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Require returns an empty object
...ok.js before it required author.js will be in that object
After book.js is completely run through, the object author.js got from require('./book') will be the full book.js module object
For more info, here's the docs: http://nodejs.org/api/modules.html
If its possible to dynamically add that sche...
How to write UPDATE SQL with Table alias in SQL Server 2008?
... Mark Byers - Great Answer!! This syntax allows me to add a commented out Select statement, which allows me to test the update by doing the select first (highlight from the select down and execute): SET Q.TITLE = 'TEST' -- SELECT *
– user1636464
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Node.JS constant for platform-specific new line?
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9
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MongoDB atomic “findOrCreate”: findOne, insert if nonexistent, but do not update
... specify updates which should only happen when inserting documents.
This, combined with the upsert option, means you can use findAndModify to achieve an atomic findOrCreate-like operation.
db.collection.findAndModify({
query: { _id: "some potentially existing id" },
update: {
$setOnInsert:...
How to clone a case class instance and change just one field in Scala?
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case classcomes with a copy method that is dedicated exactly to this usage:
val newPersona = existingPersona.copy(sentMessages =
existingPersona.sentMessages + newMessage)
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Is there a recommended format for multi-line imports?
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Personally I go with parentheses when importing more than one component and sort them alphabetically. Like so:
from Tkinter import (
Button,
Canvas,
DISABLED,
END,
Entry,
Frame,
LEFT,
NORMAL,
RIDGE,
Text,
Tk,
)
This has the added advantage ...
error upon assigning Layout: BoxLayout can't be shared
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76
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vim repeat find next character 'x'
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The command to repeat an f is ; (semicolon); , (comma) reverses the direction of the search.
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