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Android: set view style programmatically

Here's XML: <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" style="@style/ ... > How to set style attribute programmatically? Question&Answers:os...

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

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355 views

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c# - Get public/external IP address?

I cant seem to get or find information on finding my routers public IP? Is this because it cant be done this way and would have to get it from a website? Question&Answers:os...

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

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300 views

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sql - The multi-part identifier could not be bound

I've seen similar errors on SO, but I don't find a solution for my problem. I have a SQL query like: SELECT ... 1 2011' AND 'Sep 5 2011' GROUP BY maxa; Question&Answers:os...

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

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hex - Printing hexadecimal characters in C

I'm trying to read in a line of characters, then print out the hexadecimal equivalent of the characters. For ... has the ffffff, but not the other characters? Question&Answers:os...

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

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How do I get formatted JSON in .NET using C#?

I am using .NET JSON parser and would like to serialize my config file so it is readable. So instead of: {"blah":" ... )) { f.WriteLine(configSz); f.Close(); } Question&Answers:os...

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

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c++ - Why are global and static variables initialized to their default values?

In C/C++, why are globals and static variables initialized to default values? Why not leave it with just garbage values? Are there any special reasons for this? Question&Answers:os...

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

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exception - When to catch java.lang.Error?

In what situations should one catch java.lang.Error on an application? Question&Answers:os...

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

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c# - Using String Format to show decimal up to 2 places or simple integer

I have got a price field to display which sometimes can be either 100 or 100.99 or 100.9, What I want is to display the price ... {0:0.00}", 123.0); // "123.00" Question&Answers:os...

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

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math - Turning a cylinder into a sphere without pinching at the poles

I'm working on generating a planet made out of a hexagon grid. The poles aren't needed - making this a ... list of neighbors and works like a graph basically. Question&Answers:os...

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

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android - How to return an array from JNI to Java?

I am attempting to use the android NDK. Is there a way to return an array (in my case an int[]) created ... of the JNI function that would do this. -Thanks Question&Answers:os...

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

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jsf - When using <ui:composition> templating, where should I declare the <f:metadata>?

I have made a lot of progress in converting my JSF applications to book-markable pages, but I am wondering if I am ... for some side effect I haven't seen yet? Question&Answers:os...

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

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java Calendar, Date, and Time management for a multi-timezone application

I am designing a scheduling web app. I expect events to be added by users in several different timezones ... . All thoughts and comments are appreciated. TIA Question&Answers:os...

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

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oop - What is the difference between an abstract method and a virtual method?

What is the difference between an abstract method and a virtual method? In which cases is it recommended to use ... methods? Which one is the best approach? Question&Answers:os...

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

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architecture - How to version control a record in a database

Closed. This question needs details or clarity. It is not currently accepting answers. Question&Answers:os...

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

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c++ - How to install the Raspberry Pi cross compiler on my Linux host machine?

I am attempting to get cross-compiling for Raspberry Pi working on my Ubuntu machine. During my initial attempts ... the cross-compilers from the Ubuntu repo? Question&Answers:os...

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

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102 views

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How do you access a website running on localhost from iPhone browser

I am working on a mobile website and would like to test it using my iPhone browser. My Windows 7 machine and iPhone ... the iPhone? Right now I get a 404 error. Question&Answers:os...

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

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120 views

1 answer

java - Spring Boot REST service exception handling

I am trying to set up a large-scale REST services server. We're using Spring Boot 1.2.1 Spring 4.1.5, and ... chain that Node.js would be easier to deal with? Question&Answers:os...

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

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174 views

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java - Map enum in JPA with fixed values?

I'm looking for the different ways to map an enum using JPA. I especially want to set the integer value of ... JPA to use a specific converter (RightEditor) ? Question&Answers:os...

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

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command line - What does cmd /C mean?

Closed. This question is off-topic. It is not currently accepting answers. Question&Answers:os...

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

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462 views

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python - Get human readable version of file size?

A function to return human readable size from bytes size: >>> human_readable(2048) '2 kilobytes' >>> How to do this? Question&Answers:os...

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

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788 views

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process - Correct way (in .NET) to switch the focus to another application

This is what I have so far: Dim bProcess = Process.GetProcessesByName("By").FirstOrDefault If bProcess IsNot Nothing Then ... what's the right way to do this? Question&Answers:os...

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

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344 views

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javascript - Best practice for using window.onload

I develop Joomla websites/components/modules and plugins and every so often I require the ability to use JavaScript ... events can be run by different scripts? Question&Answers:os...

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

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1.1k views

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dictionary - I'm getting Key error in python

In my python program I am getting this error: KeyError: 'variablename' From this code: path = meta_entry[' ... Can anyone please explain why this is happening? Question&Answers:os...

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

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139 views

1 answer

sql - Delete duplicate rows from small table

I have a table in a PostgreSQL 8.3.8 database, which has no keys/constraints on it, and has multiple rows with ... in this case (there are only a few rows). Question&Answers:os...

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

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How to capture stdout output from a Python function call?

I'm using a Python library that does something to an object do_something(my_object) and changes it. While ... do_something(my_object) out = end_capturing() ? Question&Answers:os...

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

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272 views

1 answer

javascript - Disabling and enabling a html input button

So I have a button like this: <input id="Button" type="button" value="+" style="background-color:grey" onclick=" ... it back to false but that didn't enable it. Question&Answers:os...

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

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247 views

1 answer

tsql - When should I use semicolons in SQL Server?

While checking some code on the web and scripts generated by SQL Server Management Studio I have noticed that some ... semicolon. So when should I use it? Question&Answers:os...

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

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396 views

1 answer

javascript - Why does typeof array with objects return "object" and not "array"?

This question already has answers here: Question&Answers:os...

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

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