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Performance of Find() vs. FirstOrDefault() [duplicate]

...our data object an anonmyous data item just for compilation List<\u003C\u003Ef__AnonymousType0<string>> source = Enumerable.ToList(Enumerable.Select(Enumerable.Range(0, 1000000), i => { var local_0 = new { Name = Guid.NewGuid().ToString() }; re...
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Detect if the app was launched/opened from a push notification

... 190 See This code : - (void)application:(UIApplication *)application didReceiveRemoteNotification:(...
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string.Join on a List or other type

... The best way is to upgrade to .NET 4.0 where there is an overload that does what you want: String.Join<T>(String, IEnumerable<T>) If you can't upgrade, you can achieve the same effect using Select and ToArray. return string.Join(",", a.Selec...
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MISCONF Redis is configured to save RDB snapshots

... 200 In case you encounter the error and some important data cannot be discarded on the running redi...
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Meaning of @classmethod and @staticmethod for beginner? [duplicate]

...rameters at all. Example class Date(object): def __init__(self, day=0, month=0, year=0): self.day = day self.month = month self.year = year @classmethod def from_string(cls, date_as_string): day, month, year = map(int, date_as_string.split('-')) ...
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How do I make Git ignore file mode (chmod) changes?

... here 2,3302222 silver badges2626 bronze badges answered Oct 16 '09 at 21:53 Greg HewgillGreg Hewgill ...
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Python + Django page redirect

... 10 Answers 10 Active ...
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python NameError: global name '__file__' is not defined

... NileshNilesh 1,92311 gold badge99 silver badges2020 bronze badges 8 ...
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What is the best way to compare floats for almost-equality in Python?

...lent function is given in the documentation. def isclose(a, b, rel_tol=1e-09, abs_tol=0.0): return abs(a-b) <= max(rel_tol * max(abs(a), abs(b)), abs_tol) rel_tol is a relative tolerance, it is multiplied by the greater of the magnitudes of the two arguments; as the values get larger, so d...
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Find the closest ancestor element that has a specific class

... answered Nov 20 '14 at 10:43 the8472the8472 32.9k44 gold badges4747 silver badges9696 bronze badges ...