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python - How to write DataFrame to postgres table?

There is DataFrame.to_sql method, but it works only for mysql, sqlite and oracle databases. I cant pass to this method postgres connection or sqlalchemy engine. Question&Answers:os...

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

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281 views

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Facebook Access Token for Pages

I have a Facebook Page that I want to get some things from it. First thing are feeds and from what I read ... I clicked but had no access_token in return... Question&Answers:os...

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

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70 views

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java - Add context path to Spring Boot application

I am trying to set a Spring Boot applications context root programmatically. The reason for the context root ... the context root before the request mapping? Question&Answers:os...

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

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813 views

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module - How to import a Python class that is in a directory above?

I want to inherit from a class in a file that lies in a directory above the current one. Is it possible to relatively import that file? Question&Answers:os...

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

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design patterns - Subclassing a Java Builder class

Give this Dr Dobbs article, and the Builder Pattern in particular, how do we handle the case of subclassing a ... the builder calls are in the correct order. Question&Answers:os...

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

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javascript - How to avoid long nesting of asynchronous functions in Node.js

I want to make a page that displays some data from a DB, so I have created some functions that ... functions, which seems to be something fundamental. Question&Answers:os...

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

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macos - npm global path prefix

I am being more cautious than usual because I have been confused by the behavior of npm in the past. I am on ... over jslint, and have not used jslint in years. Question&Answers:os...

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

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asp.net web api - Why do we have to specify FromBody and FromUri?

Why are the FromBody and FromUri attributes needed in ASP.NET Web API`? What are the differences between using the attributes and not using them? Question&Answers:os...

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

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command line - git update-index --assume-unchanged on directory

git 1.7.12 I want to mark all files below a given directory as assume-unchanged. 1) git update-index --assume ... need to be ignored so that users can do pulls. Question&Answers:os...

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

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git submodules - Two git repositories in one directory?

Is it possible to have 2 git repositories in one directory? I'd think not, but thought I'd ask. Basically, ... from the main git repository. Any other ideas? Question&Answers:os...

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

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c++ - Is the safe-bool idiom obsolete in C++11?

This answer of @R. Martinho Fernandes shows, that the safe-bool idiom is apperently deprecated in C++11, as ... hope we didn't overlook any potential drawbacks. Question&Answers:os...

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

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regex - Difference between A z and ^ $ in Ruby regular expressions

In the documentation I read: Use A and z to match the start and end of the string, ^ and $ match the start/end ... the difference: I've always used ^ and $ ... Question&Answers:os...

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

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multithreading - How to synchronize a static variable among threads running different instances of a class in Java?

I know that using the synchronize keyword before a method brings synchronization to that object. That is, 2 ... now synchronized across instances of class Test? Question&Answers:os...

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

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javascript - How to set value of input text using jQuery

I have an input text which is this: <div class="editor-label"> @Html.LabelFor(model => model.EmployeeId, "Employee ... data-valmsg-replace="true"></span> </div> Question&Answers:os...

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

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FTP/SFTP access to an Amazon S3 Bucket

Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. Question&Answers:os...

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

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1 answer

c# - NuGet behind a proxy

I figure out that NuGet allows proxy settings configuration since 1.4 version (June 2011). But, I can't ... configure the proxy settings on the command line? Question&Answers:os...

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

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313 views

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How do you increase the max number of concurrent connections in Apache?

What httpd conf settings do I need to change to increase the max number of concurrent connections for ... ThreadsPerChild 25 MaxRequestsPerChild 0 </IfModule> Question&Answers:os...

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

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objective c - Swift compiler error: "non-modular header inside framework module"

Now I would like to migrate my ObjC framework to Swift and I got the following ... setting to yes: CLANG_ALLOW_NON_MODULAR_INCLUDES_IN_FRAMEWORK_MODULES = YES Question&Answers:os...

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

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objective c - Has anyone implemented the PayPal API through a native iPhone app?

It seems the only way to stay "in app" is to give them a UIWebView of the paypal mobile site and let them ... . You have to re-direct to a web interface. Question&Answers:os...

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

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Embedding unmanaged dll into a managed C# dll

I have a managed C# dll that uses an unmanaged C++ dll using DLLImport. All is working great. However, I want ... com/suzcook/ that's supposed to be possible... Question&Answers:os...

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

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278 views

1 answer

python - Serializing class instance to JSON

I am trying to create a JSON string representation of a class instance and having difficulty. Let's say the class ... )x81qx01}qx02b.' What am I doing wrong? Question&Answers:os...

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

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187 views

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java - Spring Boot + JPA : Column name annotation ignored

I have a Spring Boot application with dependency spring-boot-starter-data-jpa. My entity class has ... Using dialect: org.hibernate.dialect.SQLServerDialect Question&Answers:os...

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

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typescript - How to get query params from url in Angular 2?

I use angular2.0.0-beta.7. When a component is loaded on a path like /path?query=value1 it is ... query params("/my/path?param1=value1&param2=value2") Question&Answers:os...

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

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119 views

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.doc to pdf using python

I'am tasked with converting tons of .doc files to .pdf. And the only way my supervisor wants me to do this is ... . Dont know how useful this is going to be. 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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How to get nth jQuery element

In jQuery, $("...").get(3) returns the 3rd DOM element. What is the function to return the 3rd jQuery element? Question&Answers:os...

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

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567 views

1 answer

reactjs - What is the best way to access redux store outside a react component?

@connect works great when I'm trying to access the store within a react component. But how should I access ... } Any insights or workflow patterns out there? Question&Answers:os...

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

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212 views

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javascript - HTML input file selection event not firing upon selecting the same file

Is there any chance to detect every file selection the user made for an HTML input of type file element? This ... fire if the user select the same file again. Question&Answers:os...

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

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1.0k views

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function - Difference between . and : in Lua

I am confused about the difference between function calls via . and via : > x = {foo = function(a,b) return a end, bar ... x:bar(3,4) 3 What is the : doing ? Question&Answers:os...

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

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