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
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)
Hot questions
0
votes
489
views
1
answer
css - How to make an inline-block element fill the remainder of the line?
Is such a thing possible using CSS and two inline-block (or whatever) DIV tags instead of using a table? ... property is not really supported. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
css
0
votes
414
views
1
answer
What is the <=> ("spaceship", three-way comparison) operator in C++?
While I was trying to learn about C++ operators, I stumbled upon a strange comparison operator on cppreference. ... about the<=>operator. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
What
0
votes
410
views
1
answer
linux - "No such file or directory" error when executing a binary
I was installing a binary Linux application on Ubuntu 9.10 x86_64. The app shipped with an old version of gzip (1.2 ... 18: 08048b0c 152 FUNC WEAK DEFAULT UND fflush@GLIBC_2.0 (3)...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
linux
0
votes
235
views
1
answer
Getting strings recognized as variable names in R
Related: Strings as variable references in R Possibly related: Concatenate expressions to subset a dataframe I've ... the symbol function? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Getting
0
votes
992
views
1
answer
regex - How to do a non-greedy match in grep?
I want to grep the shortest match and the pattern should be something like: <car ... model=BMW ...> .. ... and the input is multiple lines. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
regex
0
votes
475
views
1
answer
javascript - Center Google Maps (V3) on browser resize (responsive)
I have a Google Maps (V3) in my page at 100% page width with one marker in the middle. When I resize my ... ) { map.setCenter(center); }); See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
javascript
0
votes
352
views
1
answer
javascript - jQuery get the location of an element relative to window
Given an HTML DOM ID, how to get an element's position relative to the window in JavaScript/JQuery? This is ... of the screen that invokes it. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
javascript
0
votes
543
views
1
answer
apache spark - How DAG works under the covers in RDD?
The Spark research paper has prescribed a new distributed programming model over classic Hadoop MapReduce, claiming the ... the source code? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
apache
0
votes
290
views
1
answer
Getting the parent of a directory in Bash
If I have a file path such as... /home/smith/Desktop/Test /home/smith/Desktop/Test/ How do I change ... home/smith/Desktop /home/smith/Desktop/ See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Getting
0
votes
652
views
1
answer
macos - How to run C program on Mac OS X using Terminal?
I am new to C. Here is my "Hello,world!" program. #include <stdio.h> int main(void) { printf(" ... denied MacBook-Pro-MacBook:~ macbook$ Why? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
macos
0
votes
334
views
1
answer
C++ - passing references to std::shared_ptr or boost::shared_ptr
If I have a function that needs to work with a shared_ptr, wouldn't it be more efficient to pass it a reference ... , if you know what I mean. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
C++
0
votes
294
views
1
answer
java - Eclipse: Exclude specific packages when autocompleting a class name
When auto-completing a class name in Eclipse, e.g. if you type: ListITab A pop-up menu appears offering you ... pop-up menu. Is this possible? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
157
views
1
answer
Fail during installation of Pillow (Python module) in Linux
I'm trying to install Pillow (Python module) using pip, but it throws this error: ValueError: jpeg is required ... hints how to deal with it? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Fail
0
votes
889
views
1
answer
datetime - Understanding dates and plotting a histogram with ggplot2 in R
Main Question I'm having issues with understanding why the handling of dates, labels and breaks is not working as I ... like so (result here). See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
datetime
0
votes
1.1k
views
1
answer
django class-based views with inline model-form or formset
I have the following models: class Bill(models.Model): date = models.DateTimeField(_("Date of bill"),null=True ... not for the admin-interface). See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
django
0
votes
264
views
1
answer
ios - iBeacon Notification when the app is not running
I managed to make an iBeacon which triggers a local push notification on my iPhone when the beacon is in range ... I accomplish this? Thanks! See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ios
0
votes
681
views
1
answer
iteration - How do I iterate through children elements of a div using jQuery?
I have a div and it has several input elements in it... I'd like to iterate through each of those elements. Ideas? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
iteration
0
votes
614
views
1
answer
MySQL Incorrect datetime value: '0000-00-00 00:00:00'
I've recently taken over an old project that was created 10 years ago. It uses MySQL 5.1. Among other things, ... I have to update every value? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
MySQL
0
votes
123
views
1
answer
How to create a file in Ruby
I'm trying to create a new file and things don't seem to be working as I expect them too. Here's what I' ... a Ruby script. What am I missing? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
How
0
votes
690
views
1
answer
dart - How can I dismiss the on screen keyboard?
I am collecting user input with a TextFormField and when the user presses a FloatingActionButton indicating they are done, ... (new MyApp()); } See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
dart
0
votes
256
views
1
answer
javascript - jQuery vs document.querySelectorAll
I heard several times that jQuery's strongest asset is the way it queries and manipulates elements in the DOM: ... of jQuery! Any thoughts? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
javascript
0
votes
226
views
1
answer
How to remove last n characters from a string in Bash?
I have a variable var in a Bash script holding a string, like: echo $var "some string.rtf" I want to remove the ... string" How can I do this? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
How
0
votes
459
views
1
answer
java - CountDownLatch vs. Semaphore
Is there any advantage of using java.util.concurrent.CountdownLatch instead of java.util.concurrent.Semaphore? As ... the latch be preferable? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
640
views
1
answer
macos - MAMP Pro 3.05 on Mavericks updated to Yosemite - Apache does not start
I have been running MAMP Pro 3.05 successfully in Yosemite up to DP4 on a partition that was a clean install ... Yosemite's Apache. Any ideas? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
macos
0
votes
258
views
1
answer
Set cURL to use local virtual hosts
Using Apache or Ngnix I always create development sites based on real projects such as http://project1.loc which, ... using the hosts file... See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Set
0
votes
136
views
1
answer
How to set button click effect in Android?
In Android, when I set a background image to a button, I can not see any effect on it when it's clicked. I ... it is clicked. How to do this? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
How
0
votes
446
views
1
answer
smtp - Send Email via C# through Google Apps account
I have a standard Google Apps account. I have setup a custom domain through Google Apps. I am able to send ... custom domain via Google? Thanks! See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
smtp
0
votes
373
views
1
answer
android - First letter capitalization for EditText
I'm working on a little personal todo list app and so far everything has been working quite well. There is one ... 't find out what it is. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
android
Page:
« prev
1
...
552
553
554
555
556
557
558
559
560
561
562
...
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] php - Deciphering a Stack Trace Error on "Remember Me" Function
[2] Ts可以编译为指定版本的js,那么还需要babel么?
[3] react native - Popup horizontally animate
[4] c# - ASP.NET MVC AJAX Call to Controller Not Returning any Data
[5] php 怎样判断逗号分隔的字符串是否包含某个字符串
[6] android - Navigation View XML doesn't let me interact with anything else
[7] Python转化为JS的问题
[8] swiftui - .enumerated() method not working on array
[9] Mac本地环境运行php项目,项目是微信公众号相关的,框架是php的lavarel
[10] Vue 项目中, 使用iframe 引用本地html要如何实现?
2.1m
questions
2.1m
answers
60
comments
56.9k
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
...