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hibernate - Using JPA entities in JSF. Which is the best strategy to prevent LazyInitializationException?

Would like to hear experts on best practice of editing JPA entities from JSF UI. So, a couple of words about the ... isn't ok for me. 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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android - Play an audio clip onto an ongoing call

Is it possible to modify an active call by overlaying a sound track during the call? I looked up the SDK, ... audio clip onto an ongoing call. See Question&Answers more detail:os...

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

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883 views

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compare two images in android

In my application I want to capture two images using camera and then I want to compare those images. So, how can ... pixel to pixel. 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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r - Calculate multiple aggregations on several variables using lapply(.SD, ...)

I'd like to perform multiple aggregations, using data.table's lapply(.SD, ...) approach, i.e. calculate ... not possible without .SDcols AFAIK. 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 - Is there any way to run service continuously?

There are few questions similar to this on Stack Overflow but none of the solutions are working for me The ... service other than above options? See Question&Answers more detail:os...

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

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literals - Setting Short Value Java

I am writing a little code in J2ME. I have a class with a method setTableId(Short tableId). Now when I ... the character for Short value? 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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multithreading - In Java, how do you determine if a thread is running?

How do you determine if a thread is running? 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# - Variable declarations following if statements

An issue came up on another forum and I knew how to fix it, but it revealed a feature of the compiler ... is the explanation for this behavior? See Question&Answers more detail:os...

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

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Declaring the type of 'this' in a typescript function?

I'm writing a grunt task in TypeScript. I'm trying to translate something I already have in JavaScript. So, ... this to be a different type? See Question&Answers more detail:os...

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

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aggregate functions - use mysql SUM() in a WHERE clause

suppose I have this table id | cash 1 200 2 301 3 101 4 700 and I want to return the first row in which ... WHERE SUM(cash) > 500 doesn't 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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javascript - How to get updated document back from the findOneAndUpdate method?

I am using MongoDB with node js , i used npm install mongodb I want to update an existing document and return the ... mongodb": "^2.1.4", See Question&Answers more detail:os...

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

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autocomplete - Intellisense in IntelliJ no longer working

I'm currently running IntelliJ IDEA 13.1. While running IntelliJ 13 intellisense/autocomplete stopped working. I tried ... this feature on/off? See Question&Answers more detail:os...

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

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console - How can I check if a Java program's input/output streams are connected to a terminal?

I would like a Java program to have different default settings (verbosity, possibly colored output where ... InputStream or PrintStream. See Question&Answers more detail:os...

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

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serialization - How to use Newtonsoft.Json as default in Asp.net Core Web Api?

I am new to ASP.Net Web Api Core. I have been using ASP.Net MVC for past few years and I always have ... ask if you have any questions. 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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bash - Is it possible to get commit logs/messages of a remote git repo without git clone

Is it possible to get commit logs/messages of a remote git repo without git clone? The git repo I am working ... Anyone know how to do that? See Question&Answers more detail:os...

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

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689 views

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forms - HTML <input type='file'> apply a filter

<input type='file' name='userFile'> now when i will click the browse button, the browse dialog will show all files... ... & .pps how to do 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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698 views

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maven - Remove or delete resource files from target directory using pom file

I have two profiles in pom.xml, and I have some resource files which I have added into target resource ... existing files from target directory? See Question&Answers more detail:os...

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

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545 views

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java - Iterating through a LinkedHashMap in reverse order

I have a LinkedHashMap: LinkedHashMap<String, RecordItemElement> that I need to iterate through from a given key's position, ... 9, 8, 7 etc. See Question&Answers more detail:os...

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

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299 views

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c# - Why does this simple .NET console app have so many threads?

This simple program starts with 15 threads - according to the count. Sometimes during its lifetime it drops a few, ... that many threads? Why? See Question&Answers more detail:os...

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

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.net - Using binding for the Value property of DataTrigger condition

I'm working on a WPF application and struggling with a data trigger. I'd like to bind the value ... a DependencyProperty of a DependencyObject. See Question&Answers more detail:os...

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

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321 views

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c# - How do I get the subscribers of an event?

I need to copy the subscribers of one event to another event. Can I get the subscribers of an event (like ... Would that be the best solution? See Question&Answers more detail:os...

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

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795 views

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regex - Insert a newline character every 64 characters using Python

Using Python I need to insert a newline character into a string every 64 characters. In Perl it's easy: s/(.{ ... a more pythonic way to do 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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the bytes type in python 2.7 and PEP-358

According to PEP 358, a bytes object is used to store a mutable sequence of bytes (0-255), raising if ... the implementation does not conform ? See Question&Answers more detail:os...

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

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268 views

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sql server - error when inserting into table having instead of trigger from entity data framework

I'm using entity framework 4 , on inserting a new record using entity framework in a table that have instead ... to get around this exception? 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 - Should DataContext be disposed using IDisposable

I have several methods that deal with DB and all of them start by calling FaierDbDataContext db = new ... one way or another? See Question&Answers more detail:os...

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

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297 views

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C++: Is it safe to cast pointer to int and later back to pointer again?

Is it safe to cast pointer to int and later back to pointer again? How about if we know if the pointer is ... Is this covered by the Standard? See Question&Answers more detail:os...

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

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394 views

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c# - async/await keywords not available in .net 4.0

I would like to use the async/await in C# 4.0 and I have installed the following package: http://www.nuget ... am using VS2010 with SP1. 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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370 views

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c# - Reading a binary file and using Response.BinaryWrite()

I have an app that needs to read a PDF file from the file system and then write it out to the user. The ... (1); Response.BinaryWrite(buffer); } See Question&Answers more detail:os...

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

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