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
370
views
1
answer
css - Better way to set distance between flexbox items
To set the minimal distance between flexbox items I'm using margin: 0 5px on .item and margin: 0 -5px on container. For ... div> <div class='item'></div> </div> Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
css
0
votes
454
views
1
answer
command - Git alias with positional parameters
Basically I'm trying to alias: git files 9fa3 ...to execute the command: git diff --name-status 9fa3^ 9fa3 but git doesn ... c b a ...how can I make this work? Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
command
0
votes
210
views
1
answer
Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)
I am getting the following error when I try to connect to mysql: Can't connect to local MySQL server through ... error? What might be the reason behind it? Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Can't
0
votes
309
views
1
answer
math - How can i produce multi point linear interpolation?
Closed. This question needs to be more focused. It is not currently accepting answers. Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
math
0
votes
312
views
1
answer
http - Setting Curl's Timeout in PHP
I'm running a curl request on an eXist database through php. The dataset is very large, and as a result, the ... is the proper way to set timeouts in curl? Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
http
0
votes
285
views
1
answer
java - Why can't overriding methods throw exceptions broader than the overridden method?
I was going through SCJP 6 book by Kathe sierra and came across this explanations of throwing exceptions in ... unless it's a subclass of FileNotFoundException. Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
696
views
1
answer
garbage collection - Is there a destructor for Java?
Is there a destructor for Java? I don't seem to be able to find any documentation on this. If there ... prevent this from happening or gracefully tackle this. Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
garbage
0
votes
125
views
1
answer
JavaScript function aliasing doesn't seem to work
I was just reading this question and wanted to try the alias method rather than the function-wrapper method, but I ... , I just tried and it works in IE8. Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
JavaScript
0
votes
871
views
1
answer
indexing - Is there an R function for finding the index of an element in a vector?
In R, I have an element x and a vector v. I want to find the first index of an element in v that is ... indicating the position of each element of x in v. Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
indexing
0
votes
156
views
1
answer
windows - How to check for DLL dependency?
Sometimes when I'm doing a little project I'm not careful enough and accidentally add a dependency for a ... for testing to prevent these oops situations? Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
windows
0
votes
325
views
1
answer
windows - How do you get a directory listing sorted by creation date in python?
What is the best way to get a list of all files in a directory, sorted by date [created | modified], using python, on a windows machine? Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
windows
0
votes
186
views
1
answer
node.js - What is the --save option for npm install?
I saw some tutorial where the command was: npm install --save What does the --save option mean? Not able to find the answer on Google. Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
node.js
0
votes
115
views
1
answer
Converting integer to string in Python
I want to convert an integer to a string in Python. I am typecasting it in vain: d = 15 d.str() When ... error like int doesn't have any attribute called str. Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Converting
0
votes
170
views
1
answer
language agnostic - Algorithm for finding the fewest rectangles to cover a set of rectangles without overlapping
I have a set of rectangles and I would like to "reduce" the set so I have the fewest number of rectangles ... which completely covers them can have holes in it. Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
language
0
votes
388
views
1
answer
angularjs - Adding multiple class using ng-class
Can we have multiple expression to add multiple ng-class ? for eg. <div ng-class="{class1: expressionData1, class2: ... anyone put up the example to do so. . Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
angularjs
0
votes
159
views
1
answer
What is the shortest function for reading a cookie by name in JavaScript?
What is the shortest, accurate, and cross-browser compatible method for reading a cookie in JavaScript? Very often, ... ensuring the solution I have is valid. Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
What
0
votes
413
views
1
answer
javascript - How to get JS variable to retain value after page refresh?
This question already has answers here: Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
javascript
0
votes
192
views
1
answer
c# - What's the difference between an object initializer and a constructor?
What are the differences between the two and when would you use an "object initializer" over a "constructor" and ... initializer method specific to C# or .NET? Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c#
0
votes
79
views
1
answer
What is the best project structure for a Python application?
Closed. This question needs to be more focused. It is not currently accepting answers. Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
What
0
votes
229
views
1
answer
javascript - What is the difference between screenX/Y, clientX/Y and pageX/Y?
What is the difference between screenX/Y, clientX/Y and pageX/Y? Also for iPad Safari, are the calculations similar ... if you could point me to an example. Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
javascript
0
votes
219
views
1
answer
javascript - Difference between microtask and macrotask within an event loop context
I've just finished reading the Promises/A+ specification and stumbled upon the terms microtask and macrotask: see ... a short explanation given by an expert. Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
javascript
0
votes
134
views
1
answer
java - ANTLR: Is there a simple example?
I'd like to get started with ANTLR, but after spending a few hours reviewing the examples at the antlr.org site, I ... and all the way to the Java source code? Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
692
views
1
answer
syntax - What is Ruby's double-colon `::`?
What is this double-colon ::? E.g. Foo::Bar. I found a definition: The :: is a unary operator that allows: ... ) if you can just use :: to expose anything? Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
syntax
0
votes
149
views
1
answer
sql - What's the best practice for primary keys in tables?
Closed. This question is opinion-based. It is not currently accepting answers. Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
sql
0
votes
69
views
1
answer
Any way to select without causing locking in MySQL?
Query: SELECT COUNT(online.account_id) cnt from online; But online table is also modified by an event, so frequently ... is there a compatible way to do this? Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Any
0
votes
82
views
1
answer
How to know if an object has an attribute in Python
Is there a way in Python to determine if an object has some attribute? For example: >>> a = SomeClass() > ... if a has the attribute property before using it? Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
How
0
votes
269
views
1
answer
iphone - UIImage: Resize, then Crop
I've been bashing my face into this one for literally days now and even though I feel constantly that I am ... of bounds, or otherwise just not work correctly. Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
iphone
0
votes
145
views
1
answer
How to remove xa0 from string in Python?
I am currently using Beautiful Soup to parse an HTML file and calling get_text(), but it seems like I'm ... , xc2 for instance. Can anyone explain this? Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
How
Page:
« prev
1
...
323
324
325
326
327
328
329
330
331
332
333
...
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] Python classmethod constructor inheritance with different signature
[2] js for循环结束后的回调函数
[3] r - xlab in plot() function returning error message "formal argument "xlab" matched by multiple actual arguments", and need help labeling levels in plot
[4] ssrs 2012 - SQL - Returning the Top two Results for Each Match
[5] Koa 通过 stream 转发数据, 能否获取并带上 Response Headers?
[6] c# - Setting Up Skill in Unity
[7] vue __ob__.dep.id 该值是否是递增的?
[8] js怎么判断两数组之间有没有交集
[9] bash - Read file and run command in zsh
[10] Replacing XML data using Python script
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
...