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
1.2k
views
1
answer
cordova - How permanent is local storage on Android and iOS?
When my app stores data locally on a phone, how permanent is that storage? I'll elaborate the exact situation: ... get deleted or will it stay? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
cordova
0
votes
1.6k
views
1
answer
github - disable git credential-osxkeychain
I need to disable the credential helper for OS X: git credential-osxkeychain It is disabled both in the ... entry in keychain is restored. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
github
0
votes
886
views
1
answer
stl - How to remove all the occurrences of a char in c++ string
I am using following: replace (str1.begin(), str1.end(), 'a' , '') But this is giving compilation error. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
stl
0
votes
316
views
1
answer
python - In List of Dicts, find min() value of a common Dict field
I have a list of dictionaries like so: [{'price': 99, 'barcode': '2342355'}, {'price': 88, 'barcode': ... for me to learn a bit more. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
1.3k
views
1
answer
plsql - DBMS_OUTPUT.PUT_LINE not printing
When executing the following code, it just says the procedure is completed and doesn't print the ... firstNamea.lastName multiple times! See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
plsql
0
votes
140
views
1
answer
c++ - Does C++11 have C#-style properties?
In C#, there is a nice syntax sugar for fields with getter and setter. Moreover, I like the auto-implemented ... some syntax sugar on this? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
795
views
1
answer
subdirectory - Browse files and subfolders in Python
I'd like to browse through the current folder and all its subfolders and get all the files with .htm|.html ... Is something like that possible? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
subdirectory
0
votes
281
views
1
answer
python - How to set layer-wise learning rate in Tensorflow?
I am wondering if there is a way that I can use different learning rate for different layers like what is in ... Any idea how to achieve this? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
502
views
1
answer
ios - Chain multiple Alamofire requests
I'm looking for a good pattern with which I can chain multiple HTTP requests. I want to use Swift, and ... that pattern is not an option. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ios
0
votes
161
views
1
answer
objective c - Enable access for assistive devices programmatically on 10.9
I want to enable access for assistive devices programatically on 10.9. On 10.8 and lower I?was using ... issue would be greatly appreciated. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
objective
0
votes
115
views
1
answer
javascript - I want to do animation of an object along a particular path
I have to move the small rectangle on the path. The rectangle moves after a click inside the canvas. I am not ... blue'; context.stroke(); }; See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
javascript
0
votes
185
views
1
answer
.net - Set background color of WPF Textbox in C# code
How can I change the background and foreground colors of a WPF Textbox programmatically in C#? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
.net
0
votes
1.4k
views
1
answer
xaml - WPF: Setting the Width (and Height) as a Percentage Value
Say I want a TextBlock to have its Width equal to it's Parent container's Width (ie, stretch from side to ... basically, like in HTML and CSS) See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
xaml
0
votes
305
views
1
answer
Clojure: reduce vs. apply
I understand the conceptual difference between reduce and apply: (reduce + (list 1 2 3 4 5)) ; translates to: ... seems reduce is a bit faster. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Clojure:
0
votes
389
views
1
answer
java - Gradle - getting the latest release version of a dependency
What would be the easiest way to tell Gradle the following: Retrieve 'junit' dependency and take its latest 'release' ... be such a hard task? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
389
views
1
answer
python - How to query MultiIndex index columns values in pandas
Code example: In [171]: A = np.array([1.1, 1.1, 3.3, 3.3, 5.5, 6.6]) In [172]: B = np. ... of A and B as data columns in addition to index. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
371
views
1
answer
iphone - UIBezierPath Subtract Path
By using [UIBezierPath bezierPathWithRoundedRect:byRoundingCorners:cornerRadii:], I am able to create a rounded view ... fromPath:bigMaskPath]; See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
iphone
0
votes
173
views
1
answer
android - Select all text inside EditText when it gets focus
I have an EditText with some dummy text in it. When the user clicks on it I want it to be selected so that ... deleted. How can I achieve this? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
android
0
votes
1.6k
views
1
answer
postgresql - How to add "on delete cascade" constraints?
In PostgreSQL 8 is it possible to add ON DELETE CASCADES to the both foreign keys in the following table without ... (gid) ON DELETE CASCADE; See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
postgresql
0
votes
119
views
1
answer
c# - Why does the lock object have to be static?
It is very common to use a private static readonly object for locking in multi threading. I understand that private ... }).Start(); } Thanks See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c#
0
votes
237
views
1
answer
sql - JPQL IN clause: Java-Arrays (or Lists, Sets...)?
I would like to load all objects that have a textual tag set to any of a small but arbitrary number of values ... the values of an IN clause? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
sql
0
votes
1.2k
views
1
answer
web services - How to obtain longitude and latitude for a street address programmatically (and legally)
Supposedly, it is possible to get this from Google Maps or some such service. (US addresses only is not good enough.) See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
web
0
votes
362
views
1
answer
database performance - Postgresql Truncation speed
We're using Postgresql 9.1.4 as our db server. I've been trying to speed up my test suite so I've ... it should be much faster. Any thoughts? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
database
0
votes
1.1k
views
1
answer
deployment - How to deploy SQL Server Compact Edition 4.0?
How do i deploy Microsoft SQL Server Compact 4.0? SQL Server Compact Edition (currently at version 4.0) is: a ... , but it grobbed the frobber. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
deployment
0
votes
88
views
1
answer
c# - Check if property has attribute
Given a property in a class, with attributes - what is the fastest way to determine if it contains a given ... has the "IsIdentity" attribute? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c#
0
votes
246
views
1
answer
r - Apply a function to every row of a matrix or a data frame
Suppose I have a n by 2 matrix and a function that takes a 2-vector as one of its arguments. I would ... the function in the way you specify? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
209
views
1
answer
javascript - jQuery issue in Internet Explorer 8
I am trying to get my jQuery functions to work on IE8. I am loading the library from Google's servers ( ... something I might be missing here? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
javascript
0
votes
854
views
1
answer
user interface - Good text foreground color for a given background color
I'm drawing a color selection button and I'm looking for a nice and simple formula to get a good text color ( ... at all, I'm using QT. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
user
Page:
« prev
1
...
471
472
473
474
475
476
477
478
479
480
481
...
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] c++ - docker cannot find libraries that are there
[2] algorithm - Ruby. Shuffle the array so that there are no adjacent elements with the same value
[3] nullpointerexception - Null checks for a complex dereference chain in Java 8
[4] 正则匹配问题
[5] vue文档中render函数部分怎么理解?
[6] python - dynamic forecast adjustment on error testing
[7] H5和小程序对应的视频预加载方式?
[8] javascript - Reactjs sending data back from child function component to parent class component
[9] python - How can I create a path for file.write to follow when opening a file in append
[10] colly:invalid memory address or nil pointer dereference
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
...