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
69
views
1
answer
Android Programming: Where To Start For Creating A Simple File Browser?
I would like to make a file browser that will do two things: 1) Allow the user to browse and select a ... /source code? Please and thanks! See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Android
0
votes
1.5k
views
1
answer
ubuntu - Using Bluetooth low energy in linux command line
I am working on using the Bluetooth low energy modem with Linux. I am using the command line option for ... are rendering from the machine. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ubuntu
0
votes
185
views
1
answer
What's the easiest way to get the current location of an iPhone?
I already know how to use the CLLocationManager, so I could do it the hard way, with delegates and all that ... blocks until it gets the result. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
What's
0
votes
1.2k
views
1
answer
playframework - How do I run a Play Framework 2.0 application as a Windows service?
I have a Play Framework 2.0 application that I want to deploy (production) on Windows Server 2008 R2. How do I get it to run as a service? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
playframework
0
votes
1.6k
views
1
answer
sql - MySQL CONCAT returns NULL if any field contain NULL
I have following data in my table "devices" affiliate_name affiliate_location model ip os_type os_version cs1 inter Dell 10. ... -10.125.103.28- See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
sql
0
votes
1.3k
views
1
answer
networking - Can TCP and UDP sockets use the same port?
First of all, is there any problem with using both UDP and TCP on the same server? Secondly, can I use the same port number? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
networking
0
votes
340
views
1
answer
javascript - How do I get the domain originating the request in express.js?
I'm using express.js and i need to know the domain which is originating the call. This is the simple code app. ... but it gave me no help. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
javascript
0
votes
1.7k
views
1
answer
ios - How to use Apple's new .p8 certificate for APNs in firebase console
With the recent up gradation of the Apple developer accounts, I am facing a difficulty that while trying to create ... new (.p8) certificates. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ios
0
votes
302
views
1
answer
Force lowercase property names from Json() in ASP.NET MVC
Given the following class, public class Result { public bool Success { get; set; } public string Message { ... the normal Json function call? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Force
0
votes
1.7k
views
1
answer
asp.net mvc - DropDownListFor Not Selecting Value
I'm using the DropDownListFor helper method inside of an edit page and I'm not having any luck getting it to ... not sure what I'm missing. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
asp.net
0
votes
1.6k
views
1
answer
ios - Best way to parse URL string to get values for keys?
I need to parse a URL string like this one: &ad_eurl=http://www.youtube.com/video/4bL4FI1Gz6s&hl=it_IT&iv_logging_level ... to get a substring? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ios
0
votes
1.7k
views
1
answer
linux - Run text file as commands in Bash
If I have a text file with a separate command on each line how would I make terminal run each line as a ... 1 sudo command 2 sudo command 3 See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
linux
0
votes
1.5k
views
1
answer
python: deque vs list performance comparison
In python docs I can see that deque is a special collection highly optimized for poping/adding items from left or right ... 3: 243 us per loop See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python:
0
votes
617
views
1
answer
external project - CMake - linking to library downloaded from ExternalProject_add()
I am trying to use ExternalProject_add() to download/install dependencies. It installs fine, but I can't figure ... (mybinary ${LIBS}) See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
external
0
votes
2.0k
views
1
answer
how to dynamically add options to an existing select in vanilla javascript
I'd like to add option to a select dynamically using plain javascript. Everything I could find involves JQuery or ... that one out I think. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
how
0
votes
336
views
1
answer
Automatic Cookie Handling C#/.NET HttpWebRequest+HttpWebResponse
Is there any way to automatically handle cookies in .NET with the HttpWebRequest/HttpWebResponse objects? I'm ... Any suggestions or advice? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Automatic
0
votes
803
views
1
answer
insert data from one table to another in mysql
i want to read all data from one table and insert some data in to another table. my query is INSERT INTO ... at row 1 please help me. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
insert
0
votes
438
views
1
answer
java - Where can I find default -Xss (stack size) value for Oracle JVM?
Has anyone ever found a single JVM document listing default -Xss values for various versions of the Oracle JVM, and ... -Xss value in Windows. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
1.1k
views
1
answer
iphone - Correct way to save/serialize custom objects in iOS
I have a custom object, a UIImageView subclass which has a few gestureRecognizer objects. If I have a number of ... disk and use the objects. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
iphone
0
votes
493
views
1
answer
c# - Order of execution with multiple filters in web api
I am using latest web api. I do annotate some controllers with 3 different filter attributes. 1 [Authorize] 2 [ ... to fix that for myself ?? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c#
0
votes
1.4k
views
1
answer
anaconda - conda update CondaHTTPError: HTTP None
Midway through running Conda Update --all, the update stalled. Multiple packages had been updated. Now, when I ... call a correct HTTP address? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
anaconda
0
votes
1.3k
views
1
answer
ruby - Using Rails Migration on different database than standard "production" or "development"
I have a rails project running that defines the standard production:, :development and :test DB-connections in ... definition? Thanks, Frank See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
1.9k
views
1
answer
jquery callback after all images in dom are loaded?
How can I fire an event when all images in the DOM are loaded? I've googled a lot. I've found this, ... to work: jQuery event for images loaded See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
jquery
0
votes
1.5k
views
1
answer
azure - Staging or Production Instance?
Is there anywhere in the service runtime that would tell me if I'm currently running on 'Staging' or ' ... production seems a bit cumbersome. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
azure
0
votes
930
views
1
answer
mapreduce - How to get the input file name in the mapper in a Hadoop program?
How I can get the name of the input file within a mapper? I have multiple input files stored in the input ... which file the mapper has read. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mapreduce
0
votes
1.4k
views
1
answer
angularjs - Angular $http vs service vs ngResource
I would like to understand the advantages / disadvantages over using a simple $http request to a server and/or ... can an ngResource? Thanks. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
angularjs
0
votes
737
views
1
answer
notepad++ - Change EOL on multiple files in one go
Is there any way in Notepad++ (or even with another tool) to change the line ending automatically on multiple ... be all Windows EOL (CRLF) See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
notepad++
0
votes
91
views
1
answer
How do I add an active class to a Link from React Router?
I've created a bootstrap-style sidebar using Link. Here is a snippet of my code: <ul className="sidebar-menu ... to use an external solution? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
How
Page:
« prev
1
...
510
511
512
513
514
515
516
517
518
519
520
...
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 - How to display 1 table data to 2 columns each data 1-n in fpdf?
[2] MySQL gap locking
[3] 使用axios报错 Request failed with status code 404
[4] VBA如何判断当前页数?
[5] 请教一个js数据格式装换问题
[6] Making the game Checkers in python with pygame but are running into minor logical errors
[7] laravel - Livewire fire method when we type into input element
[8] css控制文字长度,超出的用...显示,...怎么显示在靠下方的位置
[9] kafka自带的zookeeper,启动报错
[10] 这个rsa算法哪里出错了呢? 为什么算的不对
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
...