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Can I create dynamically stages in a Jenkins pipeline?

I need to launch a dynamic set of tests in a declarative pipeline. For better visualization purposes, I'd ... does not use declarative syntax. See Question&Answers more detail:os...

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python - Simple Subquery with OuterRef

I am trying to make a very simple Subquery that uses OuterRef (not for practical purposes, but just to get it ... only be used in a subquery. See Question&Answers more detail:os...

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java - Compile error: package javax.servlet does not exist

I have a package in which I import javax.servlet.* and javax.servlet.http.* When I try to compile it in command prompt ... 1.7.0 and Tomcat 6.0. See Question&Answers more detail:os...

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Psycopg2, Postgresql, Python: Fastest way to bulk-insert

I'm looking for the most efficient way to bulk-insert some millions of tuples into a database. I'm using Python, ... me how to do it right. 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# - Webclient / HttpWebRequest with Basic Authentication returns 404 not found for valid URL

Edit: I wanted to come back to note that the problem wasn't on my end at all, but rather with with code ... .ReadToEnd(); Response.Write(s); See Question&Answers more detail:os...

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

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r - data.table row-wise sum, mean, min, max like dplyr?

There are other posts about row-wise operators on datatable. They are either too simple or solves a specific scenario My ... NaN Inf -Inf 0 4 See Question&Answers more detail:os...

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javascript - HTML5 Local Storage of audio element source - is it possible?

I've been experimenting with the audio and local storage features of html5 of late and have run into something ... /local storage in WebKit. See Question&Answers more detail:os...

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javascript - Can I prevent history.popstate from triggering on initial page-load?

I'm working on a site that serves content via AJAX. If you click an item in the menu, a content div ... firing on pages with HTML requests? See Question&Answers more detail:os...

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reactjs - Binding vs Arrow-function (in JavaScript, or for react onClick)

So I am trying to learn JavaScript and/or react and got a little mixed up with understanding .bind(this) in the ... 'this' refers to the class } See Question&Answers more detail:os...

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express - Virtual hosting with standalone node.js server

Is there a way to currently do virtual hosting with node.js server (i.e. host multiple domains under one IP) ? See Question&Answers more detail:os...

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multithreading - WPF BackgroundWorker vs. Dispatcher

In my WPF application I need to do an async-operation then I need to update the GUI. And this thing I ... than the other? Thank you! Pileggi See Question&Answers more detail:os...

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security - How to store passwords in Winforms application?

I have some code like this in a winforms app I was writing to query a user's mail box Storage Quota ... since they are machine dependent. See Question&Answers more detail:os...

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python - Is there a way to make the Tkinter text widget read only?

It doesn't look like it has that attribute, but it'd be really useful to me. See Question&Answers more detail:os...

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audio - Android : How to change Playback Rate of music using OpenSL ES

I am working on a music player in which I need to change tempo (playback speed of music) without changing the ... playback rate function in it? See Question&Answers more detail:os...

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Disable future dates in jQuery UI Datepicker

Is it possible to disable future date from today? Let say today is 23/10/2010, so 24/10/2010 onwards are ... very new in jQuery and JavaScript. See Question&Answers more detail:os...

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python - Using MySQL in Flask

Can someone share example codes in Flask on how to access a MySQL DB? There have been documents showing how ... Thank you very much in advance See Question&Answers more detail:os...

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sql - Is there an auto increment in sqlite?

I am trying to create a table with an auto-incrementing primary key in Sqlite3. I am not sure if this is ... sqlite3 under cygwin in Windows 7. See Question&Answers more detail:os...

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Global Variables in Cocoa/Objective-C?

According to Cocoa Programming for Mac OS X, 3rd Edition, on page 202 (chapter 13): You will be registering, ... be globals in a pretty dress? See Question&Answers more detail:os...

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c# - Model always null on XML POST

I'm currently working on an integration between systems and I've decided to use WebApi for it, but I'm running ... . Does anyone have a clue? See Question&Answers more detail:os...

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objective c - IBOutletCollection set ordering in Interface Builder

I am using IBOutletCollections to group several Instances of similar UI Elements. In particular I group a number ... set the correct ordering. See Question&Answers more detail:os...

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python - Could not install packages due to a "Environment error :[error 13]: permission denied : 'usr/local/bin/f2py'"

I am trying to install numpy on macOS X but after executing the command pip install numpy I am getting the error: ... /f2py How do I fix it? 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 - Fragment standard transition not animating

I'm using the v4 android compatibility library to develop a tablet UI using fragments specifically for Android 2.2 ... What could be wrong here? See Question&Answers more detail:os...

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c - Finding the intersecting node from two intersecting linked lists

Suppose there are two singly linked lists both of which intersect at some point and become a single linked ... finding the intersecting node? See Question&Answers more detail:os...

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javascript - 'append' called on an object that does not implement interface FormData

I'm Trying to upload image on with jquery and ajax. But weird thing happened here. In console Log its showing TypeError ... /form> </div> </div> See Question&Answers more detail:os...

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php - What Does Using A Single Pipe '|' In A Function Argument Do?

Take for instance the following code: phpinfo(INFO_MODULES | INFO_ENVIRONMENT | INFO_VARIABLES); A single argument is ... an array instead? See Question&Answers more detail:os...

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c# - Error handling (Sending ex.Message to the client)

I have an ASP.NET Core 1.0 Web API application and trying to figure out how to pass the exception message ... sending anything in the content. See Question&Answers more detail:os...

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c# - String interpolation in a Razor view?

Is this supported? If so, is there some trick to enabling it? I'm assuming Razor isn't using a new ... getting CS1056: Unexpected character '$' See Question&Answers more detail:os...

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

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How disable / remove android activity label and label bar?

Is there anyway to remove activity label bar and label itself which is set by default from application label? I'd ... which is in TOP 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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