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java - how to parse JSONArray in android

I want to read this JSON lines but because it start with JSONArray i'm a little confused "abridged_cast": ... Auto-generated catch block e.printStackTrace(); } Question&Answers:os...

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

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asp classic - SQL group_concat function in SQL Server

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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regex - Find 'word' not followed by a certain character

What is the regular expression to search for word string that is not followed by the @ symbol? For example: mywordLLD OK myword.dff OK myword@ld Exclude Question&Answers:os...

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

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416 views

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assembly - Confusing brackets in MASM32

I am trying to get to grips with MASM32 and am confused by the following: I thought that brackets were used for ... in MASM, or point me at a good reference. Question&Answers:os...

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

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asp.net mvc - jqgrid + EF + MVC: How to export in excel? Which method you suggest?

I am using jqgrid (standard) with EF 4 + MVC3. I'd like to implement excel export. Which method you ... beginner. Thanks for your precious help! Best Regards Question&Answers:os...

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

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In C++ books, array bound must be constant expression, but why the following code works?

#include <iostream> using namespace std; int main(){ int n=10; int a[n]; for (int i=0; i<n; i++) { a ... as said in books, it should be wrong, why? so confused~ Question&Answers:os...

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

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c# - Copy DataGridView values to TextBox

I have tried to get an answer to this but so far no help has been able to do what I want it to. I have ... into the textbox. Anyone know what I am doing wrong? Question&Answers:os...

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

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android - How to create a release signed apk file using Gradle?

I would like to have my Gradle build to create a release signed apk file using Gradle. I'm not sure if the ... apk files. Any suggestions on how to solve this? Question&Answers:os...

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

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Undoing a 'git push'

Here's what I did on my supposed-to-be-stable branch... % git rebase master First, rewinding head to replay your ... back to what it was. What should I do? Question&Answers:os...

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

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java - How can I convert a stack trace to a string?

What is the easiest way to convert the result of Throwable.getStackTrace() to a string that depicts the stacktrace? Question&Answers:os...

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

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java - Hashset vs Treeset

I've always loved trees, that nice O(n*log(n)) and the tidiness of them. However, every software engineer I' ... cases should I use a HashSet over a TreeSet? Question&Answers:os...

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

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mysql - What data type to use for hashed password field and what length?

I'm not sure how password hashing works (will be implementing it later), but need to create database schema ... how to store these passwords in the database? Question&Answers:os...

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

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java - No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK?

I'm compiling a project in Eclipse using m2eclipse. I set the JDK path in Eclipse like this: Windows-->preferences-- ... are running on a JRE rather than a JDK? Question&Answers:os...

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

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android - Animate the transition between fragments

I'm trying to animate the transition between fragments. I got the answer from the following Android ... animate the transition between fragments? Thank you Question&Answers:os...

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

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android - How to refresh app upon shaking the device?

I need to add a shake feature that will refresh my Android application. All I find of documentation involves ... how I go about creating this shake controller? Question&Answers:os...

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

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154 views

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Simple HTTP server in Java using only Java SE API

Is there a way to create a very basic HTTP server (supporting only GET/POST) in Java using just the Java SE API ... I'm trying to avoid it for those reasons. Question&Answers:os...

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

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921 views

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class - Python function overloading

I know that Python does not support method overloading, but I've run into a problem that I can't seem ... , but default arguments help allot like acceleration=0 Question&Answers:os...

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

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410 views

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bash - How can I use inverse or negative wildcards when pattern matching in a unix/linux shell?

Say I want to copy the contents of a directory excluding files and folders whose names contain the word ' ... place of [exclude-matches] to accomplish this? Question&Answers:os...

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

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51 views

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java - Places where JavaBeans are used?

What is a JavaBean and why do I need it? Since I can create all apps with the class and interface ... bean in the below context: Wep apps Standalone apps Question&Answers:os...

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

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auto increment - PostgreSQL Autoincrement

I'm switching from MySQL to PostgreSQL and was wondering how I can do autoincrement values. I saw in the PostgreSQL ... syntax errors when using it (in v8.0). Question&Answers:os...

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

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306 views

1 answer

c# - How to write WinForms code that auto-scales to system font and dpi settings?

Intro: There's a lot of comments out there that say "WinForms doesn't auto-scale to DPI/font settings ... other guidance on this would be very appreciated. Question&Answers:os...

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

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360 views

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jquery - Can you have multiple $(document).ready(function(){ ... }); sections?

If I have a lot of functions on startup do they all have to be under one single: $(document).ready(function() { or can I have multiple such statements? Question&Answers:os...

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

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286 views

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Is there a more accurate way to create a Javascript timer than setTimeout?

Something that has always bugged me is how unpredictable the setTimeout() method in Javascript is. In my experience, the ... API) or is this a lost cause? Question&Answers:os...

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

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203 views

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c++ - Unicode encoding for string literals in C++11

Following a related question, I'd like to ask about the new character and string literal types in C++11. It ... encoding and type facilities of the new C++11. Question&Answers:os...

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

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366 views

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swift - How to make a SwiftUI List scroll automatically?

When adding content to my ListView, I want it to automatically scroll down. I'm using a SwiftUI List, and a ... list. However I have to scroll down manually. Question&Answers:os...

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

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137 views

1 answer

html - Adding options to select with javascript

I want this javascript to create options from 12 to 100 in a select with id="mainSelect", because I do not want to ... line += "</option>"; } return line; } Question&Answers:os...

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

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583 views

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stdout - How to make output of any shell command unbuffered?

Is there a way to run shell commands without output buffering? For example, hexdump file | ./my_script will ... solution how to make any command unbuffered? Question&Answers:os...

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

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148 views

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How to construct a c++ fstream from a POSIX file descriptor?

I'm basically looking for a C++ version of fdopen(). I did a bit of research on this and it is one ... ? EDIT: Moved my example solution to a separate answer. Question&Answers:os...

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

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