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Capturing console output from a .NET application (C#)

How do I invoke a console application from my .NET application and capture all the output generated in the console? ( ... I would love to receive it as live.) Question&Answers:os...

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

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94 views

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java - How can I add to List<? extends Number> data structures?

I have a List which is declared like this : List<? extends Number> foo3 = new ArrayList<Integer>(); ... > is not applicable for the arguments (ExtendsNumber) Question&Answers:os...

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

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88 views

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java - Difference between Inheritance and Composition

Are Composition and Inheritance the same? If I want to implement the composition pattern, how can I do that in Java? Question&Answers:os...

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

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380 views

1 answer

sorting - Swift how to sort array of custom objects by property value

lets say we have a custom class named imageFile and this class contains two properties. class imageFile { var fileName ... images array by 'fileID' ASC or DESC? Question&Answers:os...

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

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190 views

1 answer

algorithm - How to create the most compact mapping n → isprime(n) up to a limit N?

Naturally, for bool isprime(number) there would be a data structure I could query. I define the best algorithm, to be ... of bits. How do I solve the problem? Question&Answers:os...

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

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439 views

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.net - Introducing FOREIGN KEY constraint may cause cycles or multiple cascade paths - why?

I've been wrestling with this for a while and can't quite figure out what's happening. I have a Card entity ... properties if possible... what am I doing wrong? Question&Answers:os...

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

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71 views

1 answer

How do you check that a number is NaN in JavaScript?

I've only been trying it in Firefox's JavaScript console, but neither of the following statements return true: ... ; parseFloat('geoff') == Number.NaN; Question&Answers:os...

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

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1.1k views

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sockets - java.net.SocketException: Connection reset

I am getting the following error trying to read from a socket. I'm doing a readInt() on that InputStream, and ... it, hopefully not a red herring. :-( Question&Answers:os...

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

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167 views

1 answer

c++ - How to enforce move semantics when a vector grows?

I have a std::vector of objects of a certain class A. The class is non-trivial and has copy constructors ... move constructor of class A is beging used instead? Question&Answers:os...

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

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182 views

1 answer

html - Bootstrap row with columns of different height

I currently have something like: <div class="row"> <div class="col-md-4">Content</div> <div class=" ... fall directly under the last element ("Masonry" layout) Question&Answers:os...

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

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155 views

1 answer

git - How do I list all of the files in a commit?

I am looking for a simple Git command that provides a nicely formatted list of all files that were part of the ... avoid parsing it from the git show output? Question&Answers:os...

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

0 votes

141 views

1 answer

sql - Using group by on multiple columns

I understand the point of GROUP BY x. But how does GROUP BY x, y work, and what does it mean? Question&Answers:os...

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

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195 views

1 answer

python - How do I resize an image using PIL and maintain its aspect ratio?

Is there an obvious way to do this that I'm missing? I'm just trying to make thumbnails. Question&Answers:os...

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

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277 views

1 answer

ios - Convert between UIImage and Base64 string

Does anyone know how to convert a UIImage to a Base64 string, and then reverse it? I have the below ... NSString *base64String = [self encodeBase64:imageData]; Question&Answers:os...

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

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218 views

1 answer

python - Create list of single item repeated N times

I want to create a series of lists, all of varying lengths. Each list will contain the same element e, repeated n ... e for number in xrange(n)] for each list? Question&Answers:os...

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

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92 views

1 answer

How to simulate a click with JavaScript?

I'm just wondering how I can use JavaScript to simulate a click on an element. Currently I have: function simulateClick( ... But it's not working :( Any ideas? Question&Answers:os...

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

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748 views

1 answer

batch file - What does %~dp0 mean, and how does it work?

I find %~dp0 very useful, and I use it a lot to make my batch files more portable. But the label ... a documented feature, or something prone to be deprecated. Question&Answers:os...

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

0 votes

403 views

1 answer

RegEx: Grabbing values between quotation marks

I have a value like this: "Foo Bar" "Another Value" something else What regex will return the values enclosed in the ... marks (e.g. Foo Bar and Another Value)? Question&Answers:os...

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

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300 views

1 answer

What is an alternative to execfile in Python 3?

It seems they canceled in Python 3 all the easy way to quickly load a script by removing execfile() Is there an obvious alternative I'm missing? Question&Answers:os...

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

0 votes

327 views

1 answer

multithreading - Maximum number of threads per process in Linux?

What is the maximum number of threads that can be created by a process under Linux? How (if possible) can this value be modified? Question&Answers:os...

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

0 votes

83 views

1 answer

javascript - What are bitwise operators?

I'm someone who writes code just for fun and haven't really delved into it in either an academic or ... of bitwise operations? When might you use them? Question&Answers:os...

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

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122 views

1 answer

How to sort a dataFrame in python pandas by two or more columns?

Suppose I have a dataframe with columns a, b and c, I want to sort the dataframe by column b in ascending order, ... c in descending order, how do I do this? Question&Answers:os...

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

0 votes

69 views

1 answer

Wordpress how to use jquery and $ sign

I have a simple jQuery script in a WordPress plugin that is using a jQuery wrapper like this: $(document). ... handle it. Any help would be greatly appreciated. Question&Answers:os...

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

0 votes

720 views

1 answer

java - What does "possible lossy conversion" mean and how do I fix it?

New Java programmers are often confused by compilation error messages like: "incompatible types: possible lossy conversion from ... , and how do you fix it? Question&Answers:os...

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

0 votes

366 views

1 answer

Remove a file from a Git repository without deleting it from the local filesystem

My initial commit contained some log files. I've added *log to my .gitignore, and now I want to remove the ... repo without deleting my local copy of the file? Question&Answers:os...

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

0 votes

186 views

1 answer

javascript - In what situations would AJAX long/short polling be preferred over HTML5 WebSockets?

I am building a small chat application for friends, but unsure about how to get information in a timely ... compelling reasons to prefer AJAX over WebSockets? Question&Answers:os...

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

0 votes

157 views

1 answer

javascript - How to tell if browser/tab is active

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

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

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230 views

1 answer

java - javac is not recognized as an internal or external command, operable program or batch file

Closed. This question is not reproducible or was caused by typos. It is not currently accepting answers. Question&Answers:os...

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

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