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Echo equivalent in PowerShell for script testing

I would like to output variables and values out in a PowerShell script by setting up flags and seeing ... "filesizecounter: " . $filesizecounter 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 - The object 'DF__*' is dependent on column '*' - Changing int to double

Basically I got a table in my EF database with the following properties: public int Id { get; set; } public ... this column. What's the issue? 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 - What's the best way to cancel event propagation between nested ng-click calls?

Here's an example. Let's say I want to have an image overlay like a lot of sites. So when you click ... inside the overlay with this snippet. See Question&Answers more detail:os...

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

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class - php static function

I have a question regarding static function in php. let's assume that I have a class class test { public ... special about a static function? 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 - method of iterating over sqlalchemy model's defined columns?

I've been trying to figure out how to iterate over the list of columns defined in a SQLAlchemy model. I want ... the dict (for larger objects). 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 - JSON ValueError: Expecting property name: line 1 column 2 (char 1)

I am having trouble using json.loads to convert to a dict object and I can't figure out what I'm doing ... it. Any advice would be appreciated. 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: difference between a statement and an expression?

I asked this question earlier, and after thinking about the topic some more, I began to wonder where the seemingly ... vice versa? if(_X_) _Y_ 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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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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What is the difference between Asynchronous calls and Callbacks

I'm bit confused to understand the difference between Asynchronous calls and Callbacks. I read this posts which ... with plain simple English? See Question&Answers more detail:os...

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

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Setup sunspot solr with rails in production environment

I have tried various links but I can't seem to find a good resource on creating a running solr instance that ... there that I could use? 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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c# - How can I get "Copy to Output Directory" to work with Unit Tests?

When I build a unit test project before the tests are executed the test output is copied to a TestResults ... copied to the TestResults folder? 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 - Silent push notifications only delivered if device is charging and/or app is foreground

I have implemented silent push notifications but I have noticed some strange behaviour. The silent push ... silent push notifications? 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 - react-router vs react-router-dom, when to use one or the other?

Both have Route, Link, etc. When to use one or the other? I'm really confused on where to use each one. ... or the other, any help appreciated. See Question&Answers more detail:os...

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

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141 views

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How to pass html string to webview on android

Hi I am parsing xml and then loading it to web view, after parsing I am creating four strings so that I ... two strings pls help me friends. See Question&Answers more detail:os...

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

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756 views

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python - What is dtype('O'), in pandas?

I have a dataframe in pandas and I'm trying to figure out what the types of its values are. I am unsure what ... ('O') What does this mean? See Question&Answers more detail:os...

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

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626 views

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mysql - Can't import database through phpmyadmin file size too large

I have been trying to import Database through phpMyAdmin. My database file is a.sql and it's size is 1.2 GB ... I really need this to work. See Question&Answers more detail:os...

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

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457 views

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language agnostic - Can you explain the Context design pattern?

I've started to read about the Context design pattern. Here's what I understood from the text : you have a map ... parameters Did I "get" 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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xml - How can I get started making a C# RSS Reader?

I have been wanting to make a RSS reader for a while now (just for fun), but I don't have the slightest ... reader, that would be too easy). See Question&Answers more detail:os...

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

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651 views

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css - Google Web Fonts and PDF generation from HTML with wkhtmltopdf

I am using wkhtmltopdf to convert HTML files in PDF format; it gives surprisingly good results, rendering the PDF ... CSS does not work either. See Question&Answers more detail:os...

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

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569 views

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algorithm - C - How to implement Set data structure?

Is there any tricky way to implement a set data structure (a collection of unique values) in C? All elements ... if a set could include itself. See Question&Answers more detail:os...

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

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257 views

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java - Can anyone explain servlet mapping?

I'm trying to write a web application using SpringMVC. Normally I'd just map some made-up file extension to ... > Can anyone shed some light? See Question&Answers more detail:os...

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

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301 views

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How can I discover zeroconf (Bonjour) services on Android? I'm having trouble with jmDNS

I'm working with a Droid / Android 2.0.1 and encountering an issue apparently many people have: I'm ... related to the IPv6 multicast problem? 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 - How to Schedule Notification in Android

I'm trying to set notification for a time in the future. I have the code for creating a notification but ... How can I schedule notifications? See Question&Answers more detail:os...

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

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478 views

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android studio - How to increase editor font size?

Font size in Android Studio editor seems to be too small. How can I make the font size larger? See Question&Answers more detail:os...

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

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396 views

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c# - Namespace for [DataContract]

I can't find the namespace to use for [DataContract] and [DataMember] elements. According to what I've ... not using the right namespaces? See Question&Answers more detail:os...

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

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896 views

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reactjs - How to unmount, unrender or remove a component, from itself in a React/Redux/Typescript notification message

I know this question has been asked a couple of times already but most of the time, the solution is to ... , and manipulate it only internally? See Question&Answers more detail:os...

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

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