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c# - Access to the path is denied when using Directory.GetFiles(...)

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

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c# - Generate a PDF that automatically prints

I have a ASP.NET Web application that generates a PDF. I am using iTextSharp. What happens is that you click ... button and have it open with the print dialog. Question&Answers:os...

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

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java - Maven Compilation Error: (use -source 7 or higher to enable diamond operator)

I'm using maven in IntelliJ, JDK1.8, maven 3.2.5. Got compilation error: use -source 7 or higher to enable ... source level? seems it doesn't use java 1.8. Question&Answers:os...

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

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java - Replace last part of string

I want to replace the last String which is a , with ) Suppose the string is: Insert into dual (name,date, to be converted to: Insert into dual (name,date) Question&Answers:os...

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

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html - CSS ''background-color" attribute not working on checkbox inside <div>

The heading pretty much explains it. I have a couple of checkboxes inside a scrollable div. But for some reasons ... that can point me in the right direction! Question&Answers:os...

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

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Is there a jackson datatype module for JDK8 java.time?

I'm looking for a module for the new JDK8 java.time classes. I have looked through the FasterXML GitHub ... see if any other efforts were already underway. Question&Answers:os...

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

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java - The method printf(String, Object[]) in the type PrintStream is not applicable for the arguments (...)

Why do I get the following compilation error with a simple call to printf? My code: import java.util.Scanner; ... issue, but looks like I have updated versions. Question&Answers:os...

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

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How to send email from MySQL 5.1

I'm trying to send an email to several recipients when a new row is inserted into a table. The list of ... but only to a predetermined set of people. Thanks. Question&Answers:os...

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

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java - Where is the JavaBean property naming convention defined?

The Spring Framework API doc says: The convention used is to return the uncapitalized short name of the Class, ... : class: SomeName --> object: someName. Question&Answers:os...

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

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parsing - How to sum digits of an integer in java?

I am having a hard time figuring out the solution to this problem. I am trying to develop a program in ... confusing me and I would appreciate anyones ideas. Question&Answers:os...

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

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Fill histograms (array reduction) in parallel with OpenMP without using a critical section

I would like to fill histograms in parallel using OpenMP. I have come up with two different methods of doing this with OpenMP ... + i]; } } } _mm_free(hista); } Question&Answers:os...

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

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c# - LINQ Grouping dynamically

I have a class list of records, so user can select to group rows dynamically by property name. For example MenuText, ... the list of menu by the columnName } } Question&Answers:os...

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

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Is there an "if -then - else " statement in XPath?

It seems with all the rich amount of function in xpath that you could do an "if" . However , my engine keeps insisting ... /div [@id='head']/text()) Any advice? Question&Answers:os...

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

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c++ - What is the difference between (type)value and type(value)?

What is the difference between (type)value and type(value) in C++? Question&Answers:os...

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

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html - Is there a way to style part of an input field's value?

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

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python - How can I flatten lists without splitting strings?

I'd like to flatten lists that may contain other lists without breaking strings apart. For example: In [39]: list( ... would like ['cat', 'dog', 'bird'] Question&Answers:os...

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

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vba - Loading addins when Excel is instantiated programmatically

I am trying to create a new instance of Excel using VBA using: Set XlApp = New Excel.Application The problem ... add-ins that usually load when opening Excel. Question&Answers:os...

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

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c - What operations and functions on +0.0 and -0.0 give different arithmetic results?

In C, when 0.0 is supported, -0.0 or +0.0 assigned to a double typically makes no arithmetic difference. ... . Also the 2 results should not both be NaN. Question&Answers:os...

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

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regex - Using alternation or character class for single character matching?

(Note: Title doesn't seem to clear -- if someone can rephrase this I'm all for it!) Given this regex: (.*_e.txt), which ... (e|f|x).txt), or b) (.*[efx].txt) Question&Answers:os...

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

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Kill another application on Android?

I am try to kill my another application. But this code is not able to kill my another application. I know ... running in the background. Where am I mistaken? Question&Answers:os...

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

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mysql - Prevent SQL injection attacks in a Java program

I have to add a statement to my java program to update a database table: String insert = "INSERT INTO customer(name ... by a hacker and how I can prevent this. Question&Answers:os...

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

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regex - How to detect a floating point number using a regular expression

What is a good regular expression for handling a floating point number (i.e. like Java's Float) The answer must ... post the accepted answer in it's own post. Question&Answers:os...

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

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c# - Is there a way to set properties on struct instances using reflection?

I'm trying to write some code that sets a property on a struct (important that it's a property on a struct) ... I don't know of an equivalent for PropertyInfo. Question&Answers:os...

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

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iphone - Google Maps output=kml broken?

All I was using the google maps KML output in my iPhone app. If I type the following on my browser, it used ... a valid xml returned. Obviously.... Thanks, mbh Question&Answers:os...

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

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vba - Application.Match gives type mismatch

I am trying to use Application.Match however it is returning a type mismatch error:13 error. Why? Dim mySrs as Series Dim ... , ws.Range("P37:P71"), 0) MsgBox y Question&Answers:os...

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

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Python sockets error TypeError: a bytes-like object is required, not 'str' with send function

I am trying to create a program that will open a port on the local machine and let others connect into it via ... connect and have a full shell on that machine. Question&Answers:os...

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

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php - CodeIgniter: "The filetype you are attempting to upload is not allowed."

I'm experiencing a very odd upload problem. Here's the relevant view file: <form action="http://localhost/ ... files upload. Are these browser or server issues? Question&Answers:os...

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

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performance - Is ADD 1 really faster than INC ? x86

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

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