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mysql - sql group by different columns and count on different columns

I have table structure like below. mode ogn_city dst_city city flight bengaluru delhi flight kolkata bengaluru flight ... group-by-different-columns-and-count-on-different-columns...

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

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696 views

1 answer

mongodb - What is the difference between mongoose.ObjectId and mongoose.Types.ObjectId?

It's mentioned in the docs the following: An ObjectId is a special type typically used for unique ... is-the-difference-between-mongoose-objectid-and-mongoose-types-objectid...

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

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244 views

1 answer

jquery - Show the corresponding dropdown when an option is selected

How can I show a second drop down based on the value of the first dropdown option selected? There's ... /65831311/show-the-corresponding-dropdown-when-an-option-is-selected...

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

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186 views

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c# - Is it possible to combine 2 LINQ queries, each filtering data, before fetching the results of the queries?

I need to retrieve data from 2 SQL tables, using LINQ. I was hoping to combine them using a Join. I've ... possible-to-combine-2-linq-queries-each-filtering-data-before-fetching-t...

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

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1.6k views

1 answer

docker - Build and deploy on the same dockerized runner

I'd like to build and deploy a static website (Middleman) using a self-hosted GitLab instance and CI runners ... /questions/65831279/build-and-deploy-on-the-same-dockerized-runner...

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

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160 views

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How to generate a series of real random numbers in Java?

The java documentation said java.util.Random only produces pseudo-random numbers. Is there a way to generate real random ... -to-generate-a-series-of-real-random-numbers-in-java...

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

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772 views

1 answer

selenium - How to set upload and download directory Java + Serenity BDD?

I'm trying to set upload and download directories in order to upload files from the directory and download files to ... /how-to-set-upload-and-download-directory-java-serenity-bdd...

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

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232 views

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java - How to resolve hibernate n+1 problem OneToMany and ManyToOne

I have problem with N+1 Hibernate. I have followings entities : public class Coupon { @Id @GeneratedValue( ... 65831150/how-to-resolve-hibernate-n1-problem-onetomany-and-manytoone...

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

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401 views

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dictionary - Looking for the most performant means of assigning multiple values to a dict key in python

I would like a make a call to a team name, and get their statistics (home and away points scored), which ... the-most-performant-means-of-assigning-multiple-values-to-a-dict-key...

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

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171 views

1 answer

python - Is there a `Split` equivalent to torch.nn.Sequential?

A sample code for a Sequential block is self._encoder = nn.Sequential( # 1, 28, 28 nn.Conv2d(in_channels= ... /questions/65831101/is-there-a-split-equivalent-to-torch-nn-sequential...

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

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505 views

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accessibility - Choose between two options on website, should I use buttons or radiobuttons?

I'm working on a voting app and I'm trying hard to make it as accessible as possible. But I can't ... /choose-between-two-options-on-website-should-i-use-buttons-or-radiobuttons...

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

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118 views

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language agnostic - What does it mean to "program to an interface"?

I have seen this mentioned a few times and I am not clear on what it means. When and why would ... com/questions/65831085/when-to-use-interface-variable-vs-implementation-variable...

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

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336 views

1 answer

reactjs - React useEffect Missing Dependency

React showing missing dependancy, but everything seems ok. I dont want declare function inside useeffect ... stackoverflow.com/questions/65830990/react-useeffect-missing-dependency...

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

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365 views

1 answer

matlab - return indices where two arrays of unequal size match

I have two column arrays x and y with matching numbers, but the first few numbers in y are missing. How ... questions/65830976/return-indices-where-two-arrays-of-unequal-size-match...

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

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165 views

1 answer

(PHP) How do I make bold words from a text, that start with a specific letter?

I am pretty new to PHP, and I can't seem to make this work... I need to make all the words that start with a ... -do-i-make-bold-words-from-a-text-that-start-with-a-specific-letter...

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

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251 views

1 answer

ios - SwiftUI App not displaying sheet on button tap

I am creating a SwiftUI app and wanted to add a settings screen that would be displayed as a modal sheet ... com/questions/65830947/swiftui-app-not-displaying-sheet-on-button-tap...

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

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74 views

1 answer

How to fix this problem with WordPress search field?

When I try to add search field in header on WordPress I got a problem. The letter "T" is changed with ... /questions/65830924/how-to-fix-this-problem-with-wordpress-search-field...

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

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358 views

1 answer

Cannot stop a docker container

I am very new to docker. I am following a tutorial on it. I can successfully build and run my docker ... https://stackoverflow.com/questions/65830921/cannot-stop-a-docker-container...

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

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221 views

1 answer

java - Jersey Rest Web Service with POJO Mapping remove fields with null values from JSON String [SOLVED]

I have a Jersey Rest Web Service and I would like to send json response removing all fields with null values ... service-with-pojo-mapping-remove-fields-with-null-values-from-js...

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

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197 views

1 answer

excel - This VLookup code does not activate when i click on fill details button

Please help here The VLookup does not work when I use the code in a userform but does in my module?? I have ... -vlookup-code-does-not-activate-when-i-click-on-fill-details-button...

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

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93 views

1 answer

python - How to force a function output to be bool

In the following how can I make sure the function is always outputting 'field_bool' as a bool and not anything ... questions/65830762/how-to-force-a-function-output-to-be-bool...

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

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1.3k views

1 answer

reporting services - SSRS report arranging rows to columns

I need to generate this kind of (please see the image) report in SSRS, and I wrote below 2 SQL's ... ://stackoverflow.com/questions/65830747/ssrs-report-arranging-rows-to-columns...

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

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165 views

1 answer

javascript - Sending Discord embeds with repeated pattern but different content more optimally

I'm hosting a Discord Bot which prints out advice against each characters in a game (it responds with ... -discord-embeds-with-repeated-pattern-but-different-content-more-optimall...

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

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845 views

1 answer

Error executing task write() argument must be str, not bytes | MySQL Workbench

After a clean install of Windows 10 when I started to use MySQL workbench I have this error when I try to ... -executing-task-write-argument-must-be-str-not-bytes-mysql-workbench...

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

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290 views

1 answer

Pubmed API returns less results than web interface

I'm trying to access Pubmed results via R using their API, but I consistently get fewer results than what ... /questions/65830663/pubmed-api-returns-less-results-than-web-interface...

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

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220 views

1 answer

python - Can we filter out records with z-score <-3 or >3, if data type is 'timestamp'?

I'm trying to kick out any/all records with a z-score +- 3. I'm testing the code below. from scipy import stats ... -out-records-with-z-score-3-or-3-if-data-type-is-timestamp...

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

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131 views

1 answer

c++ - Suppress compiler warning

C++ how to suppress this warning message when compiling? Warning: regen.cpp:531:30: warning: 'void* ... from:https://stackoverflow.com/questions/65831640/suppress-compiler-warning...

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

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958 views

1 answer

directory - Counting directories

Let's say I have a directory that looks like this: [root@server mysql]# ls user1_database1 ... from:https://stackoverflow.com/questions/65831504/counting-directories...

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

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