OStack Q&A-Knowledge Sharing Community

0 votes

122 views

1 answer

How do you load array and object from Cloud Firestore in Flutter

I have a class that has several embedded arrays as well as a couple of objects. I'm using Flutter and ... specifically, the "itemCounts" member. See Question&Answers more detail:os...

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

0 votes

342 views

1 answer

Calling C# code from Java?

Does anyone have a good solution for integrating some C# code into a java application? The code is small, ... " another runtime is irrelevant. 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

javascript - Can I disable SOP (Same Origin Policy) on any browser for development?

I want to develop JavaScript on my Windows machine. Do you know a browser where I can turn off Same Origin ... with the JavaSCript SOAP Client. See Question&Answers more detail:os...

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

0 votes

298 views

1 answer

c++ - GCC ABI compatibility

As far as I've understood, it is not possible to link libraries that use different versions of GCC's ... I can combine GCC versions? See Question&Answers more detail:os...

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

0 votes

328 views

1 answer

MySQL Fire Trigger for both Insert and Update

Is it possible to fire a mysql trigger for both the insert and update events of a table? I know I can do the ... I don't want to repeat it. 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

Is it possible to use the Java 8 Stream API on Android API < 24?

I've read this post here. But still I cannot run code containing Java 8 Stream API features like the ... does someone know a solution? See Question&Answers more detail:os...

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

0 votes

1.4k views

1 answer

makefile - CMAKE_MAKE_PROGRAM not found

I have reached the end of my rope with CMake; it has so much potential, but I cannot seem to make it find ... 7 (64-bit) / MinGW combination? See Question&Answers more detail:os...

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

0 votes

1.3k views

1 answer

http - How to get the previous url using PHP

Suppose my site's url is given as hyperlink on some page on the internet; that page could be anything on ... the visitor came to my page? See Question&Answers more detail:os...

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

0 votes

276 views

1 answer

java - Deserializing Generic Types with GSON

I have some problems with implementation of Json Deserialization in my Android application (with Gson library) ... creating custom deserializer? See Question&Answers more detail:os...

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

0 votes

604 views

1 answer

python - Django orm get latest for each group

I am using Django 1.6 with Mysql. I have these models: class Student(models.Model): username = models.CharField( ... group but it did not help. See Question&Answers more detail:os...

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

0 votes

783 views

1 answer

git - Github remote push pack size exceeded

I am new to Git and have a fairly large project that I want to push to a remote repo (Repo B) on Github ... is a micro account if that matters. See Question&Answers more detail:os...

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

0 votes

391 views

1 answer

javascript - How to resize html canvas element?

I have a canvas element defined statically in the html with a width and height. If I attempt to use JavaScript to ... a new element on the fly? See Question&Answers more detail:os...

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

0 votes

312 views

1 answer

uicomponents - Find component by ID in JSF

I want to find some UIComponent from managed bean by the id that I have provided. I have ... "adminTabView:activityForm:activityDescription"? 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

regex - How do I get the match data for all occurrences of a Ruby regular expression in a string?

I need the MatchData for each occurrence of a regular expression in a string. This is different than the scan ... I've overlooked. Suggestions? See Question&Answers more detail:os...

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

0 votes

371 views

1 answer

css transitions - Two-tone background split by diagonal line using css

I am trying to create a background using css where one side is a solid color and the other is a ... advice would be greatly appreciated. See Question&Answers more detail:os...

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

0 votes

127 views

1 answer

Check browser CSS property support with JavaScript?

Is it possible in JavaScript to know if a CSS property is supported by the client browser? I'm talking about ... if the browser supports them. See Question&Answers more detail:os...

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

0 votes

103 views

1 answer

ios - How to show a custom UIMenuItem for a UITableViewCell?

I want the UIMenuController that pops up when I long-press a UITableViewCell to show custom UIMenuItems. I set ... UIMenuController, doesn't it? See Question&Answers more detail:os...

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

0 votes

627 views

1 answer

inheritance - Can I construct a JavaScript object without using the new keyword?

Here is what I'd like to do: function a() { // ... } function b() { // Some magic, return a new object. ... -> true a() instanceof a // -> true See Question&Answers more detail:os...

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

0 votes

173 views

1 answer

PHP, MySQL and Time Zones

I am trying to integrate a timezone system in my app, i've really tried hard on avoiding making ... provide code examples where necessary. See Question&Answers more detail:os...

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

0 votes

130 views

1 answer

objective c - Use and Access Existing SQLite Database on iOS

I have a fully populated database in SQLite that I'd like to use in my new app. It's rather large, so I'd ... access it? How do I reference it? See Question&Answers more detail:os...

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

0 votes

171 views

1 answer

android - How to run a service every day at noon, and on every boot

In my app I have SQLite database that has one table with date rows in milliseconds. I would like to have ... day without app running. thanks See Question&Answers more detail:os...

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

0 votes

305 views

1 answer

objective c - Is it possible to use Swift's Enum in Obj-C?

I'm trying to convert some of my Obj-C class to Swift. And some other Obj-C classes still using enum in ... by adding @objc in front of enum See Question&Answers more detail:os...

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

0 votes

701 views

1 answer

PostgreSQL array of elements that each are a foreign key

I am attempting to create a DB for my app and one thing I'd like to find the best way of doing is ... just go down my third table route. See Question&Answers more detail:os...

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

0 votes

283 views

1 answer

Getting values from JSON using Python

While I am trying to retrieve values from JSON string, it gives me an error: data = json.loads('{"lat":444, "lon ... lat and lon? (444 and 555) See Question&Answers more detail:os...

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

0 votes

220 views

1 answer

python - Jinja2: Change the value of a variable inside a loop

I want to change the value of the variable declared outside the loop within a loop. But always changing, ... another more elegant solution? See Question&Answers more detail:os...

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

0 votes

292 views

1 answer

Aggregate function in SQL WHERE-Clause

In a test at university there was a question; is it possible to use an aggregate function in the SQL ... specification where it is described. See Question&Answers more detail:os...

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

0 votes

115 views

1 answer

ios - Can UIView be copied?

Simply using this way: UIView* view2 = [view1 copy]; // view1 existed This will cause simulator can not launch ... copied? What is the reason? See Question&Answers more detail:os...

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

0 votes

1.4k views

1 answer

wpf - Trouble referencing a Resource Dictionary that contains a Merged Dictionary

I have a library, CommonLibraryWpfThemes, with several Resource Dictionary XAML files in it. My Themes/Generic. ... .Resources> </Application> 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