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
149
views
1
answer
Sorting a JavaScript object by property name
I've been looking for a while and want a way to sort a Javascript object like this: { method: 'artist.getInfo', ... will do this. Can anyone give me some help? Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Sorting
0
votes
275
views
1
answer
javascript - Why is mutating the [[prototype]] of an object bad for performance?
From the MDN docs for the standard setPrototypeOf function as well as the non-standard __proto__ property: ... they meant reassignment. See accepted answer. Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
javascript
0
votes
128
views
1
answer
php - difference between two arrays
I have following two arrays. I want the difference between these two arrays. That is, how can I find the values that do not ... 108 [21] => 110 [22] => 112); Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
php
0
votes
107
views
1
answer
Access array returned by a function in php
I'm using a template engine that inserts code in my site where I want it. I wrote a function to test for ... used directly in an if() block. Any ideas? Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Access
0
votes
201
views
1
answer
Jsoup Java HTML parser : Executing Javascript events
Can I fill out forms, execute events and Javascript functions in Jsoup? If yes how can I? Or should I go for another parser. Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Jsoup
0
votes
176
views
1
answer
c# - Convert Linq expression "obj => obj.Prop" into "parent => parent.obj.Prop"
I have an existing expression of type Expression<Func<T, object>>; it contains values like cust => cust. ... an MVC method, which limits the possible solutions. Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c#
0
votes
411
views
1
answer
c++ - A confusing detail about the Most Vexing Parse
My question is how the following line can be parsed as a function declaration: vector<int> v(istream_iterator<int>( ... arguments to functions? And if so, why? Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
339
views
1
answer
bash - How do I use variables in single quoted strings?
I am just wondering how I can echo a variable inside single quotes (I am using single quotes as the string ... > ${FILE} any help would be greatly appreciated Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
bash
0
votes
262
views
1
answer
c - A Makefile with Multiple Executables
I am trying to write a makefile which uses macros to create multiple executables from multiple files at once. I ... ex3 from files ex1.c ex3.c respectively. Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c
0
votes
314
views
1
answer
python - "for line in..." results in UnicodeDecodeError: 'utf-8' codec can't decode byte
Here is my code, for line in open('u.item'): # Read each line Whenever I run this code it gives the ... it gives the same error. What should I do then? Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
283
views
1
answer
performance - Is it safe to shallow clone with --depth 1, create commits, and pull updates again?
The --depth 1 option in git clone: Create a shallow clone with a history truncated to the specified number of ... again to keep up with updates from origin? Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
performance
0
votes
105
views
1
answer
c# - Get current folder path
I want to create a program that converts files. I would like the user to be able to place the executable file in ... that seems to be the wrong way. Any ideas? Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c#
0
votes
404
views
1
answer
regex - Regular expression to match numbers with or without commas and decimals in text
I'm trying to locate and replace all numbers in a body of text. I've found a few example regex's, which almost ... "9.99", and "998713" for the above text. Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
regex
0
votes
273
views
1
answer
javascript - How to get progress from XMLHttpRequest
Is it possible to get the progress of an XMLHttpRequest (bytes uploaded, bytes downloaded)? This would be useful to ... , which the browser has at all times. Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
javascript
0
votes
231
views
1
answer
r - Extract a dplyr tbl column as a vector
Is there a more succinct way to get one column of a dplyr tbl as a vector, from a tbl with database back-end (i ... " "setosa" etc. But it seems a bit clumsy. Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
328
views
1
answer
java - Hibernate JPA Sequence (non-Id)
Is it possible to use a DB sequence for some column that is not the identifier/is not part of a composite ... why can't it generate for a simple property? Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
593
views
1
answer
angular - How to set <iframe src="..."> without causing `unsafe value` exception?
I am working on a tutorial involving the setting of an iframe src attribute: <iframe width="100%" height="300" ... using bindings with [src] with no success. Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
angular
0
votes
314
views
1
answer
javascript - Promise.all: Order of resolved values
Looking at MDN it looks like the values passed to the then() callback of Promise.all contains the values in the ... no proof - it could have been coincidence. Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
javascript
0
votes
75
views
1
answer
java - How to convert List to Map?
Recently I have conversation with a colleague about what would be the optimal way to convert List to Map in Java and if there any ... ) o[0], (String) o[1]); } Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
242
views
1
answer
visual studio 2010 - UTF-8 without BOM
I have javascript files that I need them to be saved in UTF-8 (without BOM), every time I convert them to ... in Visual Studio the same as UTF-8 without BOM? Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
visual
0
votes
944
views
1
answer
flexbox - Equal height rows in CSS Grid Layout
I gather that this is impossible to achieve using Flexbox, as each row can only be the minimal height required to fit ... cells, not just the cells in its row. Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
flexbox
0
votes
316
views
1
answer
msysgit - Where do the settings in my Git configuration come from?
I've noticed that I have two listings for core.autocrlf when I run git config -l $ git config -l ... Allow Sourcetree to modify your global Git config files" Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
msysgit
0
votes
195
views
1
answer
python - __getattr__ on a module
How can implement the equivalent of a __getattr__ on a class, on a module? Example When calling a function ... ) NameError: name 'salutation' is not defined Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
193
views
1
answer
c# - Factory method with DI and IoC
I am familiar with these patterns but still don't know how to handle following situation: public class CarFactory { public CarFactory ... ()),....) break; } } } Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c#
0
votes
430
views
1
answer
tsql - How to get sp_executesql result into a variable?
I have a piece of dynamic SQL I need to execute, I then need to store the result into a variable. I know ... t find clear examples around about how to do this. Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
tsql
0
votes
645
views
1
answer
svn - Cannot install R-forge package using install.packages
This, question, is, asked, over, and, over, and, over, on the R-sig-finance mailing list, but I do not think ... a package that I can load with library("XYZ")? Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
svn
0
votes
124
views
1
answer
c# - Calling stored procedure with return value
I am trying to call a stored procedure from my C# windows application. The stored procedure is running on a ... more information is needed, please let me know. Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c#
0
votes
79
views
1
answer
Convert JSON String To C# Object
Trying to convert a JSON string into an object in C#. Using a really simple test case: JavaScriptSerializer ... it's an undefined object. Any ideas? Question&Answers:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Convert
Page:
« prev
1
...
389
390
391
392
393
394
395
396
397
398
399
...
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] google colaboratory - When using #@title, the left panel width should be able to be wider than the right panel
[2] 想用canvas实现固定大小108*108,图片等比例缩小并居中,能用图片的色素值自动填充剩余的背景
[3] html - How to create even cell spacing within a
[4] reactjs - Cannot assign types to a React High Order Component
[5] java - Jpa Stackoverflow exception in ManyToOne relation
[6] git - Sourcetree cannot clone repository if wrong login credential in the first time
[7] vue devtools 检测出来 但是在浏览器中找不到,刷新设置无痕Vue.config.devtools都试过了。
[8] hive查询报错
[9] webpack打包问题
[10] python - What is the easiest way to check if a city name belongs to a given country?
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
...