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Using an integer as a key in an associative array in JavaScript
...ys. JavaScript will convert the integer to a string. The following outputs 20, not undefined:
var test = {}
test[2300] = 20;
console.log(test["2300"]);
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How to get the nvidia driver version from the command line?
...-smi should tell you that:
bwood@mybox:~$ nvidia-smi
Mon Oct 29 12:30:02 2012
+------------------------------------------------------+
| NVIDIA-SMI 3.295.41 Driver Version: 295.41 |
|-------------------------------+--------------------...
Default text which won't be shown in drop-down list
...ption.selected = false;
– Oriol
Jan 20 '14 at 1:34
2
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How to get complete month name from DateTime
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answered Jul 20 '11 at 16:46
mservidiomservidio
11.6k77 gold badges5151 silver badges8080 bronze badges
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Re-open *scratch* buffer in Emacs?
...
201
GNU Emacs default bindings:
C-xb *scratch* RET
or, more verbosely
M-x switch-to-buff...
Array.Copy vs Buffer.BlockCopy
...hat both methods are roughly 3x faster than using Array.Clone(), and maybe 20x faster than copying it in a for loop.
– Ken Smith
Sep 20 '11 at 22:12
3
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Javascript: Round up to the next multiple of 5
...ike you would any other. For example,
roundToNearest5(21)
will return:
20
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How to estimate how much memory a Pandas' DataFrame will need?
...es each column occupies:
>>> df.memory_usage()
Row_ID 20906600
Household_ID 20906600
Vehicle 20906600
Calendar_Year 20906600
Model_Year 20906600
...
To include indexes, pass index=True.
So to get overall memory consumption:
>>> df.memory_usage...
What is a method group in C#?
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edited Feb 20 '15 at 2:44
ErikE
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How to create a MySQL hierarchical recursive query
...H [RECURSIVE] syntax for recursive queries (e.g. Postgres 8.4+, SQL Server 2005+, DB2, Oracle 11gR2+, SQLite 3.8.4+, Firebird 2.1+, H2, HyperSQL 2.1.0+, Teradata, MariaDB 10.2.2+). And as of version 8.0, also MySQL supports it. See the top of this answer for the syntax to use.
Some databases have a...