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I have a Java project that I build using an Ant script. I am trying to convert the project to Maven. One ... , or some other simple method? 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 - Using 100% of all cores with the multiprocessing module

I have two pieces of code that I'm using to learn about multiprocessing in Python 3.1. My goal is to use 100% of ... , args=(lock, num)).start() 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 - jquery: $(window).scrollTop() but no $(window).scrollBottom()

I want to place an element to the bottom of the page whenever the user scrolls the page. It's like "fixed ... to know: $(window).scrollBottom() See Question&Answers more detail:os...

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

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angularjs - How to 'unwatch' an expression

Say I have an ng-repeat with a big array. When ng-repeat runs, it adds every element of that array to an ... , which is most of the time. 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 - Signing an APK with an upload key provided by Google Play

I'm trying to make sense of how to upload an app onto Google Play while using Google Play App Signing. ... key provided by Google Play? 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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Using media breakpoints in Bootstrap 4-alpha

In Bootstrap 3 I use this: .something { padding: 5px; @media screen and (min-width: $screen-sm-min) { ... -starts-at-zero($grid-breakpoints); See Question&Answers more detail:os...

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

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regex - Regular Expression for formatting numbers in JavaScript

I need to display a formatted number on a web page using JavaScript. I want to format it so that there are commas ... ,992 ...you get the idea. See Question&Answers more detail:os...

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

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ios - linking objective-c categories in a static library

I am developing a plugin for an iOS application. I am compiling it into a .a file which is then used by the ... from that file or not? cheers 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 - Ember.js and RequireJS

Has anyone had much success with RequireJS and Ember.js? Seeing as Ember likes to have its structure assigned to ... .js work better for Ember? See Question&Answers more detail:os...

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

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Jinja2 template variable if None Object set a default value

How to make a variable in jijna2 default to "" if object is None instead of doing something like this? {% if ... 'None' has no attribute 'User' See Question&Answers more detail:os...

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

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linux - How to set an environment variable only for the duration of the script?

On Linux (Ubuntu 11.04) in bash, is it possible to temporarily set an environment variable that will only be ... , and then launching the 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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java - Why is Cloneable not deprecated?

It is commonly understood that Cloneable interface in Java is broken. There are many reasons for this, which I ... is still not deprecated)? See Question&Answers more detail:os...

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

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Rails: Order with nulls last

In my Rails app I've run into an issue a couple times that I'd like to know how other people ... get consistent performance across any database? 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 - How to run html file on localhost?

I have a html file and i run it on localhost. But, this file includes mirror using webcam. Example, how can ... checkbox. Thanx for your reply. 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 to install xgboost in Anaconda Python (Windows platform)?

I am a new Python user. I downloaded the latest Anaconda 3 2.4.1 (Python 3.5) from the below link: ... on how to install xgboost from Anaconda? 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 onCreateView vs. onActivityCreated

I know that a fragment's view hierarchy has to be inflated in onCreateView, but what other ... an onActivityCreated method instead? 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: Interface with new keyword how is that possible?

I was reading some sourcecode from Java libraries, and I am confused here; This code is from Document.java in ... activeNamespaces = null; } } See Question&Answers more detail:os...

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

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What's the cleanest, simplest-to-get running datepicker in Django?

I love the Thauber Schedule datepicker, but it's a datetime picker and I can't get it to just do dates. Any ... with a Django date form field? 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 - How to return from a Promise's catch/then block?

There are many tutorials on how to use "then" and "catch" while programming with JavaScript Promise. However, ... with its then/catch statement? 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 - Why does NSError need double indirection? (pointer to a pointer)

This concept seems to trouble me. Why does an NSError object need its pointer passed to a method that is modifying ... error:(NSError **)error? See Question&Answers more detail:os...

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

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controller - Angularjs: a Service that serves multiple $resource urls / data sources?

I have an Angular service/provider that serves json data to my controller which works great: angular.module('myApp ... files to my controller? 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 handle AsyncTask onPostExecute when paused to avoid IllegalStateException

I appreciate the numerous postings regarding AsyncTask on a rotation change. I have the following problem when using ... t without its problems. 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# - LINQ query to return a Dictionary<string, string>

I have a collection of MyClass that I'd like to query using LINQ to get distinct values, and get back a ... , item.Value.ToString()); } 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 - What's the most elegant way to cap a number to a segment?

Let's say x, a and b are numbers. I need to limit x to the bounds of the segment [a, b]. In other ... up with a more readable version of 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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How can I get the parents of a merge commit in Git?

Some Git commands take the parent as a revision; others (such as git revert), as a parent number. How can I ... tree to find the second parent. 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 to pass password automatically for rsync SSH command?

I need to do rsync by ssh and want to do it automatically without the need of passing password for ssh manually. 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 can I make a WPF combo box have the width of its widest element in XAML?

I know how to do it in code, but can this be done in XAML ? Window1.xaml: <Window x:Class="WpfApplication1. ... DesiredSize.Width + width; } } } See Question&Answers more detail:os...

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

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Force uninstall of Visual Studio

While uninstalling Microsoft Visual Studio Ultimate 2015 Preview, it throws an error quoting "Microsoft Visual Studio ... and Features menu? See Question&Answers more detail:os...

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

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