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
87
views
1
answer
How to download and save an image in Android
How do you download and save an image from a given url in Android? Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
How
0
votes
792
views
1
answer
Yahoo Finance URL not working
I have been using the following URL to fetch historical data from yahoo finance for quite some time now but ... a different access to their historical data? Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Yahoo
0
votes
251
views
1
answer
Best practices for copying files with Maven
I have config files and various documents that I want to copy from the dev environment to the dev-server ... tasks without fuss and bother. Any advice? Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Best
0
votes
87
views
1
answer
How can I check the system version of Android?
Does anyone know how can I check the system version (e.g. 1.0, 2.2, etc.) programatically? Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
How
0
votes
422
views
1
answer
arrays - What does [].forEach.call() do in JavaScript?
I was looking at some snippets of code, and I found multiple elements calling a function over a node list with ... front of the forEach and how the call works? Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
arrays
0
votes
288
views
1
answer
python - How to sort two lists (which reference each other) in the exact same way
Say I have two lists: list1 = [3, 2, 4, 1, 1] list2 = ['three', 'two', 'four', 'one', 'one2' ... figure out a way to sort both lists together. Is this possible? Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
375
views
1
answer
Excel: last character/string match in a string
Is there an efficient way to identify the last character/string match in a string using base functions? I. ... algorithm. And this solution now seems obsolete. Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Excel:
0
votes
178
views
1
answer
java - Android 5.0 - Add header/footer to a RecyclerView
I spent a moment trying to figure out a way to add a header to a RecyclerView, unsuccessfully. This ... to the LinearLayoutManager would be really appreciated! Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
239
views
1
answer
python - Why does checking a variable against multiple values with `OR` only check the first value?
This question already has answers here: Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
152
views
1
answer
c - returning multiple values from a function
This question already has answers here: Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c
0
votes
795
views
1
answer
abstract syntax tree - get human readable AST from c++ code
In order to get a better understanding of some of the details of the C++ language and grammer, I would love to be ... . Is there an easy way to do this today? Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
abstract
0
votes
147
views
1
answer
Non repeating random numbers in Objective-C
I'm using for (int i = 1, i<100, i++) int i = arc4random() % array count; but I'm getting repeats ... so that when the program loops I will not get any dupe? Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Non
0
votes
225
views
1
answer
Specifying file to process to Perl one-liner
I was given a Perl one-liner. It has the following form: perl -pe'...' How do I specify the file to process to the program? Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Specifying
0
votes
421
views
1
answer
Submitting form to Servlet which interacts with database results in blank page
I've a servlet that checks username and password from database. @Override protected void doPost(HttpServletRequest ... problem be? Please help me troubleshoot. Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Submitting
0
votes
342
views
1
answer
What are the differences between git branch, fork, fetch, merge, rebase and clone?
I want to understand the difference between a branch, a fork and a clone in Git? Similarly, what does it mean ... do they represent? How does GitHub figure in? Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
What
0
votes
354
views
1
answer
version control - How can I make git accept a self signed certificate?
Using Git, is there a way to tell it to accept a self signed certificate? I am using an https server to host ... /, return code 22 fatal: git-http-push failed Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
version
0
votes
464
views
1
answer
JavaScript chop/slice/trim off last character in string
I have a string, 12345.00, and I would like it to return 12345.0. I have looked at trim, but it looks like ... I don't see how this would work. Any suggestions? Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
JavaScript
0
votes
214
views
1
answer
ios - Gradients on UIView and UILabels On iPhone
This question already has answers here: Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ios
0
votes
280
views
1
answer
Set icon for Android application
How can I set an icon for my Android application? Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Set
0
votes
191
views
1
answer
python - Determine function name from within that function (without using traceback)
In Python, without using the traceback module, is there a way to determine a function's name from within that ... == how do I calculate this at runtime? Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
180
views
1
answer
What are all the different ways to create an object in Java?
Had a conversation with a coworker the other day about this. There's the obvious using a constructor, but what are the other ways there? Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
What
0
votes
92
views
1
answer
How do I detect whether a Python variable is a function?
I have a variable, x, and I want to know whether it is pointing to a function or not. I had hoped I could do ... that is because >>> type(x) <type 'function'> Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
How
0
votes
254
views
1
answer
linux - How to make a program continue to run after log out from ssh?
This question already has answers here: Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
linux
0
votes
382
views
1
answer
python - Keep only date part when using pandas.to_datetime
I use pandas.to_datetime to parse the dates in my data. Pandas by default represents the dates with datetime64[ ... the time part while working with daily data? Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
282
views
1
answer
html - "X-UA-Compatible" content="IE=9; IE=8; IE=7; IE=EDGE"
<meta http-equiv="X-UA-Compatible" content="IE=9; IE=8; IE=7; IE=EDGE" /> Actually what is the meaning of ... to know that. Edit: I am using <!DOCTYPE html> Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
html
0
votes
398
views
1
answer
jsf 2 - Retaining GET request query string parameters on JSF form submit
I have 3 pages: main.xhtml agreement.xhtml generated.xhtml The agreement.xhtml needs two parameters to load correctly: ... =true", but still nothing. Any ideas? Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
jsf
0
votes
218
views
1
answer
java - Is there a "word wrap" property for JLabel?
I am displaying some text in a JLabel. Basically I am generating that text dynamically, and then I apply some HTML tags ... in Note Pad. How can I do that? Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
365
views
1
answer
Convert Python sequence to NumPy array, filling missing values
The implicit conversion of a Python sequence of variable-length lists into a NumPy array cause the array to be of type object. ... 1, 0], [1, 2]], dtype=int32) Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Convert
Page:
« prev
1
...
394
395
396
397
398
399
400
401
402
403
404
...
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] react hooks 使用userState获取不到最新值?
[2] 测量插件的长度单位如何转换?
[3] 局域网 mac windows 如何共享剪贴板?
[4] java 这段代码有疑问,求解
[5] ImportError: cannot import name 'ranked_blast_output_schema' from 'param'
[6] document.execCommand("copy"),怎么在页面加载完毕之后自动执行
[7] Is it wrong to assume that Github will retain the data in the database from Android Studio?
[8] canvas画出来的字体颜色和dom渲染的字体颜色有色差
[9] Azure batch does not refresh cached containers in the pool
[10] r markdown - Advanced `data.table` working fine when run in chunk but error when `knit2html`
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
...