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
378
views
1
answer
Mysql - Alter table statement to create unique index on long text field
I'm trying to create an Alter command to create an unique_index on the first 8000 characters. I'm not able to ... -alter-table-statement-to-create-unique-index-on-long-text-field...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Mysql
0
votes
375
views
1
answer
asp.net - Configuration Error related to targetFramework in web.config
I have made an MVC website in Visual Studio 2015 and it works in my localhost. But when I ... /questions/33412042/configuration-error-related-to-targetframework-in-web-config...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
asp.net
0
votes
113
views
1
answer
How to list all the roles existing in Oracle database?
How to list all the roles existing in Oracle database? I have been searching in the tables : ROLE_TAB_PRIVS ... /how-to-list-all-the-roles-existing-in-oracle-database...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
How
0
votes
1.3k
views
1
answer
keyboard shortcuts - Vertical/Column text select in PyCharm?
Is it possible to select text vertically/in a column in PyCharm? You can do it in Visual Studio and ... /stackoverflow.com/questions/20510108/vertical-column-text-select-in-pycharm...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
keyboard
0
votes
406
views
1
answer
.net - Drop in replacement for FormsAuthentication.HashPasswordForStoringInConfigFile?
After upgrading to .Net 4.5, I am now getting the warning that "System.Web. ... /questions/13527277/drop-in-replacement-for-formsauthentication-hashpasswordforstoringinconfigfile...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
.net
0
votes
213
views
1
answer
ios - Set dimensions for UIImagePickerController "move and scale" cropbox
How does the "move and scale screen" determine dimensions for its cropbox? Basically I would like to ... /9041732/set-dimensions-for-uiimagepickercontroller-move-and-scale-cropbox...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ios
0
votes
102
views
1
answer
How do I display a PDF in ROR (Ruby)?
(Closed.) This question does not meet Stack Overflow guidelines. It is not currently accepting answers. question from:https: ... /7500451/how-do-i-display-a-pdf-in-ror-ruby...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
How
0
votes
237
views
1
answer
iphone - objective-C - other methods to convert a float to string
I know that you can convert a float into a string using NSString *myString = [NSString stringWithFormat:@"%f", ... 4993231/objective-c-other-methods-to-convert-a-float-to-string...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
iphone
0
votes
354
views
1
answer
Delphi: How do you auto-update your applications?
(Closed). This question is opinion-based. It is not currently accepting answers. question from:https:// ... questions/277514/delphi-how-do-you-auto-update-your-applications...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Delphi:
0
votes
152
views
1
answer
css - Is it possible to integrate MaterializeCss into Bootstrap
I have asked myself (not tested) if it is possible to integrate both bootstrap and materializecss into the ... /28613848/is-it-possible-to-integrate-materializecss-into-bootstrap...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
css
0
votes
760
views
1
answer
angularjs - Angular Protractor - Leave browser open after E2E tests
Is it possible to leave the test browser windows open after Angular Protractor tests run? I have a ... questions/23373148/angular-protractor-leave-browser-open-after-e2e-tests...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
angularjs
0
votes
317
views
1
answer
html - Async loading of javascript files using MVC4 Bundling and HTML5 async attribute
HTML5 has an async attribute for script files, to enable async loading. <script type="text/javascript" src=" ... -of-javascript-files-using-mvc4-bundling-and-html5-async-attribute...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
html
0
votes
198
views
1
answer
ruby on rails - Calling base class method from overloaded method in sub-class
Perhaps I am just not using the correct terminology for Ruby (and if I am please correct me), but Google ... /1547074/calling-base-class-method-from-overloaded-method-in-sub-class...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
209
views
1
answer
macos - Command line zip everything within a directory, but do not include any directory as the root
I can't find the answer to this for the life of me. Because I am packaging a zip in a specific way for ... -line-zip-everything-within-a-directory-but-do-not-include-any-directory...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
macos
0
votes
325
views
1
answer
ruby on rails - Difference between embeds_many and has_many in mongoid
Can anyone explain to me the difference between embeds_many and has_many in mongoid? question from:https://stackoverflow ... /difference-between-embeds-many-and-has-many-in-mongoid...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
489
views
