Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Login
Remember
Register
Ask
Q&A
All Activity
Hot!
Unanswered
Tags
Users
Ask a Question
Recent
Hot!
Most votes
Most answers
Most views
Ask a Question
Categories
All categories
Topic[话题] (13)
Life[生活] (4)
Technique[技术] (2.1m)
Idea[创意] (3)
Jobs[工作] (2)
Others[杂七杂八] (18)
Code Example[编程示例] (0)
Recent questions
0
votes
281
views
1
answer
How to add custom font in react native android
I want to set fontFamily to roboto thin of my toolbar title. I have added roboto thin ttf in assets/fonts folder ... issue. What's the reason? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
How
0
votes
1.1k
views
1
answer
c# - Re-Send HttpRequestMessage - Exception
I want to send the exact same request more than once, for example: HttpClient client = new HttpClient(); ... like headers and request method. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c#
0
votes
514
views
1
answer
conflicting types error when compiling c program using gcc
I tried to compile following program with gcc. 0 #include <stdio.h> 1 2 main () 3 4 { 5 char ... explain why the problem happens? Thanks! See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
conflicting
0
votes
347
views
1
answer
python - Sorting a pandas series
I am trying to figure out how to sort the Series generated as a result of a groupby aggregation in a smart way ... can I get this sort working? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
252
views
1
answer
How to sort an array in Ruby to a particular order?
I want to sort an array in particular order given in another array. EX: consider an array a=["one", "two" ... be two one three Any suggestions? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
How
0
votes
268
views
1
answer
How do I convert a list to a tuple in Haskell?
How can I best convert a list to a tuple in Haskell: [1,2,3,4,5,6] -> (1,2,3,4,5,6) See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
How
0
votes
1.5k
views
1
answer
selenium - "Failed to decode response from marionette" message in Python/Firefox headless scraping script
Good Day, I've done a number of searches on here and google and yet to find a solution that address this ... why I am stuck with Firefox. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
selenium
0
votes
453
views
1
answer
python - pandas filtering and comparing dates
I have a sql file which consists of the data below which I read into pandas. df = pandas.read_sql('Database count ... ). How should I do this? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
599
views
1
answer
Spring Boot Inherit application.properties from dependency
Let's say I have 5 Spring Boot Projects. All of them have a Maven dependency on a Spring Boot project No 6 with ... (Project1.class), args); } } See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Spring
0
votes
820
views
1
answer
scala - Exploding nested Struct in Spark dataframe
I'm working through a Databricks example. The schema for the dataframe looks like: > parquetDF.printSchema root |-- ... ($"department") { ^ See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
scala
0
votes
704
views
1
answer
recursion - Javascript - deepEqual Comparison
Question (From Eloquent Javascript 2nd Edition, Chapter 4, Exercise 4): Write a function, deepEqual, that takes ... me in the right direction? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
recursion
0
votes
430
views
1
answer
c++ - When do programmers use Empty Base Optimization (EBO)
I was reading about Empty Base Optimization(EBO). While reading, the following questions popped up in my mind: What is ... at loss in ANY way? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
828
views
1
answer
macos - Android Studio Emulator "/dev/kvm is not found"
Couldn't use x86 emulators, AVD manager shows warning "/dev/kvm is not found" and telling me to edit BIOS security setting to enable VT-x. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
macos
0
votes
381
views
1
answer
javascript - "Permission denied" with Internet Explorer and jQuery
I try to do an AJAX call with jQuery and $.post in Internet Explorer, but all I get is an error saying ... //t1318.greatnet.de/ietest/test.html See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
javascript
0
votes
421
views
1
answer
sql - How to select the first N rows of each group?
I have two SQLite tables like this: AuthorId | AuthorName ---------------------- 1 | Alice 2 | Bob 3 ... or top). The problem is with the two). See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
sql
0
votes
374
views
1
answer
cross-browser resize browser window in JavaScript
I would like to be able to resize the browser window with JavaScript. I don't want to use jQuery, and the ... --same as--> browser compatibility See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
cross-browser
0
votes
344
views
1
answer
How to link assets/www folder in Eclipse / Phonegap / Android project?
I am working on a PhoneGap app that is supposed to run on iOS and Android. My folder structure looks like this: ... idea what I am doing wrong? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
How
0
votes
508
views
1
answer
Unable to import Maven project into IntelliJ IDEA
I'm having problems importing any Maven projects into IntelliJ IDEA. I create an empty Maven project like ... java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:351) at java....
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Unable
0
votes
405
views
1
answer
How can I convert a Java HashSet<Integer> to a primitive int array?
I've got a HashSet<Integer> with a bunch of Integers in it. I want to turn it into an array, but calling ... ((int[]) hashSet.toArray()); See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
How
0
votes
804
views
1
answer
How can I hide the password entered via a JavaScript dialog prompt?
