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What is the difference between a map and a dictionary?
... terms ("Object" in Javascript, "Hash" in Ruby, "Table" in Lua), but those all have separate meanings in programming too, so I'd avoid them.
See here for more info.
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Storing money in a decimal column - what precision and scale?
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If you are looking for a one-size-fits-all, I'd suggest DECIMAL(19, 4) is a popular choice (a quick Google bears this out). I think this originates from the old VBA/Access/Jet Currency data type, being the first fixed point decimal type in the language; Decimal on...
What is a faster alternative to Python's http.server (or SimpleHTTPServer)?
... for concurrent handling of requests, instead of serialising requests.
Installation
Install node.js if you haven't already. Then use the node package manager (npm) to install the package, using the -g option to install globally. If you're on Windows you'll need a prompt with administrator permissio...
When should I use Inline vs. External Javascript?
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At the time this answer was originally posted (2008), the rule was simple: All script should be external. Both for maintenance and performance.
(Why performance? Because if the code is separate, it can easier be cached by browsers.)
JavaScript doesn't belon...
Chrome's remote debugging (USB debugging) not working for Samsung Galaxy S3 running android 4.3
...DK Tools Only" section) and unzip the content.
Run SDK Manager.exe and install Android SDK platform tools
Open up the Command prompt (simply by pressing the windows button and type in cmd.exe)
Enter the path with ex:
cd c:/downloads/sdk/platform-tools
Open ADB by typing in adb.exe
Run the following ...
Keyboard shortcut to comment lines in Sublime Text 3
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It seems a bug: http://www.sublimetext.com/forum/viewtopic.php?f=3&t=11157&start=0
As a workaround, go to Preferences->Key Bindings - User and add these keybindings (if you're using Linux):
{ "keys": ["ctrl+7"], "command": "toggle_comment", "args": { "block": false } },
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OS X Terminal Colors [closed]
...;31m\]\u\[\e[0m\]@\[\e[0;32m\]\h\[\e[0m\]:\[\e[0;34m\]\w\[\e[0m\]\$ '
For all my SSH accounts online I make sure to put the hostname in red, to distinguish if I'm in a local or remote terminal. Just edit the .bash_profile file in your home dir on the server.. If there is no .bash_profile file on ...
How to force HTTPS using a web.config file
...round Google and StackOverflow trying to find a solution to this, but they all seem to relate to ASP.NET etc.
9 Answers
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How to create id with AUTO_INCREMENT on Oracle?
...NCREMENT by 1),
c2 VARCHAR2(10)
);
Alternatively, Oracle 12 also allows to use a sequence as a default value:
CREATE SEQUENCE dept_seq START WITH 1;
CREATE TABLE departments (
ID NUMBER(10) DEFAULT dept_seq.nextval NOT NULL,
DESCRIPTION VARCHAR2(50) NOT NULL);
ALTER T...
Exotic architectures the standards committees care about
...vers
offering backward compatibility for people who have not yet migrated all their Univac software.
Key points:
36-bit words
CHAR_BIT == 9
one's complement
72-bit non-IEEE floating point
separate address space for code and data
word-addressed
no dedicated stack pointer
Don't know if they offe...