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Why can't yield return appear inside a try block with a catch?
... 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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How to write LDAP query to test if user is member of a group?
...hem back in again). If you enabled the overlay to start with, when the database was empty then you should be OK.
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What is the purpose of willSet and didSet in Swift?
...ws conditional setting of an actual stored property
//True model data
var _test : Int = 0
var test : Int {
get {
return _test
}
set (aNewValue) {
//I've contrived some condition on which this property can be set
if (aNewValue != test) {
_test = aNewV...
Iterate through object properties
...lly part of the object. These additional properties are inherited from the base object class, but are still properties of obj.
hasOwnProperty simply checks to see if this is a property specific to this class, and not one inherited from the base class.
It's also possible to call hasOwnProperty th...
Get all related Django model objects
...his gives you the property names for all related objects:
links = [rel.get_accessor_name() for rel in a._meta.get_all_related_objects()]
You can then use something like this to get all related objects:
for link in links:
objects = getattr(a, link).all()
for object in objects:
# d...
Should a function have only one return statement?
...
64
+1 for the nuance of "minimize" but not prohibit multiple returns.
– Raedwald
Mar 9 '11 at 9:34
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Create singleton using GCD's dispatch_once in Objective-C
...er here: instancetype
+ (instancetype)sharedInstance
{
static dispatch_once_t once;
static id sharedInstance;
dispatch_once(&once, ^
{
sharedInstance = [self new];
});
return sharedInstance;
}
+ (Class*)sharedInstance
{
static dispatch_once_t once;
...
Are custom elements valid HTML5?
...
jessegavinjessegavin
64.2k2626 gold badges135135 silver badges162162 bronze badges
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What's the best way to parse command line arguments? [closed]
...ter on.
Here's a typical line to add an option to your parser:
parser.add_option('-q', '--query',
action="store", dest="query",
help="query string", default="spam")
It pretty much speaks for itself; at processing time, it will accept -q or --query as options, store the ar...
Java 8: performance of Streams vs Collections
... 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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