How can I hide the password entered by a user in a dialog prompt in JavaScript? For example, using something ... or provide some example code? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
How
0
votes
775
views
1
answer
postgresql - Selecting rows ordered by some column and distinct on another
Related to - PostgreSQL DISTINCT ON with different ORDER BY I have table purchases (product_id, purchased_at, address_id) ... way to fix it? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
postgresql
0
votes
363
views
1
answer
javascript - Node.js - wait for multiple async calls
I'm trying to make multiple MongoDB queries before I render a Jade template, but I can't quite figure out how to ... , NJlakes: NJLakes }); }; See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
javascript
0
votes
611
views
1
answer
java - error: type List does not take parameters
I get the following error despite it's exactly one used in examples: error: type List does not take parameters ... class is NOT named ArrayList. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
803
views
1
answer
trigger file upload dialog using javascript/jquery
instead of using <input type="file">, is it possible to use <input type="text"> and then script it using ... when it's submitted into a form) See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
trigger
0
votes
674
views
1
answer
Styling default JavaFX Dialogs
I'm looking for a way to style the default JavaFX Dialog (javafx.scene.control.Dialog). I tried to get the DialogPane ... -fx-font-size: 2em; } See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Styling
0
votes
417
views
1
answer
Opengl pixel perfect 2D drawing
I'm working on a 2d engine. It already works quite good, but I keep getting pixel-errors. For example, my ... { gl_FragColor = vColor.rgb; } See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Opengl
0
votes
579
views
1
answer
algorithm - Why is Insertion sort better than Quick sort for small list of elements?
Isn't Insertion sort O(n^2) > Quicksort O(n log n)...so for a small n, won't the relation be the same? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
algorithm
0
votes
381
views
1
answer
Best way to prevent/handle divide by 0 in javascript
What is the best way to prevent divide by 0 in javascript that is accepting user inputs. If there is no ... Any insights are much appreciated. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Best
Page:
« prev
1
...
676
677
678
679
680
681
682
683
684
685
686
...
715
next »
Ask a question:
Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Click Here to Ask a Question
Just Browsing Browsing
[1] 为什么我设置了Git push的时候忽略了这个配置文件。为什么提交的时候。还是会提示出来呢?为什么没有隐藏这个文件呢?
[2] java - dynamically change val in android library
[3] 如何在vue项目中使用jsmid
[4] Springboot 项目cpu占用高
[5] elasticsearch - Elastic cannot find nested element
[6] python - Most efficient method for updating multiple columns in a single dataframe row
[7] 这个rsa算法哪里出错了呢? 为什么算的不对
[8] vue3.0 reactive([1,2,3]) 的数组怎么在tempalte里面渲染?
[9] JavaMail 使用 网易163邮箱,发送时 异常:554 DT:SPM,加了抄送人也没用
[10] Write to standard error in powershell fails jenkins job?
2.1m
questions
2.1m
answers
60
comments
57.0k
users
Most popular tags
javascript
python
c#
java
How
android
c++
php
ios
html
sql
r
c
node.js
.net
iphone
asp.net
css
reactjs
jquery
ruby
What
Android
objective
mysql
linux
Is
git
Python
windows
Why
regex
angular
swift
amazon
excel
algorithm
macos
Java
visual
how
bash
Can
multithreading
PHP
Using
scala
angularjs
typescript
apache
spring
performance
postgresql
database
flutter
json
rust
arrays
C#
dart
vba
django
wpf
xml
vue.js
In
go
Get
google
jQuery
xcode
jsf
http
Google
mongodb
string
shell
oop
powershell
SQL
C++
security
assembly
docker
Javascript
Android:
Does
haskell
Convert
azure
debugging
delphi
vb.net
Spring
datetime
pandas
oracle
math
Django
联盟问答网站-Union QA website
Xstack问答社区
生活宝问答社区
OverStack问答社区
Ostack问答社区
在这了问答社区
在哪了问答社区
Xstack问答社区
无极谷问答社区
TouSu问答社区
SQlite问答社区
Qi-U问答社区
MLink问答社区
Jonic问答社区
Jike问答社区
16892问答社区
Vigges问答社区
55276问答社区
OGeek问答社区
深圳家问答社区
深圳家问答社区
深圳家问答社区
Vigges问答社区
Vigges问答社区
在这了问答社区
DevDocs API Documentations
Xstack问答社区
生活宝问答社区
OverStack问答社区
Ostack问答社区
在这了问答社区
在哪了问答社区
Xstack问答社区
无极谷问答社区
TouSu问答社区
SQlite问答社区
Qi-U问答社区
MLink问答社区
Jonic问答社区
Jike问答社区
16892问答社区
Vigges问答社区
55276问答社区
OGeek问答社区
深圳家问答社区
深圳家问答社区
深圳家问答社区
Vigges问答社区
Vigges问答社区
在这了问答社区
在这了问答社区
DevDocs API Documentations
Xstack问答社区
生活宝问答社区
OverStack问答社区
Ostack问答社区
在这了问答社区
在哪了问答社区
Xstack问答社区
无极谷问答社区
TouSu问答社区
SQlite问答社区
Qi-U问答社区
MLink问答社区
Jonic问答社区
Jike问答社区
16892问答社区
Vigges问答社区
55276问答社区
OGeek问答社区
深圳家问答社区
深圳家问答社区
深圳家问答社区
Vigges问答社区
Vigges问答社区
在这了问答社区
DevDocs API Documentations
广告位招租
Recent questions
...