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jinja2 - How can I use Ansible nested variable?

I have an Ansible playbook like the one below, I want use nested variable like this: msg={{{{Component}}. ... nested variable, if yes, how to use it? Question&Answers:os...

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

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553 views

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javascript - Alternative to Jzebra/QZ Java Raw Print Plugin after NPAPI being dropped on Chrome Browser

We all know that NPAPI will be completely removed from Chrome in a few months. What would be an ... locally installed POS printers in USB or Ethernet? Question&Answers:os...

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

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223 views

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c# - How to stop BackgroundWorker correctly

I have a form with 2 comboboxes on it. And I want to fill combobox2.DataSource based on combobox1.Text and ... get rid of this exception? Thanks in advance! Question&Answers:os...

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

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64 views

1 answer

How does Java resolve a relative path in new File()?

I am trying to understand the way Java resolves relative path in while creating a File object. OS used: Windows ... this works or point to some related links? Question&Answers:os...

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

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python - How to rotate Selenium webrowser IP address

I have a Python script that visits a website every 30 sec, and I would need to have a different IP address ... use Tor browser on Ubuntu server?) other methods? Question&Answers:os...

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

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How might I extract the property values of a JavaScript object into an array?

Given a JavaScript object: var dataObject = { object1: {id: 1, name: "Fred"}, object2: {id: 2, name: "Wilma"}, ... name: "Wilma"}, {id: 3, name: "Pebbles"}] Question&Answers:os...

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

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228 views

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php - How to delete element with DOMDocument?

Is it possible to delete element from loaded DOM without creating a new one? For example something like this: $dom = ... ($href->nodeValue == 'First') //delete Question&Answers:os...

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

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C: unary minus operator behavior with unsigned operands

I can't seem to find the relevant parts in the C standard fully defining the behavior of the unary minus operator ... ? Or is there something else I'm missing? Question&Answers:os...

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

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MySQL: how to get the difference between two timestamps in seconds

Is there a way I can make a query in MySQL that will give me the difference between two timestamps in seconds, or ... if so, how would I go about doing that? Question&Answers:os...

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

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c# - Simple post to Web Api

I'm trying to get a post request to work with the web api. Following is my api controller. public class ... bind a complex type but not a simple type. Question&Answers:os...

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

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javascript - Sort two arrays the same way

For example, if I have these arrays: var name = ["Bob","Tom","Larry"]; var age = ["10", "20", "30"]; And I use name. ... ","Tom"]; var age = ["10", "30", "20"]; Question&Answers:os...

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

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php - Utility of HTTP header "Content-Type: application/force-download" for mobile?

I am currently working on a PHP script that allows you to download media contents (video, audio, pictures. ... or application/force-download doesn't work? Question&Answers:os...

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

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winforms - Silent failures in C#, seemingly unhandled exceptions that does not crash the program

In a winforms app, in a form's Load event, add the following line: throw new Exception(); and run the ... project of winforms, with the code mentioned above. Question&Answers:os...

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

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165 views

1 answer

Database first create entity framework 6.1.1 model using system.data.sqlite 1.0.93

I have a project that I just updated using nuget. This updated entity framework from 6.1 to 6.1.1, and ... logging option to find out what might be happening? Question&Answers:os...

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

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211 views

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python - What is this odd colon behavior doing?

I am using Python 3.6.1, and I have come across something very strange. I had a simple dictionary assignment ... KeyError. I am perplexed. What is going on? Question&Answers:os...

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

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975 views

1 answer

scope - Declaring and initializing variables within Java switches

I have a crazy question about Java switches. int key = 2; switch (key) { case 1: int value = 1; ... the The local variable value may not have been initialized. Question&Answers:os...

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

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900 views

1 answer

c# - Selenium Error - The HTTP request to the remote WebDriver timed out after 60 seconds

I've been using Selenium for a number of months, which we're using to automate some of our internal ... possible if anyone else can offer any suggestions. Question&Answers:os...

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

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251 views

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How to group a list of tuples/objects by similar index/attribute in python?

Given a list old_list = [obj_1, obj_2, obj_3, ...] I want to create a list: new_list = [[obj_1, ... the same length) instead of objects is appreciated, too. Question&Answers:os...

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

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355 views

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Converting JSON to XLS/CSV in Java

Closed. This question does not meet Stack Overflow guidelines. 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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88 views

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android - How do I know the map is ready to get used when using the SupportMapFragment?

In the onCreate method, I am making use of the SupportMapFragment to show a map. SupportMapFragment fragment = new ... null) //this should not occur now } Question&Answers:os...

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

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1.0k views

1 answer

directory - Getting the absolute path of the executable, using C#?

Have a look at this pseudocode: string exe_path = system.get_exe_path() print "This executable is located in " ... How could I easily accomplish this using C#? Question&Answers:os...

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

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433 views

1 answer

Bulk Insert Partially Quoted CSV File in SQL Server

I'm trying to import a correctly quoted CSV file, meaning data is only quoted if it contains a comma, e. ... statement import a correctly quoted CSV file? How? Question&Answers:os...

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

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818 views

1 answer

xslt - How to save newlines in XML attribute?

I need to save content that containing newlines in some XML attributes, not text. The method should be ... encoding method? Please suggest/give some ideas. Question&Answers:os...

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

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214 views

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sql - Why no windowed functions in where clauses?

Title says it all, why can't I use a windowed function in a where clause in SQL Server? This query ... being able to use windowing functions in where clauses. Question&Answers:os...

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

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250 views

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parsererror after jQuery.ajax request with jsonp content type

I am using jQuery Version 1.5.1 to do the following ajax call: $.ajax({ dataType: 'jsonp', data: { ... "jsonp", the server responds with an empty string. Question&Answers:os...

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

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365 views

1 answer

c# - How can I assign a Func<> conditionally between lambdas using the conditional ternary operator?

Generally, when using the conditional operator, here's the syntax: int x = 6; int y = x == 6 ? 5 : 9 ... an int value against null, you just use object.Equals) Question&Answers:os...

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

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1.5k views

1 answer

api - Java: How do you convert a UTC timestamp to local time?

I have a timestamp that's in UTC and I want to convert it to local time without using an API call like TimeZone ... the equivalent of [2012-08-15T15:56:02.038Z] Question&Answers:os...

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

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177 views

1 answer

c# - Most accurate timer in .NET?

Running the following (slightly pseudo)code produces the following results. Im shocked at how innacurate the timer is ( ... 29.1429 30.1570 31.1710 32.1851 Question&Answers:os...

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

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