OStack Q&A-Knowledge Sharing Community

0 votes

639 views

1 answer

I have some typical tab content and I really need some help. I would like to achieve, that when user tries to ... the correct tab does not open. 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

HTML <base> TAG and local folder path with Internet Explorer

I am trying to use < base> TAG to indicate the source folder containing the media files for my html pages ... it work with IE and Firefox? See Question&Answers more detail:os...

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

0 votes

229 views

1 answer

Python equivalent of PHP's compact() and extract()

compact() and extract() are functions in PHP I find tremendously handy. compact() takes a list of names in ... that obviates the need for this? See Question&Answers more detail:os...

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

0 votes

288 views

1 answer

Definitive retroactive .gitignore (how to make Git completely/retroactively forget about a file now in .gitignore)

Preface This question attempts to clear the confusion regarding applying .gitignore retroactively, not just to the ... into every commit. 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

Change File Extension Using C#

I have many file types: pdf, tiff, jpeg, bmp. etc. My question is how can I change file extension? I tried ... .jpeg and delete the file then. See Question&Answers more detail:os...

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

0 votes

559 views

1 answer

sql - Error message: (provider: Shared Memory Provider, error: 0 - No process is on the other end of the pipe.)

I am trying to deploy my website on windows server 2003. Am i missing something or what is wrong ... in C:DevCodeAPIDataSessionManager.cs:27 See Question&Answers more detail:os...

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

0 votes

603 views

1 answer

c++ - How to declare constexpr extern?

Is it possible to declare a variable extern constexpr and define it in another file? I tried it but the compiler ... : constexpr int i = 10; See Question&Answers more detail:os...

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

0 votes

786 views

1 answer

postgresql - How to add a new Column in a table after the 2nd or 3rd column in the Table using postgres?

How to add a new column in a table after the 2nd or 3rd column in the table using postgres? My ... ADD COLUMN contract_nr int after owner_id 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

java - Didn't find class "androidx.core.app.CoreComponentFactory"

I don't know what to do about the following errors, I've searched the web but not found anything: java. ... 'com.google.gms.google-services' See Question&Answers more detail:os...

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

0 votes

553 views

1 answer

android - java.lang.IllegalArgumentException: Can only use lower 16 bits for requestCode

I am writing an application where Activity A launches Activity B using startActivityForResult(intent, -101); but when ... any idea on this? See Question&Answers more detail:os...

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

0 votes

326 views

1 answer

Which graphic file formats are supported by browsers?

JPEG, GIF and PNG can be displayed with the img tag and will work in all browsers, the object element can be use for ... SVG, PCX, PICT, etc..) See Question&Answers more detail:os...

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

0 votes

733 views

1 answer

css - Webkit backface visibility not working

I'm building a simple example to flip a card using the -webkit-transform: rotateY property. It was working fine ... a problem with my code? See Question&Answers more detail:os...

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

0 votes

225 views

1 answer

Python timedelta issue with negative values

Hi I need some help to understand why this is happening. I have a method to track 'time remaining' in an event ... (e, value)) return ''v See Question&Answers more detail:os...

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

0 votes

480 views

1 answer

c# - How is the boxing/unboxing behavior of Nullable<T> possible?

Something just occurred to me earlier today that has got me scratching my head. Any variable of type Nullable<T> ... a Nullable<T> as object? See Question&Answers more detail:os...

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

0 votes

362 views

1 answer

java - How do I mock static methods in a class with easymock?

Suppose I have a class like so: public class StaticDude{ public static Object getGroove() { // ... some complex ... I am using easy mock 3.0 See Question&Answers more detail:os...

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

0 votes

379 views

1 answer

Simplest way to detect client locale in PHP

I would like to be able to detect what country a visitor is from on my website, using PHP. Please note that ... what country a visitor is from? See Question&Answers more detail:os...

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

0 votes

779 views

1 answer

web config - How to configure invariant culture in ASP.NET globalization?

I need to fix CurrentCulture as the invariant culture in an ASP.NET application. How can I do this? <configuration> <system. ... ="???" /> ... See Question&Answers more detail:os...

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

0 votes

558 views

1 answer

image - How to convert getRGB(x,y) integer pixel to Color(r,g,b,a) in Java?

I have the integer pixel I got from getRGB(x,y), but I don't have any clue about how to convert it to RGBA ... Color(0,200,0,255). Any tips? See Question&Answers more detail:os...

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

0 votes

352 views

1 answer

Regex: Matching by exclusion, without look-ahead - is it possible?

In some regex flavors, [negative] zero-width assertions (look-ahead/look-behind) are not supported. This makes it ... set aside for the moment)? See Question&Answers more detail:os...

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

0 votes

245 views

1 answer

c - How to signal select() to return immediately?

I have a worker thread that is listening to a TCP socket for incoming traffic, and buffering the received data ... wrap it, if necessary. See Question&Answers more detail:os...

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

0 votes

596 views

1 answer

unix - Variables as commands in bash scripts

I am writing a very simple bash script that tars a given directory, encrypts the output of that, and then ... how Bash is escaping things. See Question&Answers more detail:os...

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

0 votes

376 views

1 answer

php GD create a transparent png image

I'm trying to create a transparent png image and layer various other pngs and jpgs to create a final png with ... /$fn"; } imagedestroy($image); See Question&Answers more detail:os...

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

0 votes

278 views

1 answer

Spring and hibernate: No Session found for current thread

im gettting the following error org.hibernate.HibernateException: No Session found for current thread at org. ... the following error? 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

c - How to get the length of a function in bytes?

I want to know the length of C function (written by me) at runtime. Any method to get it? It seems sizeof doesn't work here. See Question&Answers more detail:os...

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

0 votes

247 views

1 answer

Adding items to Swift array across multiple threads causing issues (because arrays aren't thread safe) - how do I get around that?

I want to add given blocks to an array, and then run all the blocks contained in the array, when requested ... .blocksArray.append(block) } } See Question&Answers more detail:os...

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

0 votes

243 views

1 answer

php - getting current URL

I am using following code to get the current URL $current_url = "http://".$_SERVER['HTTP_HOST'].$_SERVER[' ... to get current URL? Thanks. See Question&Answers more detail:os...

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

0 votes

180 views

1 answer

Decoding JSON String in Java

I am new to using the json-simple library in Java and I've been through both the encoding and decoding samples ... to decode this JSON as shown? See Question&Answers more detail:os...

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

0 votes

144 views

1 answer

How to move a document in Cloud Firestore?

Can someone help me how to rename, move or update document or collection names in Cloud Firestore? Also is ... from terminal or any 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