OStack Q&A-Knowledge Sharing Community

0 votes

435 views

1 answer

callstack - How do you find out the caller function in JavaScript?

function main() { Hello(); } function Hello() { // How do you find out the caller function is 'main'? } Is there a way to find out the call stack? Question&Answers:os...

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

0 votes

93 views

1 answer

python - Pass a list to a function to act as multiple arguments

I think 'unpack' might be the wrong vocabulary here - apologies because I'm sure this is a duplicate question. My ... 'red','blue','orange' on the hoof? Question&Answers:os...

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

0 votes

352 views

1 answer

jquery - $(this) inside of AJAX success not working

I am trying to change some old code which uses onclick so that I an use the $(this). The problem is that $(this) is ... $(this).addClass("test"); } } }); }); Question&Answers:os...

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

0 votes

112 views

1 answer

python - tkinter: how to use after method

Hey I am new to python and am using tkinter for my gui. I am having trouble using the "after" method. ... 't know what which argument follows the 500. Thanks Question&Answers:os...

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

0 votes

296 views

1 answer

jQuery UI DatePicker - Change Date Format

I am using the UI DatePicker from jQuery UI as the stand alone picker. I have this code: <div id="datepicker"> ... can get it returned in the format DD-MM-YYYY? Question&Answers:os...

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

0 votes

81 views

1 answer

javascript - Check if an image is loaded (no errors) with jQuery

I'm using JavaScript with the jQuery library to manipulate image thumbnails contained in a unordered list. When the ... 't tell if an error occurred instead. Question&Answers:os...

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

0 votes

446 views

1 answer

php - Row count with PDO

There are many conflicting statements around. What is the best way to get the row count using PDO in PHP? Before ... for my use. Do you have any suggestions? Question&Answers:os...

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

0 votes

148 views

1 answer

html - 'transform3d' not working with position: fixed children

I have a situation where, in normal CSS circumstances, a fixed div would be positioned exactly where it is specified (top:0px, ... </div> </div> </div> </div> Question&Answers:os...

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

0 votes

98 views

1 answer

c - Length of array in function argument

This is well known code to compute array length in C: sizeof(array)/sizeof(type) But I can't seem to find out ... if so, why is there the redundancy in main. Question&Answers:os...

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

0 votes

105 views

1 answer

javascript - How can I get the data-id attribute?

I'm using the jQuery Quicksand plugin. I need to get the data-id of the clicked item and pass it to a webservice. How do I ... get data-id" /> </a> </li> </ul> Question&Answers:os...

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

0 votes

184 views

1 answer

python - Remove all occurrences of a value from a list?

In Python remove() will remove the first occurrence of value in a list. How to remove all occurrences of a value from a list? This ... 2, 3], 2) [1, 3, 4, 3] Question&Answers:os...

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

0 votes

183 views

1 answer

What is Java String interning?

What is String Interning in Java, when I should use it, and why? Question&Answers:os...

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

0 votes

59 views

1 answer

java - Socket using in a swing applet

I should made a server & client in Java,based on Swing and gui.I neeed to make somehow a socket that will go ... example or can explain how is it being done? Question&Answers:os...

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

0 votes

162 views

1 answer

javascript - How to force JS to do math instead of putting two strings together

This question already has answers here: Question&Answers:os...

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

0 votes

394 views

1 answer

node.js - What's the difference between tilde(~) and caret(^) in package.json?

After I upgraded to the latest stable node and npm, I tried npm install moment --save. It saves the entry in ... caret ^? What are the advantages over others? Question&Answers:os...

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

0 votes

198 views

1 answer

javascript - How to measure time taken by a function to execute

I need to get execution time in milliseconds. I originally asked this question back in 2008. The accepted answer ... changing the accepted answer to this one. Question&Answers:os...

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

0 votes

140 views

1 answer

python - Count the number of occurrences of a character in a string

What's the simplest way to count the number of occurrences of a character in a string? e.g. count the number of ... 'a' appears in 'Mary had a little lamb'. Question&Answers:os...

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

0 votes

69 views

1 answer

How to change an application icon programmatically in Android?

Is it possible to change an application icon directly from the program? I mean, change icon.png in the ... see the previously selected icon in the launcher. Question&Answers:os...

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

0 votes

702 views

1 answer

perl - Why is XML::Simple Discouraged?

From the documentation of XML::Simple: The use of this module in new code is discouraged. Other modules are available ... me what the key reasons for this are? Question&Answers:os...

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

0 votes

59 views

1 answer

How is Docker different from a virtual machine?

I keep rereading the Docker documentation to try to understand the difference between Docker and a full ... deploying to a consistent production environment? Question&Answers:os...

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

0 votes

97 views

1 answer

How to change the URI (URL) for a remote Git repository?

I have a repo (origin) on a USB key that I cloned on my hard drive (local). I moved "origin" to a NAS and ... the old one (I fear I'll break my history). Question&Answers:os...

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

0 votes

327 views

1 answer

c# - .NET String.Format() to add commas in thousands place for a number

I want to add a comma in the thousands place for a number. String.Format()? Question&Answers:os...

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

0 votes

556 views

1 answer

jsf - ViewParam vs @ManagedProperty(value = "#{param.id}")

What is the difference between defining View Params like this: <f:metadata> <f:viewParam name="id" value="#{someBean. ... = "#{param.id}") private Integer id; Question&Answers:os...

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

0 votes

606 views

1 answer

jQuery Validate - Enable validation for hidden fields

In the new version of jQuery validation plugin 1.9 by default validation of hidden fields ignored. I'm using ... $.validator.setDefaults({ ignore: '' }); Question&Answers:os...

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

0 votes

70 views

1 answer

c# - Group By Multiple Columns

How can I do GroupBy multiple columns in LINQ Something similar to this in SQL: SELECT * FROM < ... Quantity) FROM @Transactions GROUP BY MaterialID, ProductID Question&Answers:os...

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

0 votes

806 views

1 answer

servlets - java.lang.IllegalStateException: Cannot (forward | sendRedirect | create session) after response has been committed

This method throws java.lang.IllegalStateException: Cannot forward after response has been committed and I am unable to ... jsp").forward(request, response); } Question&Answers:os...

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

0 votes

58 views

1 answer

How do I read and write CSV files with Python?

I have a file example.csv with the contents 1,"A towel,",1.0 42," it says, ",2.0 1337,is about the most ,- ... )] How do I write data to a CSV file with Python? Question&Answers:os...

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

0 votes

711 views

1 answer

game physics - Is it possible to make realistic n-body solar system simulation in matter of size and mass?

Important note: this question has utterly no relation to "PhysX", which is a computer-game-physics system ( ... almost started every paragraph with "So" ^^ Question&Answers:os...

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

Categories

Recent questions

Just Browsing Browsing

Most popular tags