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Big O, how do you calculate/approximate it?
... // 3
}
}
The first thing you needed to be asked is the order of execution of foo(). While the usual is to be O(1), you need to ask your professors about it. O(1) means (almost, mostly) constant C, independent of the size N.
The for statement on the sentence number one is tricky....
Can I have multiple Xcode versions installed?
...lose Xcode if running
Rename /Applications/Xcode.app to /Applications/Xcode_6.x.app
Enter the admin password when prompted
Double click the DMG file of your required, pre-downloaded Xcode and install it
Once installed it, before running it, change the new
/Applications/Xcode.app that was just instal...
How to check whether a variable is a class or not?
...ou couldn't perform the check in the first place.
– a_guest
Dec 16 '16 at 12:42
...
What are the primary differences between Haskell and F#? [closed]
...apply code transformations more freely when it isn't bound to preserve the order of (unknown) side effects. In "encouraged purity" languages you write mostly similar code so the same optimizations would be applicable, only they might invalidate side effects (which aren't there, but the compiler can'...
XML attribute vs XML element
...ffline application that will then create a second XML file to pass back in order to update some of our data. During the process we have been discussing with the team of the other application about the structure of the XML file.
...
Super-simple example of C# observer/observable with delegates
...Here's a simple example:
public class ObservableClass
{
private Int32 _Value;
public Int32 Value
{
get { return _Value; }
set
{
if (_Value != value)
{
_Value = value;
OnValueChanged();
}
...
Check if a folder exist in a directory and create them using C#
How can I check if directory C:/ contains a folder named MP_Upload , and if it does not exist, create the folder automatically?
...
Regular expressions in an Objective-C Cocoa application
...ar expressions for substring searches, e.g. [myString rangeOfString:@"regex_here" options:NSRegularExpressionSearch]
– Nestor
Apr 28 '11 at 15:23
1
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Constants in Objective-C
...
You should create a header file like
// Constants.h
FOUNDATION_EXPORT NSString *const MyFirstConstant;
FOUNDATION_EXPORT NSString *const MySecondConstant;
//etc.
(you can use extern instead of FOUNDATION_EXPORT if your code will not be used in mixed C/C++ environments or on other plat...
How to check an Android device is HDPI screen or MDPI screen?
... Density values described at: developer.android.com/guide/practices/screens_support.html
– esilver
Jan 21 '14 at 21:52
1
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