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c - What does a for loop without curly braces do?

Hi so basically my question is what does a for loop without any curly braces around it do? So from what I ... Or am I missing something here. See Question&Answers more detail:os...

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

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preference - Android: How to maximize PreferenceFragment width (or get rid of margin)?

If you look at either Android Settings screenshot or FragmentsBC screenshot, there are margin in PreferenceFragment. How can ... , but no luck. 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 - listView dynamic add item

I used ListView to dynamic add item,but there is a problem about not Smooth add. there are textView and ... ,textView row.xml contains TextView 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 - Why is json.loads an order of magnitude faster than ast.literal_eval?

After answering a question about how to parse a text file containing arrays of floats, I ran the following ... the same mini-benchmark). See Question&Answers more detail:os...

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

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Create a reset of javascript Array prototype when Array.prototype has been modified?

General question: When a default Javascript prototype like Array has been modified, hacked, changed and twisted to the ... [] : new normalArray; 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 get a non scrollable ListView?

I should want a non scrollable ListView, and show the entire ListView. It's because my entire screen is a ... don't understand why. 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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Pass C# string to C++ and pass C++ result (string, char*.. whatever) to C#

I tried different things but i'm getting mad with Interop. (here the word string is not referred to a ... parameters need DllImport for 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 Sort A 'Version Number' Column Generically Using a SQL Server Query

I wonder if the SQL geniuses amongst us could lend me a helping hand. I have a column VersionNo in a ... Your help would be much 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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c# - LINQ to SQL in and not in

What is in and not in equals in LINQ to SQL? For example select * from table in ( ...) and select * ... the above statement in LINQ to SQL? 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 does subplot work and what is the difference between subplot(121) and subplot(1,2,1) in MATLAB?

I am a bit unclear with how subplot works. Specifically, what is the difference between subplot(121) and subplot(1, ... what I am looking for. See Question&Answers more detail:os...

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

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php - Get array's key recursively and create underscore separated string

Right now i got an array which has some sort of information and i need to create a table from it. e.g. ... can create the string in my format. See Question&Answers more detail:os...

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

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google cloud dataproc - spark.sql.crossJoin.enabled for Spark 2.x

I am using the 'preview' Google DataProc Image 1.1 with Spark 2.0.0. To complete one of my ... action? spark.sql.crossJoin.enabled=true 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 - Pandas still getting SettingWithCopyWarning even after using .loc

At first, I tried writing some code that looked like this: import numpy as np import pandas as pd np.random. ... the same warning. What gives? 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# - Cannot convert type 'Task<Derived>' to 'Task<Interface>'

I have the following function with a delegate parameter that accepts a type of one interface and returns a task ... DoSomething((Message)m))); 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 - Netbeans console does not display Bangla unicode characters

I have a test.txt file with some Bengali character written as ???? ????, ????? ???? Now when I run this ... help with this thing...? Thank you. 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 - JFileChooser filters

I am putting a JFileChooser in my program, but that only takes images. So I decided to add filters ... (false); Any suggestions? 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 open a .doc extension file?

Is there any possible way to open a .doc extension file? 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 convert a Byte Array to an Int Array

I am reading a file by using: int len = (int)(new File(args[0]).length()); FileInputStream fis = new ... want to convert each byte to int. See Question&Answers more detail:os...

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

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362 views

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php - onbeforeprint() and onafterprint() equivalent for non IE browsers

I want to send some info back to my database when a user prints a certain web page. I can do ... supports onbeforeprint() and onafterprint(). See Question&Answers more detail:os...

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

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enumerate - How to make a continuous alphabetic list python (from a-z then from aa, ab, ac etc)

I would like to make a alphabetical list for an application similar to an excel worksheet. A user would ... one have the python equivalent? See Question&Answers more detail:os...

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

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Connect to Wifi in Android Q programmatically

I had this function to connect in Wifi network, below Android 10 it works fine, but when I tried on ... (networkRequest,networkCallback); } } 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 - ES6: Is it dangerous to delete elements from Set/Map during Set/Map iteration?

Safe code for new Set() may look like: let items = []; for (let item of set) if (isBad(item)) items. ... || isBadValue(val)) map.delete(key) 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 - Nested inlines in the Django admin?

Alright, I have a fairly simple design. class Update(models.Model): pub_date = models.DateField() title = models. ... for the end user. Help? See Question&Answers more detail:os...

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

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263 views

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c++ - Why is protected constructor raising an error this this code?

One question about protected constructor. I learnt that the protected constructor can be used in the derived class. How ... working here } }; See Question&Answers more detail:os...

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

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582 views

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html - CSS custom cursor doesn't work in FF/Chrome

I am trying to create a custom cursor using the following image: http://anuary.com/dev/hp/pad3/public/images/ ... the reason for it not working? See Question&Answers more detail: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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java - Cannot convert from List<List> to List<List<?>>

A raw list converts to List<?> just fine. Why can't a list of raw lists convert to a list of List<?>? { // works List ... e : api()) { // ... } See Question&Answers more detail:os...

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

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566 views

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calculate the number of html checkbox checked using jquery

how can i calculate the number of checkboxes that a user has checked using jquery? what i want to do is ... range display a warning message. See Question&Answers more detail:os...

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

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207 views

1 answer

Android: how can i tell if the soft keyboard is showing or not?

Heres the dilemma: I am showing a screen with 3 input fields and 2 buttons inside of a tab(there are 3 tabs ... the keyboard is visible or not? See Question&Answers more detail:os...

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

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