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
532
views
1
answer
r - using parallel's parLapply: unable to access variables within parallel code
I recently got a computer with several cores and am learning to use parallel computing. I'm fairly proficient with ... to use parLapply I think See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
412
views
1
answer
android - Putting screen densities into the correct bucket
A set of six generalized densities: ldpi (low) ~120dpi mdpi (medium) ~160dpi hdpi (high) ~240dpi xhdpi (extra- ... the correct way to do this. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
android
0
votes
418
views
1
answer
javascript - How to use jQuery UI Calendar/Date PIcker for week rather than day?
I've been using the jQuery UI Calendar / Date Picker with great success over the last couple months. I've ... single date in textbox / labels See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
javascript
0
votes
669
views
1
answer
Get Last Executed Query in PHP PDO
I would like to know what query is executed using PHP PDO. I have: <?php try { $DBH = new PDO("mysql: ... 'some text') Is it possible? Thanks See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Get
0
votes
696
views
1
answer
x86 Assembly pushl/popl don't work with "Error: suffix or operands invalid"
I'm a newbie to assembly programming, working through Programming Ground Up on an Ubuntu x86_64 desktop with GNU ... Or is it my assembler? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
x86
0
votes
241
views
1
answer
android - Set starting height of CollapsingToolbarLayout
I want to be able to scroll on the ImageView inside the CollapsingToolbarLayout. So how that would be ... .support.v4.widget.NestedScrollView> See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
android
0
votes
324
views
1
answer
How to search if dictionary value contains certain string with Python
I have a dictionary with key-value pair. My value contains strings. How can I search if a specific string exists in ... the value 'Mary-Ann'). See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
How
0
votes
398
views
1
answer
stack - Java balanced expressions check {[()]}
I am trying to create a program that takes a string as an argument into its constructor. I need a method that checks ... { return false; } } } See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
stack
0
votes
422
views
1
answer
c++ - Finding square root without using sqrt function?
I was finding out the algorithm for finding out the square root without using sqrt function and then tried to put ... give a solution for this. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
336
views
1
answer
c# - Fancybox - ASP.NET button not working
I've just determined using Firebug that when Fancybox window is created it actually takes all of my ASP.NET ... on different Fancybox versions. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c#
0
votes
472
views
1
answer
c# - HTTPWebResponse + StreamReader Very Slow
I'm trying to implement a limited web crawler in C# (for a few hundred sites only) using ... StreamReader.ReadToEnd times DRASTICALLY? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c#
0
votes
492
views
1
answer
r - How do I use cookies with RCurl?
I am trying to write an R package that accesses some data via a REST API. The API, however, doesn't use ... () no cookies.txt file exists. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
232
views
1
answer
Java - Creating an array of methods
I'm designing a text-based adventure game for a school progress. I have each "level" set up as a class, ... the general idea. 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
446
views
1
answer
telerik mvc - How to play the html5 video in IE8 Browsers
I have develop a MVC3 Application in that i have use html5 video controls when i run the application it is playin ... /> </object> </video> See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
telerik
0
votes
635
views
1
answer
objective c - Reading samples via AVAssetReader
How do you read samples via AVAssetReader? I've found examples of duplicating or mixing using AVAssetReader, but ... each sample? Thanks. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
objective
0
votes
359
views
1
answer
c# - Fastest method for SQL Server inserts, updates, selects
I use SPs and this isn't an SP vs code-behind "Build your SQL command" question. I'm looking for a high- ... well. I'm open to all suggestions. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c#
0
votes
273
views
1
answer
php - "Family Tree" Data Structure
I'm looking for a way to represent a family tree in PHP. This means that children will need to inherit ... family tree with these requirements? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
php
0
votes
340
views
1
answer
html - How do I remove background-image in css?
I have a general rule which gives all DIVs a background image. I have one div (with id='a') which I don't ... css rule do I have to give it? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
html
0
votes
558
views
1
answer
c# - Hour from DateTime? in 24 hours format
So i have this DateTime? and what i want to do is to obtain the hour but show it in 24 hours format. For example ... ; //here goes what i need } See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c#
0
votes
542
views
1
answer
operators - How can I round to whole numbers in JavaScript?
I have the following code to calculate a certain percentage: var x = 6.5; var total; total = x/15*100; / ... there way to do this in JavaScript? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
operators
0
votes
529
views
1
answer
javascript - What is the difference between Event.target, Event.toElement and Event.srcElement?
I have the following code: document.oncontextmenu = function(evt) { evt = evt || window.event; console.log( ... different use than the others? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
javascript
0
votes
534
views
1
answer
Swagger/OpenAPI - use $ref to pass a reusable defined parameter
Let's say I've got a parameter like limit. This one gets used all over the place and it's a pain to have ... if it already exists today or not? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Swagger/OpenAPI
0
votes
250
views
1
answer
addID in jQuery?
Is there any method available to add IDs like there is for adding a class - addClass()? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
addID
0
votes
863
views
1
answer
debugging - Not Able To Debug App In Android Studio
I am making an app in Android Studio, now trying to debug it through adb. When I click on the word ... Eclipse before and adb worked fine. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
debugging
0
votes
560
views
1
answer
javascript - Remove x-axis label/text in chart.js
How do I hide the x-axis label/text that is displayed in chart.js ? Setting scaleShowLabels:false only ... lineChartData,options); </script> See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
javascript
0
votes
542
views
1
answer
.net - How to use XPath with XElement or LINQ?
Consider the following XML: <response> <status_code>200</status_code> <status_txt>OK</status_txt> <data> <url>http ... has a better solution? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
.net
0
votes
269
views
1
answer
How to set-up a favicon?
I am trying to do a very simple preliminary exercise to setting up a website which is creating a favicon. ... on a subdirectory). Many thanks See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
How
0
votes
310
views
1
answer
javascript - Angular2 dynamic change CSS property
We are making an Angular2 application and we want to be able to somehow create a global CSS variable (and update ... -color' | cssvariable }} } See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
javascript
Page:
« prev
1
...
646
647
648
649
650
651
652
653
654
655
656
...
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] Azure Media Servicdes: client.Assets.CreatOrUpdateAsync results in error: The resource Type is invalid
[2] Tibco Rv如何实现主备机制?即在链接时判断,在运行过程中切换
[3] service层返回值
[4] 如果取消异步重复请求问题?
[5] javascript - How do I make any item have the end portal texture in minecraft?
[6] 使用js数组去重操作!
[7] r - TwitteR Dmget Error in twInterfaceObj$doAPICall(cmd, params, method, ...) : Not Found (HTTP 404)
[8] 前后端分离的Rsa加解密如何实现呢?
[9] 请问为什么防抖函数返回的匿名函数的this指向input?为什么捕获不到event?
[10] 输入的名称正则要求怎么写?
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
...