d tag

2228 questions

1 answers
88 views
0

How to Use Scrapy Threads

Hi, how are you?I do web-crawling with Scrappy Since there's a lot of data, it takes more than 10 hours to get it...I looked up how to solve this, and they said we could use a thread I've never used a...

scrapy python thread threading

2 years ago

1 answers
25 views
0

Android Studio Value Callback

ValueCallback. I don't know what this means.cryingJust give me an easy explanationonCreateWindow(WebView view, boolean dialog, boolean userGesture, Message resultMsg)This too

android

2 years ago

1 answers
34 views
0

How to write logs to a text file on Android

I'm writing a log in txt log. Files, the following method is don't have any contents can be created. By default, reading a written prior to the Data in the following : I'd like to write them all to do...

android

2 years ago

1 answers
47 views
0

Android Button on ClickLinstener

We have created 25 buttons dynamically as follows:Now, I want to attach an on-click listener to each button, but I want to get rowCounter and columnCounter as a factor.I don't know where to access the...

git github android

2 years ago

1 answers
146 views
0

Why do I have to press the button one more time?

<?xml version=1.0 encoding=utf-8?><LinearLayout xmlns:android=http://schemas.android.com/apk/res/android xmlns:tools=http://schemas.android.com/tools android:layout_width=match_parent android...

android delay button listview application

2 years ago

1 answers
29 views
0

I have a question about the password activity of the Android number key.

Hello.I have a question because there is a blockage during Android development.You want to implement the following screen: However, I was at a loss as to how to implement it effectively.If anyone has ...

android

2 years ago

1 answers
111 views
0

Android Configuration Page Header

https://developer.android.com/guide/topics/ui/settings.htmlYou want to view this page and use a header file over the fragment.In the header file creation sector, <?xml version=1.0 encoding=utf-8?&g...

android header

2 years ago

1 answers
149 views
0

Which is Java, pass-by-reference or pass-by-value?

I've always thought that Java is a pass-by-reference. But I saw a blog claiming it wasn't. (Here's a link: http://javadude.com/articles/passbyvalue.htm)I don't know the difference. Please explain.

java parameter-passing pass-by-reference pass-by-value method

2 years ago

1 answers
96 views
0

Your content MUST have a ListView whose id attribute is 'android.R.id.list'

First of all, the contents of the XML file are as follows.<?xml version=1.0 encoding=utf-8?><ListView xmlns:android=http://schemas.android.com/apk/res/android android:layout_width=match_paren...

android android-listview

2 years ago

1 answers
33 views
0

Android Native

Hi, everyone.I finally took the first step in NDK programming after searching the Internet.You can now take a picture of the HelloJNI phrase. But I don't know how to use open source in C++. Should I s...

android

2 years ago

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