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What's the state of the art in email validation for Rails?
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looks like ###@domain.com will validate?
– cwd
Dec 2 '13 at 19:36
1
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Using git commit -a with vim
...sing Esc).
You close your file with :q while in the normal mode.
You can combine both these actions and do Esc:wqEnter to save the commit and quit vim.
As an alternate to the above, you can also press ZZ while in the normal mode, which will save the file and exit vim. This is also easier for some...
Embedded MongoDB when running integration tests
...s been changed in both the Mongo and Embedded MongoDB libraries).
package com.example.mongo;
import com.mongodb.BasicDBObject;
import com.mongodb.MongoClient;
import com.mongodb.client.MongoCollection;
import com.mongodb.client.MongoDatabase;
import de.flapdoodle.embed.mongo.MongodExecutable;
impo...
tinygrad：不到1000行代码的深度学习框架，天才黑客开源GitHub 2.3k+ stars...
...在GitHub上，而且收获了2.3K星：
项目地址：https://github.com/geohot/tinygrad
本质上说，tinygrad就是一个可微的Tensor库，但是对于训练一个简单的神经网络它是足够了，项目也给一个简单的case：
from tinygrad.tensor import Tensor
import tinyg...
How can I convert bigint (UNIX timestamp) to datetime in SQL Server?
...i-colon at the end of the first "DECLARE" line needs to be removed since a comma follows.
– Seth
Sep 17 '14 at 14:12
2
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Interop type cannot be embedded
... edited May 23 '17 at 12:10
Community♦
111 silver badge
answered Mar 20 '10 at 15:54
Jon SkeetJon Skeet
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Visually managing MongoDB documents and collections [closed]
... test documents. While I don't have too much trouble using the JSON-based command-line tools, it gets extremely tedious to have to keep searching for documents, copy-and-pasting OIDs, etc., especially from a command prompt window (ever tried to "mark" text that wraps multiple lines?)
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How to check if a variable is a dictionary in Python?
...implements that. (It's a bit ironic that you criticize @Alexander Ryzhov's comment for being too general but now raise a general case)
– cowbert
Jul 14 '18 at 16:17
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Database Design for Tagging
...ion" operation. This article covers relational division in concise and yet comprehendible way.
About performance: A bitmap-based approach intuitively sounds like it will suit the situation well. However, I'm not convinced it's a good idea to implement bitmap indexing "manually", like digiguru sugge...
check if jquery has been loaded, then load it if false
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