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
281
views
1
answer
javascript - Bootstrap v2 Dropdown Navigation not working on Mobile Browsers
I am having an issue with the Bootstrap menu dropdowns on mobile devices (Bootstrap 2). A similar question ... help would be much appreciated. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
javascript
0
votes
218
views
1
answer
Where to find info on Android's "service call" shell command?
Using adb shell or a terminal emulator on the device, entering this will clear all notifications (requires su) ... with each of these services? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Where
0
votes
398
views
1
answer
c# - Meanings of declaring, instantiating, initializing and assigning an object
Technically what are the meanings and differences of the terms declaring, instantiating, initializing and assigning an ... a then created? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c#
0
votes
186
views
1
answer
C struct hack at work
Is this how one can use the the "extra" memory allocated while using the C struct hack? Questions: I have a C struct ... ->chararray[9] = 'j'; } See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
C
0
votes
1.0k
views
1
answer
security - IIS7, web.config to allow only static file handler in directory /uploads of website
If it's possible which I think so, How do I modify my web.config to make a sub directory static -- files ... "aspx" or something else? Thanks. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
security
0
votes
348
views
1
answer
javascript - Dynamically load a stylesheet with React
I'm building a CMS system for managing marketing landing pages. On the "Edit Landing Page" view, I want ... way in ComponentWillUnmount, right? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
javascript
0
votes
734
views
1
answer
curl - How do you properly install libcurl for use in visual studio 2017?
I am just starting out in c++ and cannot figure out how to add libraries, in particular libcurl. I tried a ... case sorry for the re-post. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
curl
0
votes
284
views
1
answer
How do you unwrap Swift optionals?
How do you properly unwrap both normal and implicit optionals? There seems to be confusion in this topic and I ... and ? during the unwrapping? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
How
0
votes
381
views
1
answer
Take screenshot of DirectX full-screen application
This boggles me. DirectX bypasses everything and talks directly to the device driver, thus GDI and other usual ... when Aero is enabled? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Take
0
votes
578
views
1
answer
sql - subquery in FROM must have an alias
I have this query I have written in PostgreSQL that returns an error saying: [Err] ERROR: LINE 3: FROM ( ... the correct way of handling this? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
sql
0
votes
665
views
1
answer
constants - Unable to free const pointers in C
How can I free a const char*? I allocated new memory using malloc, and when I'm trying to free it I always ... ); free(str); // error here See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
constants
0
votes
81
views
1
answer
How to check if a Javascript function is a constructor
I noticed not all the Javascript functions are constructors. var obj = Function.prototype; console.log(typeof obj = ... it NOT a constructor? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
How
0
votes
658
views
1
answer
scipy - Python curve_fit with multiple independent variables
Python's curve_fit calculates the best-fit parameters for a function with a single independent variable, but is there a way, ... a, b, and c. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
scipy
0
votes
369
views
1
answer
ios - Deleting all the files in the iPhone sandbox (documents folder)?
Is there an easy way to delete all the files(images) I saved in the documents folder of the app? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ios
0
votes
396
views
1
answer
javascript - Count textarea characters
I am developing a character count for my textarea on this website. Right now, it says NaN because it seems to ... left: " + charactersLeft; } See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
javascript
0
votes
469
views
1
answer
javascript - Multiple Ternary Operators
I need a bit of syntax help with a ternary operator which will help me to put the correct marker icons on to my ... can't seem to get it right. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
javascript
0
votes
392
views
1
answer
Convert base64 png data to javascript file objects
I have two base64 encoded in PNG, and I need to compare them using Resemble.JS I think that the best way to do ... fileReader. How can I do it? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Convert
0
votes
383
views
1
answer
c# - Add item to Listview control
I have a listview in c# with three columns and the view is details. I need to add a item to each specific ... .Age); listView.Items.Add(lvi); See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c#
0
votes
521
views
1
answer
r - Pretty ticks for log normal scale using ggplot2 (dynamic not manual)
I am trying to use ggplot2 to create a performance chart with a log normal y scale. Unfortunately I'm not ... ) Thanks! edit: inserted pictures See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
402
views
1
answer
python - PyMySQL can't connect to MySQL on localhost
I'm trying to connect to MySQL on localhost using PyMySQL: import pymysql conn = pymysql.connect(db='base', user=' ... no idea how to solve it. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
319
views
1
answer
c - gcc, strict-aliasing, and casting through a union
Do you have any horror stories to tell? The GCC Manual recently added a warning regarding -fstrict-aliasing and ... rules for the example here. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c
0
votes
340
views
1
answer
android - gridView with different cells sizes, pinterest style
Background GridView is a class that extends AdapterView , which means it shows cells in a grid-style efficiently, ... reported about it here. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
android
0
votes
591
views
1
answer
scope - Python: Sharing global variables between modules and classes therein
I know that it's possible to share a global variable across modules in Python. However, I would like to know ... in bot_modif_mod.py by mew(). See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
scope
0
votes
286
views
1
answer
c# - When to use enums, and when to replace them with a class with static members?
It recently occured to me that the following (sample) enumeration... enum Color { Red, Green, Yellow, Blue } ... a class be more appropriate? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c#
0
votes
230
views
1
answer
python - How to skip the rest of tests in the class if one has failed?
I'm creating the test cases for web-tests using Jenkins, Python, Selenium2(webdriver) and Py.test frameworks. So ... hooks to the class methods. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
248
views
1
answer
How to stop execution after a certain time in Java?
In the code, the variable timer would specify the duration after which to end the while loop, 60 sec for example ... //terminate after 60 sec } See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
How
0
votes
342
views
1
answer
php - Why does crypt/blowfish generate the same hash with two different salts?
This question has to do with PHP's implementation of crypt(). For this question, the first 7 characters of the salt ... int(1) Hope this helps. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
php
0
votes
371
views
1
answer
JQuery sortable lists and fixed/locked items
Is it possible to lock list items in JQuery sortable list in a way that those items will stay in that particular ... luck. Is it possible..? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
JQuery
Page:
« prev
1
...
564
565
566
567
568
569
570
571
572
573
574
...
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] html - Need to find where 2 objects are located in Javascript
[2] vue A - B -C组件中插槽传值问题
[3] 明明 npm ls -g 里没有 vue-cli,vue --version 却依然有输出,如何排查?
[4] api接口总是报错,打开链接是这样
[5] 怎么用nginx rewrite转发路径a.php到新的路径
[6] 有没有什么算法能够将一个颜色转换为暗黑主题下对应的颜色?
[7] uniapp的条件编译问题
[8] ansible在一台服务器如何做到任务并行
[9] TypeScript 参数变成 never 类型
[10] 请问为什么我在游览器里输入JSON会得出对象值
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
...