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php - Can't connect to HTTPS site using cURL. Returns 0 length content instead. What can I do?

I have a site that connects using cURL (latest version) to a secure gateway for payment. The problem is cURL always ... try and use fsockopen() ? Thank you. :) Question&Answers:os...

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

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r - Remove duplicated rows using dplyr

I have a data.frame like this - set.seed(123) df = data.frame(x=sample(0:1,10,replace=T),y= ... I am specifically looking for a solution using dplyr package. Question&Answers:os...

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

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333 views

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java - How to write console output to a txt file

I have tried to write the console output to a txt file using this code suggestion (http://www.daniweb.com/ ... .out.println("Error during reading/writing"); } Question&Answers:os...

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

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python - Pandas Groupby Range of Values

Is there an easy method in pandas to invoke groupby on a range of values increments? For instance given the ... statistics that may be applicable in column A? Question&Answers:os...

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

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design patterns - C# producer/consumer

i've recently come across a producer/consumer pattern c# implementation. it's very simple and (for me at least) very ... ); } return queue.Dequeue(); } } } Question&Answers:os...

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

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Git Post-Receive Hook for Website Staging

I'm trying to set up Git for staging my website so that I can git pull to get the current version to work ... reset --hard HEAD echo "Changes pushed to server." Question&Answers:os...

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

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collections - Is there a common Java utility to break a list into batches?

I wrote myself a utility to break a list into batches of given size. I just wanted to know if there is ... if there any existing utility already for the same. Question&Answers:os...

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

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java - SQLite in Android How to update a specific row

I've been trying to update a specific row for a while now, and it seems that there are two ways to do ... correctly. Can anyone 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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javascript - Track event in google analytics upon clicking form submit

I need to track an event in google analytics when someone fills out a form and clicks submit. The resulting page ... ensure I don't miss events being tracked? Question&Answers:os...

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

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Calling a C# library from python

Anyone can share a working example on how to call a simple C# library (actually its WPF) from python code? ( ... this code from my python all. Any suggestions? Question&Answers:os...

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

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c# - Format XML string to print friendly XML string

I have an XML string as such: <?xml version='1.0'?><response><error code='1'> Success</error></response ... .Net library or code snippet that I can use offhand? Question&Answers:os...

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

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python - Pythonic way to return list of every nth item in a larger list

Say we have a list of numbers from 0 to 1000. Is there a pythonic/efficient way to produce a list of the first ... way to do this, perhaps even in one line? Question&Answers:os...

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

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python - How do I close a tkinter window?

How do I end a Tkinter program? Let's say I have this code: from Tkinter import * def quit(): # ... should I define the quit function to exit my application? Question&Answers:os...

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

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ios - Setting up buttons in SKScene

I'm discovering that UIButtons don't work very well with SKScene, So I'm attempting to subclass SKNode to ... to finding the solution to this problem. Thanks. Question&Answers:os...

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

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c# - How to make sure that string is valid JSON using JSON.NET

I have a raw string. I just want to validate whether the string is valid JSON or not. I'm using JSON.NET. Question&Answers:os...

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

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shell - How could the UNIX sort command sort a very large file?

The UNIX sort command can sort a very large file like this: sort large_file How is the sort algorithm ... it does not cause excessive consumption of memory? Question&Answers:os...

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

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javascript - Stopping GIF Animation Programmatically

I am developing a Twitter application which references to the images directly from Twitter. How can I prevent ... Preferable this should work for all browsers Question&Answers:os...

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

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c++ - Why doesn't std::queue::pop return value.?

I went through this page but I am not able to get the reason for the same . There it is mentioned that ... , pop function could have done the same thing. Question&Answers:os...

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

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150 views

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java - Eclipse "Error: Could not find or load main class"

I have a project in eclipse on my laptop that I pushed to Git https://github.com/chrisbramm/LastFM-History-Graph.git ... out now, what I need to check/change. Question&Answers:os...

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

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vscode settings - Disable tooltip hint in Visual Studio Code

How can I disable the default tooltip hint message in VSCode? It's annoying sometimes. Question&Answers:os...

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

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204 views

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sql - Generating a random & unique 8 character string using MySQL

I'm working on a game which involves vehicles at some point. I have a MySQL table named "vehicles" containing ... , and nothing more. Any help is appreciated. Question&Answers:os...

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

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218 views

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Using global keyboard hook (WH_KEYBOARD_LL) in WPF / C#

I stitched together from code I found in internet myself WH_KEYBOARD_LL helper class: Put the following code to some ... keeps single letter down for a while. Question&Answers: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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java - clone() vs copy constructor vs factory method?

I did a quick google on implementing clone() in Java and found: http://www.javapractices.com/topic/ ... missing something? Any insights would be appreciated. Question&Answers:os...

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

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101 views

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c# - ServiceStack Request DTO design

I am a .Net developer used to develop web application on Microsoft Technologies. I am trying to educate myself ... show me the right direction to follow. Question&Answers:os...

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

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c++ - How to hide a string in binary code?

Sometimes, it is useful to hide a string from a binary (executable) file. For example, it makes sense to hide ... . I can't even change the encryption key. Question&Answers:os...

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

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Why is Java's boolean primitive size not defined?

The Java Virtual Machine Specification says that there is limited support for boolean primitive types. There are no Java ... is used to store a boolean type? Question&Answers:os...

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

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117 views

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java - How to use classes from .jar files?

I read the Java tutorials on Sun for JAR files, but I still can't find a solution for my problem. I need ... .com/software/jtwitter.php I'm using JCreator LE. Question&Answers:os...

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

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c# - Joining two lists together

If I have two lists of type string (or any other type), what is a quick way of joining the two lists ... to implement any .NET interfaces for speed of delivery. Question&Answers:os...

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

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