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How to drop a database with Mongoose?
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Since all collections are in the hash mongoose.connection.collections, you might simply list them for ( collection in mongoose.connection.collections ) { mongoose.connection.collections[collection].drop } ... smth similar
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MySQL CONCAT returns NULL if any field contain NULL
...es: it returns the first non-NULL value parameter passed to it (or NULL if all parameters are NULL). By passing an empty string as the second parameter, you are guaranteeing it will not return NULL.
– Jo.
Mar 10 '17 at 17:03
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When to use inline function and when not to use it?
...at inline is a hint or request to compiler and its used to avoid function call overheads.
14 Answers
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SQL Server database backup restore on lower version
...R2 or
restore the backup you have on a SQL Server 2008 R2 instance, export all the data and import it on a SQL Server 2008 database.
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Is Dvorak typing appropriate for programming? [closed]
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There are Dvorak layouts specifically for programming: http://www.kaufmann.no/roland/dvorak/
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Can't install Ruby under Lion with RVM – GCC issues
... thank you!
– Florin
Feb 3 '12 at 3:32
I'd advise against rvm get head for other users. This pulls from the head of t...
How can I make a Python script standalone executable to run without ANY dependency?
...'m building a Python application and don't want to force my clients to install Python and modules.
19 Answers
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Date vs DateTime
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Unfortunately, not in the .Net BCL. Dates are usually represented as a DateTime object with the time set to midnight.
As you can guess, this means that you have all the attendant timezone issues around it, even though for a Date object you'd want absolutely no timezone han...
C++, Free-Store vs Heap
Dynamic allocations with new/delete are said to take place on the free-store , while malloc/free operations use the heap .
I'd like to know if there is an actual difference, in practice.
Do compilers make a distinction between the two terms? ( Free store and Heap , not new/malloc )
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Nginx缓存解决方案：SRCache - 更多技术 - 清泛网 - 专注C/C++及内核技术
...red.phoenix_status)
local key = ngx.var.arg_key
local index = ngx.crc32_long(key) % #phoenix["memcached"] + 1
local config = phoenix["memcached"][index]
local default = phoenix["memcached"]["default"]
local host = config["host"] or default["host"]
local port = config["p...