1
answer
c# - -event- can only appear on the left hand side of += or -=
I have an event in a loop. I am trying to prevent the same method being added to an event more than once. I' ... questions/4496799/event-can-only-appear-on-the-left-hand-side-of-or...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c#
0
votes
130
views
1
answer
c# - Design pattern for handling multiple message types
I've got the GOF sitting on my desk here and I know there must be some kind of design pattern ... .com/questions/1477471/design-pattern-for-handling-multiple-message-types...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c#
0
votes
852
views
1
answer
python pickle gives "AttributeError: 'str' object has no attribute 'write'"
When I try to pickle something, I get an AttributeError: 'str' object has no attribute 'write' An example ... /python-pickle-gives-attributeerror-str-object-has-no-attribute-write...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
184
views
1
answer
iphone - Transforming a rectangle image into a quadrilateral using a CATransform3D
I have an image and a set of four points (describing a quadrilateral Q). I want to transform this ... /transforming-a-rectangle-image-into-a-quadrilateral-using-a-catransform3d...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
iphone
0
votes
294
views
1
answer
windows - Regular expressions in findstr
I'm doing a little string validation with findstr and its /r flag to allow for regular expressions. ... https://stackoverflow.com/questions/2613826/regular-expressions-in-findstr...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
windows
0
votes
392
views
1
answer
macos - GIT push whines about untrusted X11 forwarding setup failed
I'm new to both git and OSX, coming from Ubuntu and svn. When I do a "git push" from the OSX ... .com/questions/6316978/git-push-whines-about-untrusted-x11-forwarding-setup-failed...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
macos
0
votes
524
views
1
answer
c++ - Error: non-aggregate type 'vector<int>' cannot be initialized with an initializer list
I am a beginner in c++ and every time I run vector<int> nums = {2, 5, 3, 7, 1}; ... questions/39022787/error-non-aggregate-type-vectorint-cannot-be-initialized-with-an-initialize...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c++
0
votes
244
views
1
answer
How can I use the UNIX shell to count the number of times a letter appears in a text file?
I have a few text files and I'd like to count how many times a letter appears in each? Specifically, I'd like to ... -unix-shell-to-count-the-number-of-times-a-letter-appears-in-a...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
How
0
votes
720
views
1
answer
big o - Which algorithm is faster O(N) or O(2N)?
Talking about Big O notations, if one algorithm time complexity is O(N) and other's is O(2N), which ... /stackoverflow.com/questions/25777714/which-algorithm-is-faster-on-or-o2n...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
big
0
votes
525
views
1
answer
asp.net - Why does C# encounter this error as to the CSC file?
I am pretty new in C# development and I have the following problem. When I try to build the application on which I am ... /why-does-c-sharp-encounter-this-error-as-to-the-csc-file...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
asp.net
0
votes
112
views
1
answer
php - How to use HTTP_X_FORWARDED_FOR properly?
Alright, I have an small authentication issue. My web service allows to connect to my API over HTTP with a ... com/questions/11452938/how-to-use-http-x-forwarded-for-properly...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
php
0
votes
224
views
1
answer
Using the Android SDK on a Mac, Eclipse is really slow. How can I speed it up?
I'm using Eclipse + the Android SDK on a Mac running Snow Leopard to develop Android apps. Thing is, Eclipse is really slow ... -a-mac-eclipse-is-really-slow-how-can-i-speed-it-up...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Using
0
votes
473
views
1
answer
mongodb - How to update date field in mongo console?
For example I want to update all records to '2012-01-01' ( "time" : ISODate("2011-12-31T13:52:40Z" ... stackoverflow.com/questions/8821206/how-to-update-date-field-in-mongo-console...
asked
Oct 6, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
mongodb
Page:
« prev
1
...
87
88
89
90
91
92
93
94
95
96
97
...
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] 有没有人知道怎么实现通过App更改手机全局的字体吗?
[2] craco和react-app-rewired有什么区别?
[3] node.js - Send Email Failed Error: queryA EREFUSED smtp.gmail.com
[4] r - RStudio graphics device really slow for spatial objects on mac
[5] PHP Mysql Multidimensional Array Only Show One Result
[6] typescript: declare module exports?
[7] postgresql - Query to get distribution across weeks for a given start and end dates
[8] reactjs - React-Select, passing props with multiple selects in one form
[9] Why can't I download a youtube playlist using youtube-dl?
[10] Wait loop while file is generated for download - Selenium VBA
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
...