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
No answer
No selected answer
No upvoted answer
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 without an upvoted answer
0
votes
231
views
1
answer
Method to Cancel/Abort GStreamer tcpclientsink Timeout
I am working on an application that uses GStreamer to send a Motion JPEG video stream through a tcpclientsink element ... to report an error. See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
225
views
1
answer
pdf - Is it possible to protect our documents from getting copied using HTML 5 or general Web technologies?
I want to develop a Web App for Mobile users, which will provide users with documents for users to view. I want ... (might seem like a fantasy) See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
452
views
1
answer
regex - JavaScript Text Color Change To Each Word In Array
I have this JavaScript Code: $(function() { var text = $(this).find("#text").html(); var key_words = [' ... m i doing wrong. Thanks in advance. See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
257
views
1
answer
ruby - Storing a proc inside an array inside a hash
I am still working on my text adventure. I am having trouble with the use/with function. It is meant to call ... nothing but a new prompt line. See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
299
views
1
answer
r - ggplot2 position=dodge giving erroneous labels
I am trying to plot a simple bar chart with labels in ggplot2. However, when I use position=dodge, it ... would be much appreciated. Thanks! See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
200
views
1
answer
memory error when splitting big file into smaller files in python
I have read several posts including this one. but none helped. Here is the python code that I have ... read(1),terminal_byte)) MemoryError See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
185
views
1
answer
swift2 - an internal error occurred . Source editor functionality is limited . Attempting to restore
I am developing application for tvOS in swift using Xcode 7.3, I had written a Class to split events on the basis ... :0) if (i+1>=eventStartDateEndDateArray.count) { break } else...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
277
views
1
answer
javascript - How to modify .innerHTML text?
So this is what I have in my body tag: <div class="my-block"> <p id="demo"> <font size="5">Old ... even though that works with bold and small. See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
450
views
1
answer
Train function from R caret package error: "Something is wrong; all the Accuracy metric values are missing"
I want to run a logreg regression. I obtain the following error after running my code on R: Something is wrong; ... "logreg", trControl = ctrl) See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
241
views
1
answer
(VBA) Importing Data from Unique HTML File into Excel
I want to create a VBA code that pulls the relevant data I want to work with out of a webpage and posts it into ... <td> <pre> *Want this data* See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
218
views
1
answer
android - Issue From Reading from a SQLite Database
I dont have much knowledge in using the "Cursor" to read data of SQLite database but using some references and examples ... for a fast reply. :) See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
281
views
1
answer
php - put default image if there is no image using ACF
I am using Wordpress ACF plugin and I have custom products section and I put a custom field for featured image and it's ... ?>"> <? php } ?> See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
235
views
1
answer
php - date_sun_info() for a specific calendar date
One thing that has gotten me into trouble recently was PHP's date_sun_info() function. It returns an array with ... to get the desired info? See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
192
views
1
answer
jakarta ee - JSF Controller, Service and DAO
I'm trying to get used to how JSF works with regards to accessing data (coming from a spring background) I'm ... of the job of the service. See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
261
views
1
answer
apache spark - Using contains in scala - exception
I am encountering this error: java.lang.ClassCastException: scala.collection.immutable.$colon$colon cannot be cast to [ ... the string. Thanks See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
289
views
1
answer
c# - How to Store Hta/Html File in Project Resources and Use in Program
I have added an .hta file to my applciation's resources like so: And I would like to display this by using the line: ... </div> </body> </html> See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
211
views
1
answer
c# - asp.net site session timeout issue
I have created asp.net site with quartz scheduler. All the job is running in background and there is no other ... to avoid this timeout issue? See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
348
views
1
answer
node.js - npm.cmd closes instantly after few seconds
I'm learning nodeJs. I managed to run nodejs commands on cmd and it works fine. Now I want to install express ... .SO must I use npm cmd? See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
325
views
1
answer
javascript - How to trigger an event when elements (divs, images) touch each other?
I would like to know if it is at all possible to trigger a jquery event (showing contents of a ) ... trigger events when it touches something. See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
197
views
1
answer
deployment - Collect all rpm dependencies to deploy a project
I need to deploy a software project (packaged as an rpm) from a developer machine into a server. I'm using ... registry, rpm mirror, etc.) See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
230
views
1
answer
Can a C++ vector of non-pointer types cause a memory leak in iOS?
Here's the code: @interface myClass { std::vector<float> myVector } @end It's leaking according to ... to dealloc the class properly. See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
244
views
1
answer
c - output to file
If I had an array of integers I wanted to output to a text file.. void output() { for (i=0; i<10; i++) ... in the project folder. ", ""); } See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
267
views
1
answer
c# - How in Xamarin Forms project use different sizes of BackgroundImage property for Page?
I've added some types of image in Resources - 320 x 480 login-background.png - 640 x 960 login-background@2x ... simulator render 320 x 480. See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
282
views
1
answer
javascript - Gridview Rows Items Misalignment to Header
Please see image first Misaligning of row items to header happens after keypress event in textbox for record searching takes ... here][3]][3] See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
259
views
1
answer
sorting - How to sort pandas dataframe non-lexical?
What I do to sort credit in the following dataframe is to use sort_values() function (I've also tried sort()): ... 00 0 2015-07-13 False 201584 See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
239
views
1
answer
javascript - Promises in Mocha Unit Tests
This question is related to Using Promises to test Meteor - Mocha Like Louis suggested, I have replicated ... .runServerTests: failures: 0 See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
240
views
1
answer
c# - How to Attain a list of items of items not on another list
I want to attain a list of BeerNames from a list whose names are not on a second list. var myList=(from f in ... isn't clear...I'm trying:) See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
267
views
1
answer
MySQL TRUNCATE or ROUND with variable decimal length
I am not able to TRUNCATE (or round) a decimal on variable decimal lengh. Here's my MySQL query: SELECT TRUNCATE ... rows in table. Any ideas? See Question&Answers more detail:os...
asked
Jan 31, 2022
in
Technique[技术]
by
深蓝
(
71.8m
points)
Page:
« prev
1
...
560
561
562
563
564
565
566
567
568
569
570
...
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] R Shiny - call multiple observe() invalidateLater() functions
[2] javascript - i'm having issues creating my React app using npx-create-reat-app
[3] reactnative websocket Connection reset
[4] autojs 悬浮窗使用 list ,向里面添加数据报错
[5] python - Winsorize dataframe columns per month while ignoring NaN's
[6] python 3.x - From list of list of dictionaries to Pandas DataFrame
[7] React, HTML and JavaScript: Error: Maximum update depth exceeded
[8] React组件通信?
[9] Java Swing 鼠标点击列表事件,多次触发问题
[10] Promise then catch 的 使用问题
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
...