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objective c - CCAvenue iOS kit integration kit

I am trying to integrate CCAvenue payment integration in iOS. They have given me two library files named: libcrypto.a and ... 0.1 and iOS 7.0+ See Question&Answers more detail:os...

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

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java - Abstract Method Error

I am working on a project in netbeans that when I launch it using the glassfish 3.1.2.Everything works fine.But when ... spring-ldap-core-1.3.0.RELEASE.jar file: spring-security-ac...

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

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java - JTable Cell Renderer

I'm following some code I found, (Yes I understand how it works) It's from here :Code Link What i'm ... value to "yellow" Thanks in advance! See Question&Answers more detail:os...

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

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Get all instances of class in Javascript

I thought there would already be an answer for this but I can't seem to find one.. How can I run a ... } var instance = new 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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java - Chrome 59 and Basic Authentication with Selenium/Fluentlenium

Chrome 59 has removed support for https://user:[email protected] URLs. I have a test which was using ... Is there any alternative approach? See Question&Answers more detail:os...

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

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Google Charts vertical axis in whole numbers

I am trying to configure a Google column chart to display the vertical axis in whole numbers but when it ... that seems relevant. 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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java - Odd situation for "cannot reference this before supertype constructor has been called"

Why doesn't this code compile? public class A { public class B extends A { public B(A a) { } } void foo() ... { } Using javac version: 1.6.0_20 See Question&Answers more detail:os...

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

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rdd - Why does sortBy transformation trigger a Spark job?

As per Spark documentation only RDD actions can trigger a Spark job and the transformations are lazily evaluated when ... in the SparkUI. 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 - How to get the logon SID in C#

How does one retrieve the Windows Logon SID in C# .net? (not the user SID, but the unique new one for each session) 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 - Window.Open POST

I have a link which when clicked I open a window with window.open like below. window.open("edit.jsp?clientId=" ... so people cant copy url . 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 - List for Multiple Plots from Loop (ggplot2) - List elements being overwritten

(Very much a novice, so please excuse any confusion/obvious mistakes) Goal: A loop that allows me to ... having each previous plot overwritten? See Question&Answers more detail:os...

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

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Pass byte array from Unity C# to C++ plugin

I'm trying to pass raw texture data from Texture2D (byte array) to unmanaged C++ code. In C# code array ... memory allocation in C++ 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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jasper reports - doing comparison if else in JasperReports

I want to do a comparison such as: if <field> == 0 then "-" Can somebody tell me the syntax using JasperReports? See Question&Answers more detail:os...

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

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sapui5 - How execute code every time that I view a page

I'm searching the mode to execute a code (in my case the retrieve of data to visualize from server) every ... execute only the first 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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JavaScript KeyCode Values are "undefined" in Internet Explorer 8

I'm having trouble with some JavaScript that I've written, but only with Internet Explorer 8. I have no ... his reputation. Thanks everyone! See Question&Answers more detail:os...

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

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mysql - How to format number with "." as thousand separator, and "," as decimal separator?

how to format number with "." as thousand separator, and "," as decimal separator in MySql? I'm using Format ... How to do in MySQL ? 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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javascript - Node.js Async/Await module export

I'm kinda new to module creation and was wondering about module.exports and waiting for async functions (like a ... really figure that one out See Question&Answers more detail:os...

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

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bit manipulation - Weird result of Java Integer left shift

I'm a little confused now by java left shift operation, 1<<31 = 0x80000000 --> this I can understand ... effort when compile to instructions. 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 - How do I sum tuples in a list where the first value is the same?

I have a list of stocks and positions as tuples. Positive for buy, negative for sell. Example: p = [('AAPL', 50), (' ... 'AAPL', 0), ('RY', 57)] 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++ - Does case-switch work like this?

I came across a case-switch piece of code today and was a bit surprised to see how it worked. The code was: ... s the point of having a case? See Question&Answers more detail:os...

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

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database - Dealing with timezones in PHP

Some issues with timezones in PHP have been in the back of my mind for a while now, and I was wondering ... case. Your thoughts are very 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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python - How to export C# methods?

How can we export C# methods? I have a dll and I want to use its methods in the Python language with the ctypes ... (like they do in C++)? 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# - Accessing Excel Custom Document Properties programmatically

I'm trying to add custom properties to a workbook I have created programmatically. I have a method in place for getting ... .0.0.0 (Office 2007) 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 - Why illegal forward reference error not shown while using static variable with class name

In the below code while accessing a static variable with class name it doesn't throw a forward reference error but ... out.println(a); } } 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 - phpmailer - The following SMTP Error: Data not accepted

I'm trying to figure out this issue for 6 hours. But there is nothing to make sense. Here is the scenario; ... not accepted. I hope I explained See Question&Answers more detail:os...

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

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310 views

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python - Sympy - Comparing expressions

Is there a way to check if two expressions are mathematically equal? I expected tg(x)cos(x) == sin(x) ... but none covered this exact problem. See Question&Answers more detail:os...

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

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876 views

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haskell - Typeclass constraints on data declarations

Apparently it's a bad idea to put a typeclass constraint on a data declaration [src], [src]. I haven't personally ... to allow". Why is 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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reactjs - React: Hide a Component on a specific Route

New to React: I have a <Header /> Component that I want to hide only when the user visit a specific page. The way ... ={Contact} /> </Switch> ); See Question&Answers more detail:os...

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

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