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
1.0k
views
1
answer
laravel - Vue.js - validation fails for file upload in axios when multipart/form-data used in header
I am building a Laravel+Vue.js SPA (Single Page Application) with BootstrapVue, VeeValidate and axios as the HTTP ... adopt any other means ? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
laravel
0
votes
590
views
1
answer
Swift performSegue going to Xcode
I am trying to perform a Segue between two UI Views I have correctly typed the identifier for the segue as can ... } } } Any help appreciated. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Swift
0
votes
604
views
1
answer
python - Prevent Sympy from rearranging the equation
Perhaps im overlooking the obvious but how do you prevent sympy from rearranging equations? Im using Sympy in the ... anyway to prevent this? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
1.2k
views
1
answer
docker - apt-get update fails with 404 in a previously working build
I am running a Travis build and it fails when building the mysql:5.7.27 docker image. The Dockerfile runs ... -Timer: S1553616198.734091,VS0,VE0 See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
docker
0
votes
636
views
1
answer
basic - How can I automatically populate the VBA Editor with line numbers?
I want to have line numbers in my VBA code for debugging reasons. That will allow me to know where a particular ... go about doing such a thing? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
basic
0
votes
921
views
1
answer
Batch file to delete files older than N hours or minutes
I see this - Batch file to delete files older than N days But how can I delete files older than N hours or minutes? Thanks. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Batch
0
votes
994
views
1
answer
c# - GetLastWriteTime returning 12/31/1600 7:00:00 PM
I am using the following code to write the Date Modified time of a Directory to a label string selectedPath = comboBox1. ... I'm using .NET 3.5 See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c#
0
votes
479
views
1
answer
c# - Why does Math.Exp give different results between 32-bit and 64-bit, with same input, same hardware
I am using .NET 2.0 with PlatformTarget x64 and x86. I am giving Math.Exp the same input number, and it ... register used by 32-bit .NET. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c#
0
votes
504
views
1
answer
ruby - Parsing a date that can be in several formats in python
I would like to parse a date that can come in several formats, that I know beforehand. If I could not parse, ... I do the same thing in Python? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
928
views
1
answer
javascript - Service Worker Registration Failed
I am currently working on service worker to handle push notification in browser. Currently I am having this "SW ... anyone help with this issue? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
javascript
0
votes
778
views
1
answer
omnet++ - Calculating end-to-end delay for SimpleServerApp in Veins-LTE
I'm trying to calculate end-to-end delay for SimpleServerApp in Veins-LTE and I'm unable to get any results, ... ); I'd appreciate any help! See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
omnet++
0
votes
549
views
1
answer
c# - Instantiate objects within the terrain area
using System.Collections; using System.Collections.Generic; using UnityEngine; public class Teleport : MonoBehaviour { ... the terrain area? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c#
0
votes
1.3k
views
1
answer
delphi - How do I draw the selected list-box item in a different color?
Is is possible to change the item selection focus color and text color in a TListBox? When themes are not ... Paint to illustrate the example. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
delphi
0
votes
683
views
1
answer
Strange Java Timezone Date Conversion Problem
I want to convert ms-since-1970-timestamp to a date with timezone (Germany). Here are two variants of code ... tell me what went wrong here? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Strange
0
votes
549
views
1
answer
php - What is the difference between the | and || operators?
| and || - what is the difference between these two operators in PHP? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
php
0
votes
739
views
1
answer
javascript - Remove trailing numbers from string js regexp
I am trying to remove the trailing numbers from the string using JavaScript RegExp. Here is the example. Input output ... what I am looking for! See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
javascript
0
votes
597
views
1
answer
python - Caesar Cipher issue
I am trying to implement a Caesar cipher. I have tried to return message in the function, but I get an error ... chr ( number)) print (message) See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
985
views
1
answer
vba - Finding a workbook in one of multiple Excel instances
I have a macro in Outlook VBA to grab data from an open Excel workbook ("Workbook1"). I reference the ... running more than one Excel instance? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
vba
0
votes
520
views
1
answer
Dynamic array using ANSI C
I have a char array char *data[]= {"11", "22", "33", "44", "55"}; How can I add some extra items to ... ; I'd like a dynamic array in C. Thanks See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Dynamic
0
votes
295
views
1
answer
How to get appropriate images in respective android Device in Android Studio
I'm designing the layout of Music Player. When I'm rendering it with the Nexus 5 virtual device, I'm not ... get some solution from you guys. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
How
0
votes
346
views
1
answer
Operator overloading in python with the object on the right hand side of the operator
I recently learned about operator overloading in python and I would like to know if the following is possible. ... Is this possible in python? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Operator
0
votes
780
views
1
answer
apache spark - Saving dataframe to local file system results in empty results
We are running spark 2.3.0 on AWS EMR. The following DataFrame "df" is non empty and of modest size: scala> df. ... Hive 2.3.2, Zeppelin 0.7.3 See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
apache
0
votes
402
views
1
answer
java - method must call super() error in Netbeans
Recently I've made a Netbeans project and I am using SVN along with it. I am seeing duplicate class error, and ... be fixed? Code for download. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
523
views
1
answer
c++ - How can CString be passed to format string %s?
class MyString { public: MyString(const std::wstring& s2) { s = s2; } operator LPCWSTR() const { return s ... , howmany, (LPCTSTR)kindOfFruit ); See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
766
views
1
answer
wpf - Binding errors not showing on output window
My output window does not show binding errors for my project. However on a colleagues machine, binding errors are ... is an IDE setting). See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
wpf
0
votes
494
views
1
answer
c++ - Possible memory leak without a virtual destructor?
#include <iostream> using namespace std; class base { int a; public: base() {a =0;} }; class derv :public ... only base part of derv object?? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
497
views
1
answer
css - the behaviour of top: auto; bamboozles me
Hi I'm really confused about some basics with absolute positioning. <!DOCTYPE html> <html> <head> < ... expected. Any explanations appreciated! See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
css
0
votes
528
views
1
answer
php - Does memcached.dll exist?
Does the memcached (not memcache) extension exist for Windows? I have looked through old answers and haven't found anything. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
php
Page:
« prev
1
...
708
709
710
711
712
713
714
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] 上传一个文件夹,如何阻止浏览器弹出对话框(它会提示“将xx个文件上传到此网站···”)?
[2] dataframe - How does for loop impact performance of spark code
[3] jenkins k8s Could not load keystore 这个问题有遇到过吗
[4] tomcat - Removing specific algorithms from Java security providers
[5] flutter路由列表获取
[6] http 缓存问题
[7] npm install 报错 no discription 和 no repository field怎么解决
[8] vue项目中添加echarts-gl 报错请教怎么解决?
[9] shell重定向到/dev/null后grep获取不到值
[10] 参数是变量,ts的返回值怎么写
2.1m
questions
2.1m
answers
60
comments
56.7k
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
...