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Naming of ID columns in database tables
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Kevin, same as you. for example: user_id, role_id for PKey, and role_user_id for FKey. It is good on a large scale project. Because if all ID field are named to "id", it is too confuse. But i think it is personal preference, somebody think only use "id" are ...
detect key press in python?
... p for pause and s for stop), and I would not like it to be something like raw_input that waits for the user's input before continuing execution. Anyone know how to do this in a while loop?
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Single quotes vs. double quotes in Python [closed]
...tain quotes, or if I forget. I use triple double quotes for docstrings and raw string literals for regular expressions even if they aren't needed.
For example:
LIGHT_MESSAGES = {
'English': "There are %(number_of_lights)s lights.",
'Pirate': "Arr! Thar be %(number_of_lights)s lights."
}
...
Is there a way to instantiate objects from a string holding their class name?
... //Creates the derived type associated with key. Throws std::out_of_range if key not found.
BasePointerType Create(const KeyType& key BOOST_PP_ENUM_TRAILING_BINARY_PARAMS(N,const T,& a)) const
{
return m_creatorMap.at(key)(BOOST_PP_ENUM_PARAMS(N...
How can I build a small operating system on an old desktop computer? [closed]
...ystem yet ... not even partition table parsing; so we'd just deal with raw ranges of blocks on the disk at first).
At that point your boot loader should be able to pull new code across the serial line, dump it into a partition (yes, implement partition table handling of some sort ... whether it con...
Sequelize.js: how to use migrations and sync
...
email: 'bob@bob.com'
.success (user) ->
console.log 'added user'
user_id = user.id
myTable = [
field1: 'womp'
field2: 'rat'
subModel: [
field1: 'womp'
,
field1: 'rat'
]
]
Remember to take your sync() out of index in your models or it will overwrite w...
How to remove convexity defects in a Sudoku square?
...justed, {fnX @@ Reverse[#], fnY @@ Reverse[#]} &, {9*50, 9*50},
PlotRange -> {{1, 10}, {1, 10}}, DataRange -> Full]
All of the operations are basic image processing function, so this should be possible in OpenCV, too. The spline-based image transformation might be harder, but I don'...
Getting thread id of current method call
... number):
+ (NSString *)getPrettyCurrentThreadDescription {
NSString *raw = [NSString stringWithFormat:@"%@", [NSThread currentThread]];
NSArray *firstSplit = [raw componentsSeparatedByCharactersInSet:[NSCharacterSet characterSetWithCharactersInString:@"{"]];
if ([firstSplit count] >...
Maven: best way of linking custom external JAR to my project?
...ame>/mvn-repo/
Add Repository in pom.xml
(Make note that the full path raw file will be a bit different than the repo name)
<repository>
<id>project-common</id>
<name>Project Common</name>
<url>https://github.com/<user_name>/mvn-repo/raw/mas...
What does Python's eval() do?
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In Python 2.x input(...) is equivalent to eval(raw_input(...)), in Python 3.x raw_input was renamed input, which I suspect lead to your confusion (you were probably looking at the documentation for input in Python 2.x). Additionally, eval(input(...)) would work fine in Py...