OStack Q&A-Knowledge Sharing Community

0 votes

224 views

1 answer

How can I generate an MD5 hash in Java?

Is there any method to generate MD5 hash of a string in Java? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

276 views

1 answer

Python Dictionary Comprehension

Is it possible to create a dictionary comprehension in Python (for the keys)? Without list comprehensions, you can ... also raises a SyntaxError on the for. Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

128 views

1 answer

.net - Clean up Excel Interop Objects with IDisposable

In my company the common way to release Excel Interop Objects is to use IDisposable the following way: Public ... objects? If so, what are these disadvantages. Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

187 views

1 answer

html - Proper use of flex properties when nesting flex containers

I am having problems using flexbox properly and wanted to get some clarification on how nesting parent and child elements works. ... '>child</div> </div> </div> Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

275 views

1 answer

c++ - Why does reading a record struct fields from std::istream fail, and how can I fix it?

Suppose we have the following situation: A record struct is declared as follows struct Person { unsigned int id; ... 3476 signal:-1 stderr: Input format error! Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

77 views

1 answer

python - How can I convert JSON to CSV?

I have a JSON file I want to convert to a CSV file. How can I do this with Python? I tried: import json import ... : "Can add message", "content_type": 4 } } ] Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

54 views

1 answer

What is JSON and what is it used for?

I've looked on Wikipedia and Googled it and read the official documentation, but I still haven't got to the ... it. Can someone give me a succinct explanation? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

551 views

1 answer

python - selenium.common.exceptions.NoSuchElementException: Message: no such element: Unable to locate element while trying to click Next button with selenium

So Im trying to I click the next button using selenium, I've tried with the code below, but it ends in error ... as to how to click that button without errors? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

396 views

1 answer

git - How to cherry-pick a range of commits and merge them into another branch?

I have the following repository layout: master branch (production) integration working What I want to achieve is ... Any pointers or thoughts on this? Thanks! Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

77 views

1 answer

java - Difference between int[] array and int array[]

I have recently been thinking about the difference between the two ways of defining an array: int[] array int array[] Is there a difference? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

449 views

1 answer

python - pip install failing with: OSError: [Errno 13] Permission denied on directory

pip install -r requirements.txt fails with the exception below OSError: [Errno 13] Permission denied: '/usr/local/lib/ ... 7/dist-packages/amqp-1.4.6.dist-info' Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

127 views

1 answer

javascript - HTML Entity Decode

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

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

99 views

1 answer

javascript - Should all jquery events be bound to $(document)?

Where this is coming from When I first learned jQuery, I normally attached events like this: $('.my-widget a'). ... /speed/speed.html http://api.jquery.com/on/ Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

157 views

1 answer

c++ - OpenGL - vertex normals in OBJ

I want to know how can I use the vertex normals for lightning effect? Currently what I have is I can send both ... color * (lt_amb_col + (lt_pnt_col * li)); } Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

164 views

1 answer

Using a dispatch_once singleton model in Swift

I'm trying to work out an appropriate singleton model for usage in Swift. So far, I've been able ... a matter of getting the dispatch_once_t correctly defined. Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

76 views

1 answer

c# - How can I get the application's path in a .NET console application?

How do I find the application's path in a console application? In Windows Forms, I can use Application. ... seem to be available in a console application. Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

347 views

1 answer

Dots in URL causes 404 with ASP.NET mvc and IIS

I have a project that requires my URLs have dots in the path. For example I may have a URL such as www.example. ... to configure so I can have dots in my URL? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

264 views

1 answer

linux - Facing an error "*** glibc detected *** free(): invalid next size (fast)"

Please see MSO question A long list of possible duplicates -?C memory allocation and overrunning bounds for ... these approaches and how should I proceed? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

264 views

1 answer

oop - What does 'super' do in Python? - difference between super().__init__() and explicit superclass __init__()

What's the difference between: class Child(SomeBaseClass): def __init__(self): super(Child, self).__init__() and: ... of using it in this kind of situation. Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

266 views

1 answer

c - Specifically, what's dangerous about casting the result of malloc?

Now before people start marking this a dup, I've read all the following, none of which provide the answer I'm ... be crawled or displayed due to robots.txt."}) Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

200 views

1 answer

How exactly does the android:onClick XML attribute differ from setOnClickListener?

From that I've read you can assign a onClick handler to a button in two ways. Using the android:onClick XML ... done via code and not in the XML layout. Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

152 views

1 answer

rust - What are non-lexical lifetimes?

Rust has an RFC related to non-lexical lifetimes which has been approved to be implemented in the language for a ... is: what exactly is a non-lexical lifetime? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

89 views

1 answer

javascript - What's the difference between '$(this)' and 'this'?

I am currently working through this tutorial: Getting Started with jQuery For the two examples below: $(" ... special jQuery-only functions. Is this correct? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

518 views

1 answer

javascript - Pass correct "this" context to setTimeout callback?

How do I pass context into setTimeout? I want to call this.tip.destroy() if this.options.destroyOnHide after 1000 ... try the above, this refers to the window. Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

208 views

1 answer

java - Iterate through a HashMap

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

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

118 views

1 answer

How to return only the Date from a SQL Server DateTime datatype

SELECT GETDATE() Returns: 2008-09-22 15:24:13.790 I want that date part without the time part: 2008-09-22 00:00:00.000 How can I get that? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

81 views

1 answer

c# - How to get the list of properties of a class?

How do I get a list of all the properties of a class? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

140 views

1 answer

python - Loop "Forgets" to Remove Some Items

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

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

Categories

Recent questions

Just Browsing Browsing

Most popular tags