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What exactly is Arel in Rails 3.0?
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– Jörg W Mittag
Feb 19 '13 at 11:27
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show 2 more comments
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On delete cascade with doctrine2
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417
There are two kinds of cascades in Doctrine:
1) ORM level - uses cascade={"remove"} in the asso...
Call Go functions from C
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127
You can call Go code from C. it is a confusing proposition though.
The process is outlined in ...
Serializing an object as UTF-8 XML in .NET
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Jon HannaJon Hanna
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What's the difference between window.location= and window.location.replace()?
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edited Dec 29 '17 at 5:22
Dirty Penguin
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How to wait for all goroutines to finish without using time.Sleep?
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175
You can use sync.WaitGroup. Quoting the linked example:
package main
import (
"net/ht...
Does Typescript support the ?. operator? (And, what's it called?)
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Update: it is supported as of TypeScript 3.7 and called Optional chaining: https://www.typescriptlang.org/docs/handbook/release-notes/typescript-3-7.html#optional-chaining
I can't find any reference to it whatsoever in the TypeScript language specification.
As far a...
How to merge YAML arrays?
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- mkdir -p ~/.ssh
- chmod 700 ~/.ssh
- echo "$SSH_KNOWN_HOSTS" > ~/.ssh/known_hosts
- chmod 644 ~/.ssh/known_hosts
test:
image: python:3.7.3
stage: test
script:
- *pip_git
- pip install -q -r requirements_test.txt
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Batch file to delete files older than N days
I am looking for a way to delete all files older than 7 days in a batch file. I've searched around the web, and found some examples with hundreds of lines of code, and others that required installing extra command line utilities to accomplish the task.
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What is the purpose of AsQueryable()?
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67
There are a few main uses.
As mentioned in other answers, you can use it to mock a queryable d...