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I am having weird character encoding issues with a JSON array that is grabbed from a web page. The server is ... in advance for any help. See Question&Answers more detail:os...

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

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bash - Import XML files to PostgreSQL

I do have a lot of XML files I would like to import in the table xml_data: create table xml_data(result xml); ... file at once into single row. See Question&Answers more detail:os...

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

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reactjs - How to include local javascript on a Gatsby page?

I'm a total React newbie and I guess there is something fundamental I don't quite understand here. A default Gatsby ... 2</Link> </Layout> ) See Question&Answers more detail:os...

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

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iphone - Adding Images to UITextView

In my app I have a UITextView and a button just below the text view to insert a photo into the UITextView ... 's app's own UITextView: See Question&Answers more detail:os...

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

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c - dynamic allocation/deallocation of 2D & 3D arrays

I know about algorithms to allocate/deallocate a 2D array dynamically, however I'm not too sure about the same for 3D ... ]); } free(arr3D); } See Question&Answers more detail:os...

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

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Run Sweave or knitr with objects from existing R session

Suppose I have an object x in my current session: x <- 1 How can I use this object in an Sweave or ... each subject using an Sweave template. See Question&Answers more detail:os...

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

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java - Remove multiple keys from Map in efficient way?

I have a Map<String,String> with large number of key values pairs. Now I want to remove selected keys from ... would be the better approach? See Question&Answers more detail:os...

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

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c# - How could I put a border on my grid control in WPF?

How do I put a border on my grid in C#/WPF? This is what I would like it to be, but puts a border around the ... </Border> ... and so on ... See Question&Answers more detail:os...

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

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MySql: is it possible to 'SUM IF' or to 'COUNT IF'?

I have a column 'hour' I have a column 'kind' (it can be 1,2 or 3) I'd like to do something like: SELECT ... . I'm not able to reply this ... See Question&Answers more detail:os...

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

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python - Only add to a dict if a condition is met

I am using urllib.urlencode to build web POST parameters, however there are a few values I only want to be ... anyone know how to solve this? See Question&Answers more detail:os...

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

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macos - Open the file in universal-newline mode using the CSV Django module

I am trying to access a model.filefield in Django to parse a CSV file in Python using the csv module. ... : print email,mobile,name,civilid See Question&Answers more detail:os...

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

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python - Where is the __builtin__ module in Python3? Why was it renamed?

I was curious about the __builtin__ module and how it's used, but I can't find it in Python3! Why was it ... : No module named __builtin__ >>> See Question&Answers more detail:os...

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

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interpreter - How to use third party libraries with Scala REPL?

I've downloaded Algebird and I want to try out few things in the Scala interpreter using this library. How do I achieve this? See Question&Answers more detail:os...

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

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c# - The model item passed into the dictionary is of type ‘mvc.Models.ModelA’ but this dictionary requires a model item of type ‘mvc.Models.ModelB‘

I have this annoying mistake in some of my builds. There is no error in the project, because if I build ... it just fails the offending page See Question&Answers more detail:os...

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

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javascript - Angular.js ng-repeat filter by property having one of multiple values (OR of values)

Is it possible to filter an array of objects, such that the value of property can be either of a few values (OR ... ('red'||'blue') }"> See Question&Answers more detail:os...

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

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cmd - How can you get the clipboard contents with a Windows command?

For example, I can copy a file to the clipboard like this: clip < file.txt (Now the contents of file.txt ... the clipboard will be in file.txt? See Question&Answers more detail:os...

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

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jquery - Javascript, Razor and Escape characters. Like apostrophe

I am using Razor in my MVC3 project. And also I'm using FullCalendar JQuery plugin. So when I'm trying to fill the ... ] }); }); </script> See Question&Answers more detail:os...

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

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rest - A message body writer for Java class not found

I am new to using JAX-RS and wrote a sample application that outputs a json object. but I am getting an ... found What am i doing wrong ? See Question&Answers more detail:os...

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

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php - Connection reset by peer: mod_fcgid: error reading data from FastCGI server

I am having issue on PHP where my app is trying to run a php backup file and suddenly getting HTTP ... share their knowledge. Thanks. James See Question&Answers more detail:os...

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

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Android: How to get a modal dialog or similar modal behavior?

These days I'm working on simulating modal dialog in Android. I've googled a lot, there's much discussions ... really wait for result? Thanks. See Question&Answers more detail:os...

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

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git clone fails with "index-pack" failed?

So I created a remote repo that's not bare (because I need redmine to be able to read it), and it's ... what file is causing the problem now. See Question&Answers more detail:os...

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

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base64 encode in MySQL

I want to select a blob col from one table, base64 encode it and insert it into another tables. Is there any way ... the DB and through my app? See Question&Answers more detail:os...

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

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sql - Store mysql query output into a shell variable

I need a variable to hold results retrieved from the database. So far this is basically what I'm trying with no ... very good as you can see. See Question&Answers more detail:os...

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

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reactjs - Automatic redirect after login with react-router

I wanted to build a Facebook login into my react/react-router/flux application. I have a listener registered ... reloading the page completely. See Question&Answers more detail:os...

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

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delphi - Which is preferable: Free or FreeAndNil?

What is the basic difference between Free and FreeAndNil? Is FreeAndNil = Free + Nil? When should I use Free and when should I use FreeAndNil? See Question&Answers more detail:os...

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

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c - How does srand relate to rand function?

I understand that rand() function generates the same number(s) each you run it if you don't change the ... srand is called first before rand? See Question&Answers more detail:os...

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

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c++ - Fastest way to Convert String to Binary?

I want to convert a string, using the string class - to Binary. What is the fast way to do this character by ... { myString = "Hello World"; } See Question&Answers more detail:os...

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

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python - When is it appropriate to use df.value_counts() vs df.groupby('...').count()?

I've heard in Pandas there's often multiple ways to do the same thing, but I was wondering - If I'm trying ... use df['colA'].value_counts() ? See Question&Answers more detail:os...

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

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