OStack Q&A-Knowledge Sharing Community

0 votes

240 views

1 answer

javascript - In jQuery, how do I get the value of a radio button when they all have the same name?

Here is my code: <table> <tr> <td>Sales Promotion</td> <td><input type="radio" name="q12_3" value="1">1 ... returns 1. Why? Can anyone help me? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

252 views

1 answer

java - Return only string message from Spring MVC 3 Controller

Can any one tell me how I can return string message from controller? If i just return a string from a controller ... it as a jsp view name. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

286 views

1 answer

python pandas convert index to datetime

How do i convert a pandas index of strings to datetime format my dataframe 'df' is like this value 2015-09-25 00:46 ... df['A'] = df.index.hour See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

403 views

1 answer

ruby on rails - Use YAML with variables

Are variables within YAML files possible? For example: theme: name: default css_path: compiled/themes/$theme.name ... What is the syntax? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

260 views

1 answer

c++ - Definition of int64_t

I am new to C/C++, so I have a couple of questions about a basic type: a) Can you explain to ... includes that provide a declaration of int64_t? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

281 views

1 answer

Python 3.1.1 string to hex

I am trying to use str.encode() but I get >>> "hello".encode(hex) Traceback (most recent call last): File "< ... get them to work in Python 3.1? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

254 views

1 answer

Raise a validation error in a model's save method in Django

I'm not sure how to properly raise a validation error in a model's save method and send back a clear ... and tune everything from the model. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

608 views

1 answer

angularjs - Angular, content type is not being sent with $http

Angular is not adding the correct content type option, I tried the following command: $http({ url: "http:// ... Am I missing something here ? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

556 views

1 answer

objective c - Heart Rate data on apple Watch

Can we access the heart rate directly from the apple watch? I know this is a duplicate question, but no one has ... "real-time" that will be. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

397 views

1 answer

php - Can't install laravel installer via composer

I'm trying to install laravel installer with the composer on my Ubuntu PC, but I get this error during ... global require "laravel/installer" See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

671 views

1 answer

dictionary - How to use dot notation for dict in python?

I'm very new to python and I wish I could do . notation to access values of a dict. Lets say I have ... no key matches' Why is this happening? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

470 views

1 answer

linux - Take nth column in a text file

I have a text file: 1 Q0 1657 1 19.6117 Exp 1 Q0 1410 2 18.8302 Exp 2 Q0 3078 1 18.6695 Exp 2 Q0 ... files. Is there a simpler way to do this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

425 views

1 answer

javascript - Iteration ng-repeat only X times in AngularJs

How can I use ng-repeat like for in Javascript? example: <div ng-repeat="4">Text</div> I want to iterate with ... 4 times but 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)

0 votes

444 views

1 answer

How to convert signed to unsigned integer in python

Let's say I have this number i = -6884376. How do I refer to it as to an unsigned variable? Something like (unsigned long)i in C. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

260 views

1 answer

python - How to generate audio from a numpy array?

I want to create "heart rate monitor" effect from a 2D array in numpy and want the tone to reflect the values in the array. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

549 views

1 answer

css - CSS3 opacity gradient?

I am looking to create an effect like this, but my website has a dynamic background-color. Note that this example ... do this entirely in CSS? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

679 views

1 answer

string - How to convert text to binary code in JavaScript?

Text to Binary Code I want JavaScript to translate text in a textarea into binary code. For example, if ... this possible in native JavaScript? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

233 views

1 answer

php - Handling expired token in Laravel

What is the best way to handle expired tokens in laravel 5. I mean I have a page and it has some links which ... fix. I hope you got my point. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

372 views

1 answer

operators - Valid identifier characters in Scala

One thing I find quite confusing is knowing which characters and combinations I can use in method and variable ... not count as operators? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

751 views

1 answer

database - How to resolve ORA-011033: ORACLE initialization or shutdown in progress

When trying to connect to an ORACLE user via TOAD (Quest Software) or any other means (Oracle ... initialization or shutdown in progress See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

254 views

1 answer

android - Animation.setFillAfter/Before - Do they work/What are they for?

As in the title of my question what are the methods setFillBefore() and setFillAfter() supposed to do? I ... completed, but this is incorrect? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

628 views

1 answer

algorithm - Smooth spectrum for Mandelbrot Set rendering

I'm currently writing a program to generate really enormous (65536x65536 pixels and above) Mandelbrot images, and I' ... isn't too obvious. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

381 views

1 answer

python - Efficiently create sparse pivot tables in pandas?

I'm working turning a list of records with two columns (A and B) into a matrix representation. I have been ... and then converting it to sparse. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

270 views

1 answer

Global Hotkey with X11/Xlib

My goal is to have a program that sleeps in the background but can be activated by the user via some "hotkey ... XCloseDisplay(dpy); return 0; } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

429 views

1 answer

c# - Encrypting credentials in a WPF application

In a WPF application, I would like to provide the typical "Remember Me" option to remember credentials and use ... key completely out of reach? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

262 views

1 answer

FFMPEG integration on iphone/ ipad project

Can any One Tell me how do i integrate FFMPEG in my iphone/ ipad project.i m using Xcode 4. i searched ... FFMpeg in my project. thanks, See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

268 views

1 answer

android - Determine when a ViewPager changes pages

I have three pages (Fragments) inside a ViewPager, however I only want to display a menu item for two of those ... Could I have some help here? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

400 views

1 answer

Android - Emulator in landscape mode, screen does not rotate

When I switch to landscape mode (NUMPAD 7 or CTRL+F11) the emulator rotates the screen to landscape orientation ... device to rotate properly? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

Categories

Recent questions

Just Browsing Browsing

Most popular tags