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python - What does "bound method" error mean when I call a function?

I am creating a word parsing class and I keep getting a bound method Word_Parser.sort_word_list of ... word_list print test.sort_word_list print test.num_words Question&Answers:os...

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

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android - App on Google Play always shows "Update" instead of open

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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casperjs - downloading a file that comes as an attachment in a POST request response in PhantomJs

I want to download a CSV file, it is generated on a button click through a POST request. I researched to my ... Apr 2013 23:26:40 GMT Content-Length: 65183 Question&Answers:os...

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

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How to free a component in Android / iOS

I dynamically create a TEdit on a form in Android: edit := TEdit.Create(Self); I want to free it using ... TEdit but for any component using Android or iOS. Question&Answers:os...

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

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python - List of tuples to dictionary

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

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r - How to display only integer values on an axis using ggplot2

I have the following plot: library(reshape) library(ggplot2) library(gridExtra) require(ggplot2) data2<-structure(list ... method isn't really important to me. Question&Answers:os...

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

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asp.net - Chrome localhost cookie not being set

I have an ASP.net application that uses a cookie to store the user selected language. Everything works fine except ... IE but works fine on FF. Thanks! Alex Question&Answers:os...

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

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c# - StandardOutput.ReadToEnd() hangs

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

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rust - When is it useful to define multiple lifetimes in a struct?

In Rust, when we want a struct to contain references, we typically define their lifetimes as such: struct Foo<'a> { ... are 'a and 'b (or vice versa)? Question&Answers:os...

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

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c# - Getting Serial Port Information

I have some code that loads the serial ports into a combo-box: List<String> tList = new List<String>(); ... thoughts you may have would be appreciated. Thanks. Question&Answers:os...

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

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c++ - Convert Windows Filetime to second in Unix/Linux

I have a trace file that each transaction time represented in Windows filetime format. These time numbers are ... May I write my own extraction function ? Question&Answers:os...

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

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Operator overloading in C

I am trying to overload some operators: /* Typedef is required for operators */ typedef int Colour; /* Operators ... no classes. Can anyone help me? Thanks. Question&Answers:os...

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

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c# - disable mouse wheel on itemscontrol in wpf

I have a usercontrol that has a scrollviewer, then a bunch of child controls like text boxes, radio buttons, and ... true; } but that didnt work either. Thanks Question&Answers:os...

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

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r - Sample n random rows per group in a dataframe

From these questions - Random sample of rows from subset of an R dataframe & Sample random rows in dataframe I can ... but I am looking for a simpler solution. Question&Answers:os...

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

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r - Finding All Positions for Multiple Elements in a Vector

Suppose I have the following vector: x <- c(8, 6, 9, 9, 7, 3, 2, 5, 5, 1, 6, 8, 5, 2, 9, 3, 5, 10, 8, 2) How can I find which elements are either 8 or 9? Question&Answers:os...

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

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Can PostgreSQL have a uniqueness constraint on array elements?

I'm trying to come up with a PostgreSQL schema for host data that's currently in an LDAP store. Part ... data-modeling approach that would make more sense? Question&Answers:os...

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

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caching - WPF TabControl - Preventing Unload on Tab Change?

Is there a way to prevent the Tab Unload/Reload when a tab changes in a WPF tab control? Or if that is ... and the delay when changing tabs is very noticeable. Question&Answers:os...

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

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336 views

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javascript - Matching a Forward Slash with a regex

I don't have much experience with JavaScript but i'm trying to create a tag system which, instead of using @ or #, ... /' and adding + slash +, but that failed. Question&Answers:os...

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

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1.2k views

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python - Record speakers output with PyAudio

I'm trying to record the output from my computer speakers with PyAudio. I tried to modify the code example given ... .writeframes(b''.join(frames)) wf.close() Question&Answers:os...

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

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python - How do I POST with jQuery/Ajax in Django?

I am trying to POST data using jQuery/AJAX in Django and am having trouble. When I run the code below and click on the ... }); return false; }); }); Any advice? Question&Answers:os...

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

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r - melt / reshape in excel using VBA?

I'm currently adjusting to a new job where most of the work I share with colleagues is via MS Excel. I ... Total_games 3 32 2009 6 CAN Soccer Total_games 3 Question&Answers:os...

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

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196 views

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c# - Why does the default parameterless constructor go away when you create one with parameters

In C#, C++ and Java, when you create a constructor taking parameters, the default parameterless one goes ... one once you have created a constructor yourself? Question&Answers:os...

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

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162 views

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How to look ahead one element (peek) in a Python generator?

I can't figure out how to look ahead one element in a Python generator. As soon as I look it's gone. ... a generator that you can look one element forward? Question&Answers:os...

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

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898 views

1 answer

powershell - PSCustomObject to Hashtable

What is the easiest way to convert a PSCustomObject to a Hashtable? It displays just like one with the splat ... a string but displays nothing - any ideas? Question&Answers:os...

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

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373 views

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android - Picasso Load image from filesystem

Can I use Picasso library to load images from the filesystem? I'm using startActivityForResult to let the user pick ... get the Picasso.load() method to work. Question&Answers:os...

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

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438 views

1 answer

python - How do I get an event callback when a Tkinter Entry widget is modified?

Exactly as the question says. Text widgets have the <<Modified>> event, but Entry widgets don't appear to. Question&Answers:os...

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

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548 views

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python - Parameter substitution for a SQLite "IN" clause

I am trying to use parameter substitution with SQLite within Python for an IN clause. Here is a complete running example ... ", "Mook657") GROUP BY user_id ) ) Question&Answers:os...

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

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Parsing xml using powershell

I am new to powershell. I have a config XML which reads as - <xml> <Section name="BackendStatus"> <BEName ... Status. How can this be done using PowerShell? Question&Answers:os...

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

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