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JavaScript Form Submit - Confirm or Cancel Submission Dialog Box
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Samuel Liew♦Samuel Liew
64.4k4040 gold badges132132 silver badges216216 bronze badges
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How can I represent an 'Enum' in Python?
...CAT = 2
x = Animal.DOG
In Python 3.4 (PEP 435), you can make Enum the base class. This gets you a little bit of extra functionality, described in the PEP. For example, enum members are distinct from integers, and they are composed of a name and a value.
class Animal(Enum):
DOG = 1
C...
How do I change the font size of a UILabel in Swift?
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YannStephYannSteph
9,04033 gold badges4646 silver badges4242 bronze badges
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Days between two dates? [duplicate]
...ents on other answers. This is how I would work out the difference in days based on 24 hours and calender days. the days attribute works well for 24 hours and the function works best for calendar checks.
from datetime import timedelta, datetime
def cal_days_diff(a,b):
A = a.replace(hour = 0, ...
node.js require all files in a folder?
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Base on @tbranyen's solution, I create an index.js file that load arbitrary javascripts under current folder as part of the exports.
// Load `*.js` under current directory as properties
// i.e., `User.js` will become `expo...
Gridview height gets cut
...sExpanded = false;
public ExpandableHeightGridView(Context context) : base(context)
{
}
public ExpandableHeightGridView(Context context, IAttributeSet attrs) : base(context, attrs)
{
}
public ExpandableHeightGridView(Context context, IAttributeS...
Syntax Error: Not a Chance
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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In which situations do we need to write the __autoreleasing ownership qualifier under ARC?
...porary variable, set at __autoreleasing. So:
NSError * error = nil;
[ database save: &error ];
Will be transformed to:
NSError * __strong error = nil;
NSError * __autoreleasing tmpError = error;
[ database save: &tmpError ];
error = tmpError;
You may avoid this by declaring the error o...
SQL WHERE condition is not equal to?
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BrandonBrandon
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Use email address as primary key?
.... However, this does not matter if you simply retrieve a user from the database using the e-mail address. It does matter if you have complex queries with multiple joins.
If you store information about users in multiple tables, the foreign keys to the users table will be the e-mail address. That mea...