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Storing money in a decimal column - what precision and scale?
...or domain expert about accounting rules which may be applicable: GAAP, EU, etc. I vaguely recall some EU intra-state transfers with explicit rules for rounding to five decimal places, therefore using DECIMAL(p, 6) for storage. Accountants generally seem to favour four decimal places.
PS Avoid SQL...
Why fragments, and when to use fragments instead of activities?
...tures like the ActionBar, with tabs, overflow, split action bar, viewpager etc.
Bonus 2
The best way to communicate between fragments are intents. When you press something in a Fragment you would typically call StartActivity() with data on it. The intent is passed on to all fragments of the a...
Reducing Django Memory Usage. Low hanging fruit?
...how one gets cookie based authentication for django users accessing static files...
– Andy Baker
Feb 3 '09 at 11:48
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How to install psycopg2 with “pip” on Python?
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@I159 - The *-dev packages contain the files necessary to compile an application from source that uses the functions provided by the library (as psycopg2 uses the libpq and python libraries, among others).
– joar
Dec 19 '11 a...
Should import statements always be at the top of a module?
...e them into a function if your profiling shows that would help (you did profile to see where best to improve performance, right??)
The best reasons I've seen to perform lazy imports are:
Optional library support. If your code has multiple paths that use different libraries, don't break if an op...
Java packages com and org
... by non-profit organizations or for open source code, such as apache, w3c, etc.
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How to declare a type as nullable in TypeScript?
...ave like a built in Typescript type, define it in a global.d.ts definition file in the root source folder. This path worked for me: /src/global.d.ts
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Subprocess changing directory
...nk I give up. If I want to change the current working directory and open a file, I have no executable. It is a completely different situation. BTW: There is no need to use an absolute path if I use cwd= as intended. I can as well do subprocess.call(['bin/ls', '-l'], cwd='/').
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What is Cache-Control: private?
...ed: Tue, 16 Oct 2012 03:13:38 GMT
Because the browser knows the date the file was modified, it can perform a conditional request. It will ask the server for the file, but instruct the server to only send the file if it has been modified since 2012/10/16 3:13:38:
GET / HTTP/1.1
If-Modified-Since: ...
Difference between a SOAP message and a WSDL?
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A WSDL (Web Service Definition Language) is a meta-data file that describes the web service.
Things like operation name, parameters etc.
The soap messages are the actual payloads
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