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Creating Multifield Indexes in Mongoose / MongoDB
...'m trying to find documentation, to no avail, on how to create multi-field indexes in Mongoosejs. In particular I have two fields that need to be indexed and unique. What is an example mongoose schema that indexes two fields together?
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Get value of dynamically chosen class constant in PHP
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$id = constant("ThingIDs::$thing");
http://php.net/manual/en/function.constant.php
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C# Sortable collection which allows duplicate keys
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Yes thats right, Shachwat! You cannot use Remove(key) or IndexOfKey(key), because the comparer never returns 0 to signal key equality. But you might RemoveAt(index) to delete items if you have their index.
– Knasterbax
Jun 23 '14 at 11:19
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Copy/duplicate database without using mysqldump
...you do end up doing an INSERT INTO SELECT, be sure to temporarily turn off indexes with ALTER TABLE x DISABLE KEYS!
EDIT Maatkit also has some scripts that may be helpful for syncing data. It may not be faster, but you could probably run their syncing scripts on live data without much locking.
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How to write to an existing excel file without overwriting data (using pandas)?
... if truncate_sheet and sheet_name in writer.book.sheetnames:
# index of [sheet_name] sheet
idx = writer.book.sheetnames.index(sheet_name)
# remove [sheet_name]
writer.book.remove(writer.book.worksheets[idx])
# create an empty sheet [sheet_n...
Should I impose a maximum length on passwords?
...ow discouraged by OWASP Authentication Cheat Sheet
https://www.owasp.org/index.php/Authentication_Cheat_Sheet
Citing the whole paragraph:
Longer passwords provide a greater combination of characters and consequently make it more difficult for an attacker to guess.
Minimum length of the p...
increment date by one month
...2010.12.11");
$final = date("Y-m-d", strtotime("+1 month", $time));
// Finally you will have the date you're looking for.
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What's the valid way to include an image with no src?
...e //:0 o the src untill the image is actually fetched. This was making the index action of my homecontroller to be called twice. So beware.
– jpgrassi
Sep 11 '14 at 15:04
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Can I get Memcached running on a Windows (x64) 64bit environment?
...wnload. Now they have made it part of their commercial No-SQL DB offering called Membase. It can be configured to run in Memcached-only mode (i.e. without persistence) and there's a 100% free version too. Check it out here: http://www.membase.org/downloads
UPDATE 3: MemBase has slept with CouchDB a...
How to get innerHTML of DOMNode?
What function do you use to get innerHTML of a given DOMNode in the PHP DOM implementation? Can someone give reliable solution?
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