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How to draw grid using swing class Java and detect mouse position when click and drag

I am trying to create a grid UI (5*5) using Swing classes. I tried a nested loop and adding a jPanel ... change the colour of a chosen cell. See Question&Answers more detail:os...

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

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optional parameters in SQL Server stored proc?

I'm writing some stored procs in SQL Server 2008, and wondered if the concept of optional input parameters is ... is available here. 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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python - Unresolved attribute reference 'objects' for class '' in PyCharm

I use community pycharm and the version of python is 3.6.1, django is 1.11.1. This warning has no affect ... cannot use the IDE's auto complete. See Question&Answers more detail:os...

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

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Is mapToDouble() really necessary for summing a List<Double> with Java 8 streams?

As far as I can tell, the way to sum a List<Double> using Java 8 streams is this: List<Double> vals ... operations on List<Double> and similar. 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 - Time: How to get the next friday?

How can I get the next friday with the Joda-Time API. The LocalDate of today is today. It looks to me you ... (Tutorial) which is even better. See Question&Answers more detail:os...

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

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wpf - How do I change RichTextBox paragraph spacing?

I am using a RichTextBox in WPF, and am trying to set the default paragraph spacing to 0 (so that ... programmatically if possible. Any ideas? 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 - Interview: How to ensure that a thread runs after another?

There are thread T1, T2 and T3, how can we ensure that thread T2 run after T1 and thread T3 run after T2 ... t answer. Please explain in detail. See Question&Answers more detail:os...

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

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web services - Spring, Jackson and Customization (e.g. CustomDeserializer)

Being still a little unfamiliar with Spring, I have encountered a problem that makes it necessary implementing ... suggestions most welcome. See Question&Answers more detail:os...

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

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inheritance - Public virtual function derived private in C++

I was trying to figure out what happens when a derived class declares a virtual function as private. The following ... is: C::func called 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 - How to use composer packages in codeigniter?

I've followed this article: http://philsturgeon.co.uk/blog/2012/05/composer-with-codeigniter But I get Fatal ... in a non-namespaced framework. 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 - How to dynamically allocate a contiguous block of memory for a 2D array

If I allocate a 2D array like this int a[N][N]; it will allocate a contiguous block of memory. But if I try ... , is there another 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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c# - JSON Serialize List<KeyValuePair<string, object>>

I used a Dictionary in a Web API project, which is serializing like that in JSON: {"keyname":{objectvalue}," ... way a dictionary does? 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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strtotime - php function for get all mondays within date range

Example: $startDate is Monday 2007-02-05 and $endDate is Tuesday 2007-02-20. Then I want it to list: Monday 2007- ... the way i want? PHP Code: 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 to pass Json object from ajax to spring mvc controller?

I am working on SpringMVC, I am passing data from ajax to controller but i got null value in my controller please ... value } any one help me See Question&Answers more detail:os...

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

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Rotate zoom drag image in android imageview

I want to be able to rotate, zoom and move an image in android framelayout and imageview. With the following code ... within UI all the time? See Question&Answers more detail:os...

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

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569 views

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python - How to access id/widget of different class from a kivy file (.kv)?

What I want to know? If button with id: button_b (Get_Boys class) is released, then Label with id: label_g ( ... label_g text:"Label for girls" 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 - Recursive Fibonacci memoization

I need some help with a program I'm writing for my Programming II class at universtiy. The question asks that ... correctly parts of the array. See Question&Answers more detail:os...

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

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342 views

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Insert blanks into a vector for, e.g., minor tick labels in R

This question relates generally to a previous SO question concerning the creation of minor tick marks on a ggplot2 ... see my answer below). See Question&Answers more detail:os...

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

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821 views

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c# - Recursive LINQ query: select item and all children with subchildren

Is there any way to write a LINQ (or procedural style) query, that can select an item and all children with one query? I ... of 1,2,3,4,5,6. 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 : binary image data, checking the image type

I have some images in bin, I want to check the header to check the format (jpg, png, etc) I don't want ... I have a solution using TEMP FILES. See Question&Answers more detail:os...

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

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442 views

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javascript - Implementing jquery UI autocomplete to show suggestions when you type "@"

I'm using jquery UI AutoComplete to allow users to tag friends using @mentions. By default, the autocomplete suggestions ... , minLength: 0 }); See Question&Answers more detail:os...

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

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524 views

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email - sending mail with php & escaping hotmails junk folder

I have been trying to get PEAR::mail to successfully deliver emails to hotmail users without being flagged as ... and purpose of these emails. See Question&Answers more detail:os...

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

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438 views

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Any yaml libraries in Python that support dumping of long strings as block literals or folded blocks?

I'd like to be able to dump a dictionary containing long strings that I'd like to have in the block style ... this way. Am I missing something? See Question&Answers more detail:os...

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

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464 views

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tail -f in python with no time.sleep

I need to emulate "tail -f" in python, but I don't want to use time.sleep in the reading loop. I want ... don't use sleep, hehe Thanks. MarioR See Question&Answers more detail:os...

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

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486 views

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java - Using Selenium WebDriver with Tor

Because Tor Browser Bundle is just a patched version of Firefox, it seems that it should be possible to use a ... that can be downloaded 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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707 views

1 answer

pdf - How to add PDFBox to an Android project or suggest alternative

I'm attempting to open an existing pdf file and then add another page to the pdf document from within an ... I imported it correctly? 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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189 views

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c++ - BOOST_STATIC_ASSERT without boost

Since boost is forbidden in a company I work for I need to implement its functionality in pure C++. I've looked ... to use any C++0x features. See Question&Answers more detail: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 server - Why execute stored procedures is faster than SQL query from a script?

In fact, if I call the stored procedures from my application, I need a connection to my DB. So, why calling ... query" string to be executed? See Question&Answers more detail:os...

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

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