OStack Q&A-Knowledge Sharing Community

0 votes

723 views

1 answer

class - Dynamic static method call in PHP?

Please could someone experienced in PHP help out with the following. Somewhere in my code, I have a call to a ... any sense, anyone? Thanks. See Question&Answers more detail:os...

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

0 votes

542 views

1 answer

unicode - Ruby 1.9: how can I properly upcase & downcase multibyte strings?

So matz made the decision to keep upcase and downcase limited to /[A-Z]/i in ruby 1.9.1. ActiveSupport ... branches at GitHub. Same results. See Question&Answers more detail:os...

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

0 votes

427 views

1 answer

python - Django model inheritance: create sub-instance of existing instance (downcast)?

I'm trying to integrate a 3rd party Django app that made the unfortunate decision to inherit from django.contrib. ... User with empty strings... See Question&Answers more detail:os...

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

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)

0 votes

285 views

1 answer

java - How do you have the code pause for a couple of seconds in android?

Basically I need a pause (based on just a few seconds) to be put into one action so that the user ... really hating event driven programming). See Question&Answers more detail:os...

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

0 votes

263 views

1 answer

sql - Eliminating duplicate values based on only one column of the table

My query: SELECT sites.siteName, sites.siteIP, history.date FROM sites INNER JOIN history ON sites.siteName = history.siteName ... 1, 3, 6, 10 See Question&Answers more detail:os...

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

0 votes

993 views

1 answer

lua - Safely remove items from an array table while iterating

This question is similar to How can I safely iterate a lua table while keys are being removed but distinctly different. ... i + 1 end end end See Question&Answers more detail:os...

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

0 votes

585 views

1 answer

multithreading - Using C/Pthreads: do shared variables need to be volatile?

In the C programming language and Pthreads as the threading library; do variables/structures that are shared between ... a shared variable... See Question&Answers more detail:os...

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

0 votes

384 views

1 answer

Scala: convert map to case class

Let's say I have this example case class case class Test(key1: Int, key2: String, key3: String) And I have ... I somehow use implicit for this? See Question&Answers more detail:os...

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

0 votes

411 views

1 answer

r - Why is enquo + !! preferable to substitute + eval

In the following example, why should we favour using f1 over f2? Is it more efficient in some sense? For ... , clarity, compositionality,...)? See Question&Answers more detail:os...

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

0 votes

452 views

1 answer

Can Android's WebView automatically resize huge images?

In some web browsers, huge images are automatically resized to fit the screen. Is it possible to do the same in ... of the image in advance. See Question&Answers more detail:os...

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

0 votes

367 views

1 answer

html - Using local file for Web Audio API in Javascript

I'm trying to get sound working on my iPhone game using the Web Audio API. The problem is that this app is ... your own domain should be ok? See Question&Answers more detail:os...

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

0 votes

462 views

1 answer

javascript - Change image in HTML page every few seconds

I want to change images every few seconds, this is my code: <?xml version = "1.0" encoding = "utf-8"?> <! ... I have no idea how to do that. See Question&Answers more detail:os...

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

0 votes

303 views

1 answer

javascript - Dynamically loading templates in Meteor.js

I would like the ability to load templates dynamically without explicitly specifying the template. As an example: < ... ); Is this possible? See Question&Answers more detail:os...

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

0 votes

452 views

1 answer

Get a list of all active sessions in ASP.NET

I know what user is logged in with the following line of code: Session["loggedInUserId"] = userId; The ... " sessions that are active? See Question&Answers more detail:os...

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

0 votes

399 views

1 answer

c - Why do I get a warning every time I use malloc?

If I use malloc in my code: int *x = malloc(sizeof(int)); I get this warning from gcc: new.c:7 ... declaration of built-in function malloc' See Question&Answers more detail:os...

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

0 votes

673 views

1 answer

javascript - Access to Image from origin 'null' has been blocked by CORS policy

I have JavaScript application in OpenLayers 3, and my base layer is created from local tiles. I work only in ... never had that error before. See Question&Answers more detail:os...

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

0 votes

160 views

1 answer

Android ViewPager get the current View

I have a ViewPager, and I'd like to get the current selected and visible view, not a position. ... view.findViewById(R.id.ListViewItems); See Question&Answers more detail:os...

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

0 votes

277 views

1 answer

How to compare two dates to find time difference in SQL Server 2005, date manipulation

I have two columns: job_start job_end 2011-11-02 12:20:37.247 2011-11-02 13:35:14.613 How would it be possible ... : 1900-01-01 01:14:37.367 See Question&Answers more detail:os...

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

0 votes

602 views

1 answer

mysql - SQL Query to get column values that correspond with MAX value of another column?

Ok, this is my query: SELECT video_category, video_url, video_date, video_title, short_description, MAX(video_id) ... BY video_category ASC 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

c - How do I print a non-null-terminated string using printf?

How can I print a non-null-terminated string using printf, assuming that I know the length of the string at runtime? See Question&Answers more detail:os...

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

0 votes

607 views

1 answer

refresh - How do I reload a page without a POSTDATA warning in Javascript?

I want to reload a page using: window.location.reload(true); But I receive the POSTDATA warning because the ... 't workaround the POST itself! 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

javascript - What does _.debounce do?

A project I've been working on uses _.debounce(). The Underscore JS documentation for debounce reads as ... What does debounce actually do? See Question&Answers more detail:os...

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

0 votes

414 views

1 answer

jquery - Storing a variable in the JavaScript 'window' object is a proper way to use that object?

(Maybe) I just solved a my problem (How to update front-end content after that a form is successfully submitted ... this; }); is advisable? See Question&Answers more detail:os...

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

0 votes

357 views

1 answer

How to hide Android soft keyboard on EditText

I have an Activity with some EditText fields and some buttons as a convenience for what normally would be used to ... Why isn't this working? See Question&Answers more detail:os...

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

0 votes

209 views

1 answer

How to attach Android Source to Eclipse

I've previously had success attaching the Android Source to Eclipse by following Finn Johnsen's instructions here ... for accomplishing this? See Question&Answers more detail:os...

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

0 votes

598 views

1 answer

bash - Shell variables set inside while loop not visible outside of it

I am trying to find the pathname with the most characters in it. There might be better ways to do this. ... not make these variables global? See Question&Answers more detail:os...

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

0 votes

239 views

1 answer

Handle fatal errors in PHP using register_shutdown_function()

According to the comment on this answer it is possible to catch Fatal Errors through a shutdown function which ... create a proper backtrace? 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