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templates - Why do type aliases in C++ use 'using' instead of 'typedef' in their syntax?

Clearly, type aliases and templated type aliases are semantically equivalent to typedefs and an extension of typedefs to ... in-c-use-using-instead-of-typedef-in-their-syntax...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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513 views

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MySQL query - using SUM of COUNT

This query: SELECT COUNT(source) AS count FROM call_details GROUP BY source HAVING count >1 Returns about ... stackoverflow.com/questions/6709747/mysql-query-using-sum-of-count...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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857 views

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app store connect - How to remove an app that's waiting for review?

(This question already has answers here): question from:https://stackoverflow.com/questions/5994280/how-to-remove-an-app-thats-waiting-for-review...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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306 views

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r - wrap long text in kable table column

I would like wrap long text in my kable table. Here is a simple example of a table with column text ... /stackoverflow.com/questions/29425499/wrap-long-text-in-kable-table-column...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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113 views

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javascript - Finding matching objects in an array of objects?

var set = [{"color":"blue"},{"color":"green"},{"color":"red"},{"color":"green"}]; I'd ... ://stackoverflow.com/questions/6237537/finding-matching-objects-in-an-array-of-objects...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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351 views

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java - How to send email with attachment using InputStream and Spring?

The situation is like this: First, we generate a file in the memory, we can get a InputStream object. ... 5677490/how-to-send-email-with-attachment-using-inputstream-and-spring...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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310 views

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ruby on rails - link_to the current page plus/merged with a param

(This question already has answers here): question from:https://stackoverflow.com/questions/5535908/link-to-the-current-page-plus-merged-with-a-param...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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92 views

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Built-in factorial function in Haskell

I know this sounds like a stupid question, but here it is: Is there a built-in factorial in Haskell ... //stackoverflow.com/questions/6806946/built-in-factorial-function-in-haskell...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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197 views

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java - What does this expression language ${pageContext.request.contextPath} exactly do in JSP EL?

I have a web app, where I have different navigation anchor tags such as Home, Profile and etc. ( ... /what-does-this-expression-language-pagecontext-request-contextpath-exactly-do...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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212 views

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prototyping - Can someone tell me what Strong typing and weak typing means and which one is better?

Can someone tell me what Strong typing and weak typing means and which one is better? question from:https:// ... strong-typing-and-weak-typing-means-and-which-one-is-be...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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89 views

1 answer

How to copy a string of std::string type in C++?

I used the strcpy() function and it only works if I use C-string arrays like: char a[6] = "text"; char b[ ... .com/questions/12678819/how-to-copy-a-string-of-stdstring-type-in-c...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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254 views

1 answer

c - When an int is cast to a short and truncated, how is the new value determined?

Can someone clarify what happens when an integer is cast to a short in C? I'm using Raspberry Pi, so I'm aware ... is-cast-to-a-short-and-truncated-how-is-the-new-value-determined...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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290 views

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Equals operator for zeros (BigDecimal / Double) in Java

A few interesting observations w.r.t equals operator on 0 and 0.0 new Double(0.0).equals(0) returns ... .com/questions/9992006/equals-operator-for-zeros-bigdecimal-double-in-java...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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584 views

1 answer

vb6 - Block commenting VB/VB.NET code

How to comment multiple lines of code/block of code in VB? question from:https://stackoverflow.com/questions/1068395/block-commenting-vb-vb-net-code...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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931 views

1 answer

match - Negation of %in% in R

(This question already has answers here): question from:https://stackoverflow.com/questions/38351820/negation-of-in-in-r...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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320 views

1 answer

Making a table row into a link in Rails

I am trying to make a row in a table link to the edit page. I know the links are being created, because I ... .com/questions/9945620/making-a-table-row-into-a-link-in-rails...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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248 views

1 answer

java - What does this expression language ${pageContext.request.contextPath} exactly do in JSP EL?

I have a web app, where I have different navigation anchor tags such as Home, Profile and etc. ( ... /what-does-this-expression-language-pagecontext-request-contextpath-exactly-do...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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163 views

1 answer

ruby on rails - Migrating from Authlogic to Devise

I've previously implemented Authlogic for authorization on my site. Now however I wish to switch over to ... /stackoverflow.com/questions/3840072/migrating-from-authlogic-to-devise...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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116 views

1 answer

c# - Web Browser component is IE7 not IE8? How to change this?

So I have an C# Form application that utilizes the web browser component. Apparently Response.Write(Request.Browser.Version. ... browser-component-is-ie7-not-ie8-how-to-change-this...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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804 views

1 answer

bash - How to run jq from gitbash in windows?

I have gitbash in Windows. I am trying to run jq but its giving me error. $ ./jq-win64.exe jq parse ... /stackoverflow.com/questions/53967693/how-to-run-jq-from-gitbash-in-windows...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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235 views

1 answer

objective c - iOS 10 GM with xcode 8 GM causes views to disappear due to roundedCorners & clipsToBounds

I tested my app with iOS 10 Beta 7 and Xcode 8 beta and everything worked fine. However just a few minutes ... with-xcode-8-gm-causes-views-to-disappear-due-to-roundedcorners-clip...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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145 views

1 answer

how to integrate Angular 2 + Java Maven Web Application

I have created a Angular 2 front-end Application.and i have created one Java Rest WS Back-end Application which ... /38532210/how-to-integrate-angular-2-java-maven-web-application...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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94 views

1 answer

python - Django urls straight to html template

Learning django & python. Just set up a new site after doing the tutorial. Now for arguments sake say ... /stackoverflow.com/questions/3402708/django-urls-straight-to-html-template...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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242 views

1 answer

Android - Difference between Gridlayout and Staggered Gridlayout

I am working in android material design api & want to display some data in grid format. I ... com/questions/34216890/android-difference-between-gridlayout-and-staggered-gridlayout...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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137 views

1 answer

ios - Add a simple UIView as header of UICollectionView

I have a UICollectionView. I would like to add a header. My header would only be a UILabel. I've : ... .com/questions/21731318/add-a-simple-uiview-as-header-of-uicollectionview...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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120 views

1 answer

Parsing an arithmetic expression and building a tree from it in Java

I needed some help with creating custom trees given an arithmetic expression. Say, for example, you input this ... -arithmetic-expression-and-building-a-tree-from-it-in-java...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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667 views

1 answer

process - How to check if a program is using .NET?

Can we check if a running application or a program uses .Net framework to execute itself? question from:https:// ... questions/2080046/how-to-check-if-a-program-is-using-net...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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165 views

1 answer

ruby on rails - Migrating from Authlogic to Devise

I've previously implemented Authlogic for authorization on my site. Now however I wish to switch over to ... /stackoverflow.com/questions/3840072/migrating-from-authlogic-to-devise...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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