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277 views

1 answer

How to specify a less than today condition on a date in Rails ActiveRecord

I'm trying to figure out how to pull all the records in my set where their fields publish is true and expires ... -a-less-than-today-condition-on-a-date-in-rails-activerecord...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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334 views

1 answer

ASP.NET MVC add css class to actionlink

(This question already has answers here): question from:https://stackoverflow.com/questions/5608622/asp-net-mvc-add-css-class-to-actionlink...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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792 views

1 answer

javascript - jest.mock(): How to mock ES6 class default import using factory parameter

Mocking ES6 class imports I'd like to mock my ES6 class imports within my test files. If the class being ... -mock-how-to-mock-es6-class-default-import-using-factory-parameter...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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860 views

1 answer

desktop - Using Modernizr to test for tablet and mobile - Opinions wanted

I want to use Modernizr to detect whether a user is view a site on a desktop, tablet or mobile device. My ... /7928200/using-modernizr-to-test-for-tablet-and-mobile-opinions-wanted...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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178 views

1 answer

python 2.7 - iPython installed but not found

I've recently deleted Anaconda and reinstalled python with brew. I've installed everything according to ... stackoverflow.com/questions/34441943/ipython-installed-but-not-found...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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484 views

1 answer

Cordova: Android SDK not found. Make sure that it is installed. If it is not at the default location, set the ANDROID_HOME environment variable

I am having problem to build android with Cordova, when I execute cordova build android, I receive this error: Error: Android ... -make-sure-that-it-is-installed-if-it-is-not-at...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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418 views

1 answer

linux - '&&' vs. '&' with the 'test' command in Bash

Consider: gndlp@ubuntu:~$ test -x examples.desktop && echo $? gndlp@ubuntu:~$ test -x examples.desktop & echo ... .com/questions/26770568/vs-with-the-test-command-in-bash...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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525 views

1 answer

c# - Math.Pow vs multiply operator (performance)

Anyone knows if multiply operator is faster than using the Math.Pow method? Like: n * n * n vs ... //stackoverflow.com/questions/936541/math-pow-vs-multiply-operator-performance...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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258 views

1 answer

How to hide the Column header in a WPF DataGrid?

I am using a DataGrid in Expression Blend but I just need to show only the registries and hide the ColumnHeader. How ... /1075902/how-to-hide-the-column-header-in-a-wpf-datagrid...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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637 views

1 answer

c++ - How you convert a std::string_view to a const char*?

Compiling with gcc-7.1 with the flag -std=c++17, the following program raises an error: #include <string_view> void ... /48081436/how-you-convert-a-stdstring-view-to-a-const-char...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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388 views

1 answer

node.js - gulp-sass, watch stops when invalid property name

watch stops when error messages occur. stream.js:94 throw er; // Unhandled stream error in pipe. ^ source ... /questions/21080433/gulp-sass-watch-stops-when-invalid-property-name...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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691 views

1 answer

python - How to speed up bulk insert to MS SQL Server using pyodbc

Below is my code that I'd like some help with. I am having to run it over 1,300,000 rows meaning it takes up ... /29638136/how-to-speed-up-bulk-insert-to-ms-sql-server-using-pyodbc...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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796 views

1 answer

angular - RxJS - Multiple sources for .withLatestFrom

I want to merge the latest emitted values from multiple Observables, so right now I'm using . ... /stackoverflow.com/questions/43503741/rxjs-multiple-sources-for-withlatestfrom...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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97 views

1 answer

php - Load view into a variable

Is there any way that I can get content of a PHP file in to variable? I want to do this $msg = ... from:https://stackoverflow.com/questions/11772651/load-view-into-a-variable...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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172 views

1 answer

css - How can I create a calc mixin to pass as an expression to generate tags?

I am working on a sass stylesheet in which I wish to use the calc element to dynamically size some content. As the ... create-a-calc-mixin-to-pass-as-an-expression-to-generate-tags...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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309 views

1 answer

objective c - Should I call [super awakeFromNib]?

If i implement my own version of awakeFromNib, should I call [super awakeFromNib] at the end of my ... ://stackoverflow.com/questions/3989665/should-i-call-super-awakefromnib...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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180 views

1 answer

android - How to use vector drawables with View besides ImageView with srcCompat?

app:srcCompat with ImageView allows for backward compatible use of vector drawables. But how can you use them ... -use-vector-drawables-with-view-besides-imageview-with-srccompat...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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280 views

1 answer

angular - Host binding and Host listening

How to use the host listener and host binding in angular 2? I tried like the below for host listener, ... ://stackoverflow.com/questions/34719324/host-binding-and-host-listening...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.2k views

1 answer

change rails environment in the mid of testing

How to change the environment variable of rails in testing question from:https://stackoverflow.com/questions/4266497/change-rails-environment-in-the-mid-of-testing...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

178 views

1 answer

mysql - What is the SQL command to return the field names of a table?

Say I have a table called myTable. What is the SQL command to return all of the field names of this table? If the ... what-is-the-sql-command-to-return-the-field-names-of-a-table...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

341 views

1 answer

c# - Return list from async/await method

I want to make a webservice request asynchron. I call it here: List<Item> list = GetListAsync(); Here ... //stackoverflow.com/questions/25720977/return-list-from-async-await-method...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

218 views

1 answer

Idiomatic way of requiring HTTP Basic Auth in Go?

Situation: I'm building a REST API using Gorilla's mux as the router. I'm wondering how I can protect ... /questions/21936332/idiomatic-way-of-requiring-http-basic-auth-in-go...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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595 views

1 answer

button - Detecting physical Menu key press in Android

I am trying to detect when the physical Menu button on my Android phone has been pressed. I though the ... .com/questions/4239880/detecting-physical-menu-key-press-in-android...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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250 views

1 answer

php - how send message facebook friend through graph api using Accessstoken

Can anyone help me to send message to facebook friends using graph api. I tried $response = $facebook-> ... how-send-message-facebook-friend-through-graph-api-using-accessstoken...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

158 views

1 answer

Use of True, False, and None as return values in Python functions

I think that I fully understand this, but I just want to make sure since I keep seeing people say to never ever ... use-of-true-false-and-none-as-return-values-in-python-functions...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

180 views

1 answer

How to make FileFilter in Java?

How to make a filter for .txt files? I wrote something like this but it has an error: private void ... ://stackoverflow.com/questions/5603966/how-to-make-filefilter-in-java...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

344 views

1 answer

go - How to use next available port in http.ListenAndServe

I wrote a simple web server to listen on port 8080. But I don't want to use a hard coded port ... com/questions/43424787/how-to-use-next-available-port-in-http-listenandserve...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

110 views

1 answer

.net - C# Array.Contains () compilation error

I'm trying to use the Array.Contains () method in C#, and for some reason it's failing to compile ... //stackoverflow.com/questions/5838322/c-sharp-array-contains-compilation-error...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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