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How can I add a boolean value to a NSDictionary?
...this:
NSMutableDictionary *dic = [[NSMutableDictionary alloc] init];
[dic setObject:[NSNumber numberWithBool:TRUE] forKey:@"Pratik"];
[dic setObject:[NSNumber numberWithBool:FALSE] forKey:@"Sachin"];
if ([dic[@"Pratik"] boolValue])
{
NSLog(@"Boolean is TRUE for 'Pratik'");
}
else
{
NSLog(...
What events does an fire when it's value is changed?
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Why is Cache-Control attribute sent in request header (client to server)?
...
In addition to the above answer,
There might be a setup where cache chaining is implemented. In that case if the request comes to first cache where it is not satisfied, it might go to further chained cache.
Thus in order to get the response always from the server we include...
scopes with lambda and arguments in Rails 4 style?
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How do I use the includes method in lodash to check if an object is in the collection?
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No secret option provided to Rack::Session::Cookie warning?
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What's the difference between RouteLink and ActionLink in ASP.NET MVC?
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Python creating a dictionary of lists
...
You can use setdefault:
d = dict()
a = ['1', '2']
for i in a:
for j in range(int(i), int(i) + 2):
d.setdefault(j, []).append(i)
print d # prints {1: ['1'], 2: ['1', '2'], 3: ['2']}
The rather oddly-named setdefault func...
jQuery selector for inputs with square brackets in the name attribute
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Executing a command stored in a variable from PowerShell
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