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How would you count occurrences of a string (actually a char) within a string?
...
If you're using .NET 3.5 you can do this in a one-liner with LINQ:
int count = source.Count(f => f == '/');
If you don't want to use LINQ you can do it with:
int count = source.Split('/').Length - 1;
You might be s...
Difference between getDefaultSharedPreferences and getSharedPreferences
What is the difference between getDefaultSharedPreferences and getSharedPreferences in Android? Can anyone please explain?
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Difference between Java Enumeration and Iterator
What is the exact difference between these two interfaces? Does Enumeration have benefits over using Iterator ? If anyone could elaborate, a reference article would be appreciated.
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Cannot overwrite model once compiled Mongoose
...one: req.body.phone
, _enabled:false
});
new_user.save(function(err){
if(err) console.log(err);
});
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When do you use map vs flatMap in RxJava?
....subscribe(userInfo -> {
// get user info and you update ui now
});
As you see, in function flatMap applies, at first I get user id from Response then fetch user info. When two requests are finished, we can do our job such as updating UI or save data into database.
However...
Installing PIL with pip
... of PIL.
https://pypi.python.org/pypi/Pillow/2.2.1
pip install Pillow
If you have both Pythons installed and want to install this for Python3:
python3 -m pip install Pillow
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Are there strongly-typed collections in Objective-C?
...rics' to Objective-C. In Objective-C, they will generate compiler warnings if there is a type mismatch.
NSArray<NSString*>* arr = @[@"str"];
NSString* string = [arr objectAtIndex:0];
NSNumber* number = [arr objectAtIndex:0]; // Warning: Incompatible pointer types initializing 'NSNumber *' wi...
Defining an array of anonymous objects in CoffeeScript
...h the last item ! See my example below..
– Dean Radcliffe
Oct 11 '13 at 19:41
1
@DeanRadcliffe It...
MySQL OPTIMIZE all tables?
...ocked while OPTIMIZE is being performed, which can take a substantial time if the tables hold lots of data. So, during the time a table is being OPTIMIZE'd, no new records can be inserted or deleted. Generally, OPTIMIZE'ing all tables of a production system cannot be considered as a trivial operatio...
Handle ModelState Validation in ASP.NET Web API
... {
var modelState = actionContext.ModelState;
if (!modelState.IsValid)
actionContext.Response = actionContext.Request
.CreateErrorResponse(HttpStatusCode.BadRequest, modelState);
}
}
}
...