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Local variable in template for async pipe (angular 2+)

my template have something like... <div> {{ (profile$ | async).username}}</div> <div> {{ (profile$ | ... .com/questions/39682546/local-variable-in-template-for-async-pipe-angular-2...

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

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pug - Jade - missing space before text for line x of jade file

I'm making an Express based web application and everytime someone visits this jade file i get the following error: ... jade-missing-space-before-text-for-line-x-of-jade-file...

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

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153 views

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c++ - Enums: Can they do in .h or must stay in .cpp?

If I have something like: enum { kCP_AboutBox_IconViewID = 1, kCP_AboutBox_AppNameViewID = 2, kCP_AboutBox_VersionViewID = 3, ... -they-do-in-h-or-must-stay-in-cpp...

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

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python - trapping a MySql warning

In my python script I would like to trap a "Data truncated for column 'xxx'" warning durnig my query ... from:https://stackoverflow.com/questions/2102251/trapping-a-mysql-warning...

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

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c++ - Why is the data type needed in pointer declarations?

As far as I know about data types in C/C++, while declaring a variable, we need to declare its data ... com/questions/9802585/why-is-the-data-type-needed-in-pointer-declarations...

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

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android - handling links in a webview

I have my WebView loading all links inside the webview - but when I select an email link it tries to ... https://stackoverflow.com/questions/4788461/handling-links-in-a-webview...

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

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c# - Does .net core dependency injection support Lazy<T>

I am trying to use the generic Lazy class to instantiate a costly class with .net core dependency ... com/questions/44934511/does-net-core-dependency-injection-support-lazyt...

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

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merge - Merging two columns into one in R

(This question already has answers here): question from:https://stackoverflow.com/questions/29634425/merging-two-columns-into-one-in-r...

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

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mocha.js - How to import "describe" and "it" from mocha in TypeScript?

By default, when importing mocha in TypeScript, it brings in describe and it (and some others) into the global ... 39816482/how-to-import-describe-and-it-from-mocha-in-typescript...

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

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python - Where is the history file for ipython

I can not determine where the ipython is storing its history. a. There is no ~/.pythonhistory: 12:49: ... stackoverflow.com/questions/30629390/where-is-the-history-file-for-ipython...

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

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Changing color of cube in three.js

I'm trying to change the color of a cube based on a variable. I created two cubes and I want to change ... //stackoverflow.com/questions/14181631/changing-color-of-cube-in-three-js...

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

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css - Are there any Sass code formatters?

(Closed.) This question does not meet Stack Overflow guidelines. It is not currently accepting answers. question ... .com/questions/9799346/are-there-any-sass-code-formatters...

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

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javascript - How to invert (transpose) the rows and columns of an HTML table?

I want to transpose the rows and columns in an HTML table, i.e. Rows as Columns, Columns as Rows. In what way ... /how-to-invert-transpose-the-rows-and-columns-of-an-html-table...

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

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file io - How do I read in the contents of a directory in Perl?

How do I get Perl to read the contents of a given directory into an array? Backticks can do it, but is there some ... 22566/how-do-i-read-in-the-contents-of-a-directory-in-perl...

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

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118 views

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python - Converting a list of tuples into a dict

I have a list of tuples like this: [ ('a', 1), ('a', 2), ('a', 3), ('b', 1), (' ... question from:https://stackoverflow.com/questions/261655/converting-a-list-of-tuples-into-a-dict...

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

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907 views

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activerecord - Rails: uniq vs. distinct

Can someone briefly explain to me the difference in use between the methods uniq and distinct? I've seen ... :https://stackoverflow.com/questions/39575398/rails-uniq-vs-distinct...

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

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php - How to execute Stored Procedure from Laravel

I need to execute a stored procedure after my form submits data. I have the stored procedure working like I ... .com/questions/34497063/how-to-execute-stored-procedure-from-laravel...

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

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mysql - SQL SELECT everything after a certain character

I need to extract everything after the last '=' (http://www.domain.com?query=blablabla - > blablabla) ... .com/questions/19495427/sql-select-everything-after-a-certain-character...

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

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asp.net mvc - Get ActionName, ControllerName and AreaName and pass it in ActionFilter Attribute

I use a custom AuthorizationFilter like the followings: public class ActionAuthorizeAttribute : AuthorizeAttribute { protected ... and-areaname-and-pass-it-in-actionfilter-attribut...

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

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timer - How do you time a function in Go and return its runtime in milliseconds?

How do you time a function in Go and return its runtime in milliseconds? question from:https://stackoverflow.com/ ... time-a-function-in-go-and-return-its-runtime-in-milliseconds...

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

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102 views

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javascript - How to programmatically clear/reset React-Select?

ReactSelect V2 and V3 seems to have several props like clearValue, resetValue and setValue. Whatever I'm ... /questions/50412843/how-to-programmatically-clear-reset-react-select...

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

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465 views

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task - what does gulp-"cli" stands for?

Can someone please explain what exactly are the differences between the following two methods of gulp installation: $ ... .com/questions/35571679/what-does-gulp-cli-stands-for...

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

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javascript - Chrome extension: Get current tab from popup

I'm writing a Chrome extension and, in one part of it, I need to get the current tab's title ... /stackoverflow.com/questions/13359421/chrome-extension-get-current-tab-from-popup...

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

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211 views

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Firebug like plugin for Safari browser

Is there a development tool plugin for Safari much like how there exists the Firebug plugin for Firefox? ... .com/questions/3648866/firebug-like-plugin-for-safari-browser...

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

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317 views

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c# - Is it possible to force the use of "using" for disposable classes?

I need to force the use of "using" to dispose a new instance of a class. public class MyClass : IDisposable { . ... /is-it-possible-to-force-the-use-of-using-for-disposable-classes...

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

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c# - How can I use Html.DisplayFor inside of an iterator?

I am loving MVC 2. The whole thing just fits the web so well. There is one piece of functionality, however, ... /3419711/how-can-i-use-html-displayfor-inside-of-an-iterator...

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

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236 views

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linux - How do I calculate the mean of a column

Anyone know how can I calculate the mean of one these columns (on linux)?? sda 2.91 20.44 6.13 2.95 ... stackoverflow.com/questions/3122442/how-do-i-calculate-the-mean-of-a-column...

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

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137 views

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Right mouse click in web applications: good or bad idea?

I'm currently working on a web application and the powers above have decided that overriding the browser's right-click ... /right-mouse-click-in-web-applications-good-or-bad-idea...

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

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