this? See Question&Answers more detail:os...

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

0 votes

418 views

1 answer

javascript - Crossbrowser equivalent of explicitOriginalTarget event parameter

Does anyone know of crossbrowser equivalent of explicitOriginalTarget event parameter? This parameter is Mozilla specific and ... }); Thanks. See Question&Answers more detail:os...

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

0 votes

616 views

1 answer

String interpolation in YAML

In Perl I can do something like the following: my $home = "/home"; my $alice = "$home/alice"; Can I do ... effectively /home/alice in the end? See Question&Answers more detail:os...

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

0 votes

680 views

1 answer

rodbc - Failure to connect to odbc database in R

I've been trying to connect my company's DMS to R using the odbcConnect command, but get the following ... specified and working). Thanks! See Question&Answers more detail:os...

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

0 votes

532 views

1 answer

javascript - jQuery 3 slim ajax basic example

I'm new to jQuery 3. The following is a basic fiddle, working with previous versions of jQuery, but does not work ... not a function( ) Why ? See Question&Answers more detail:os...

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

0 votes

759 views

1 answer

javascript - Module build failed (from ./node_modules/babel-loader/lib/index.js): Error: Cannot find module 'babel-preset-react'

I'm stuck with the following error when trying to build a react app with Webpack4 and Babel7. ERROR in ./src/ ... ", "@babel/preset-react"] } See Question&Answers more detail:os...

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

0 votes

394 views

1 answer

How to convert a Spring-Boot web service into a Docker image?

I want to access my website from a Docker container but I can't. The steps I am trying to implement are as ... How can I access my web page? See Question&Answers more detail:os...

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

0 votes

492 views

1 answer

sql - Oracle DB quote column names

When using regular tables, its fine to use the following Oracle SQL query: SELECT max(some_primary_key) FROM MyTable ... , but not with Tables? See Question&Answers more detail:os...

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

0 votes

370 views

1 answer

java - Show Column Header on dragging column

i implement the code in GroupableHeader and try to enable the reordering allowed but i have two problems: 1: ... for solving these problems? See Question&Answers more detail:os...

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

0 votes

572 views

1 answer

javascript - console.log(myFunction()) returns undefined

I'm new to JavaScript, and I try to play around with it to understand all in-and-outs. I write function ... be is not defined, not undefined See Question&Answers more detail:os...

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

0 votes

591 views

1 answer

java - UTF-8 text (Hindi) not getting displayed on Browser window or Eclipse console

I have to display text in Hindi (or any regional language) on the browser screens. I will be getting this ... -config> But still no success! See Question&Answers more detail:os...

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

0 votes

500 views

1 answer

Most efficient way to find all exe files on disk using C#?

What is the most efficient way to find all exe files on disk using C#? It will be done in background thread ... should be as small as possible. See Question&Answers more detail:os...

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

0 votes

389 views

1 answer

How do I edit PHP variable with JavaScript/jQuery?

I want to update a PHP variable $LinkOpen based on the current state of a checkbox element .avflipswitch. Based ... "></gcse:searchresults-only> See Question&Answers more detail:os...

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

0 votes

578 views

1 answer

python - Sieve of Eratosthenes - Primes between X and N

I found this highly optimised implementation of the Sieve of Eratosthenes for Python on Stack Overflow. I have a ... primes between x and n See Question&Answers more detail:os...

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

0 votes

630 views

1 answer

java - Images in ScrollView in android

In my app I want to place a .png file and I want it to be viewed as a scrolled image at both landscape and ... , suggest a code or example.... See Question&Answers more detail:os...

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

0 votes

375 views

1 answer

python - How does one use the store parameter of function fields?

I've tried reading the docs, but it's a bit confusing. Also, does store work with any other field types? See Question&Answers more detail:os...

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

0 votes

657 views

1 answer

Rails Scoping For has_many :through To Access Extra Data

As we know, in rails you can add extra attributes to your has_many :through join model I'd like to extract the ... you don't get that often! See Question&Answers more detail:os...

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

0 votes

614 views

1 answer

javascript - Closures in a for loop and lexical environment

Simple case: I want to load several images which have a common name and a suffix, e.g: image0.png, image1. ... can I get my desired behavior? See Question&Answers more detail:os...

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

0 votes

623 views

1 answer

How to force an app to change language in iOS/Objective-C?

I'm having a problem with make app change language immediately like this app. I've found a lot of similar ... Any ideas? Thank in advance. See Question&Answers more detail:os...

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

0 votes

497 views

1 answer

python - Access the sole element of a set

I have a set in Python from which I am removing elements one by one based on a condition. When the set is left with ... for e in S: # return S See Question&Answers more detail:os...

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

0 votes

508 views

1 answer

jquery - How to delay execution in between the following in my javascript

I want to delay execution in betwen the follwoing codes: $("#myName").val("Tom"); ///delay by 3s $("#YourName") ... $("#hisName").val("Kids"); 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