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How to remove duplicate values from a multi-dimensional array in PHP
...y('b' => '1', 'a' => '1')). This option will fail for arrays used as sets or (hash)maps.
– Andras Gyomrey
Oct 19 '16 at 14:49
...
Check if list is empty in C# [closed]
...le and you'll see the System.NullReferenceException: Object reference not set to an instance of an object. using System; using System.Collections.Generic; public class Program { public static void Main() { List<string> stringList = null; if (stringList.Count == 0) { Console....
Can someone explain the HTML5 aria-* attribute?
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What does the “|” (single pipe) do in JavaScript?
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Where are Docker images stored on the host machine?
...his will be aufs but the RedHats went with devicemapper.
You can manually set the storage driver with the -s or --storage-driver= option to the Docker daemon.
/var/lib/docker/{driver-name} will contain the driver specific storage for contents of the images.
/var/lib/docker/graph/<id> now ...
Create a folder inside documents folder in iOS apps
...dingPathComponent:@"YourFolderName"];
NSError* theError = nil; //error setting
if (![fm createDirectoryAtURL:dirPath withIntermediateDirectories:YES
attributes:nil error:&theError])
{
NSLog(@"not created");
}
...
Is there a way to suppress warnings in Xcode?
... find (or create if you don't find one )the key : GCC_WARN_UNUSED_VARIABLE set it to NO.
EDIT-2
Example:
BOOL ok = YES;
NSAssert1(ok, @"Failed to calculate the first day the month based on %@", self);
the compiler shows unused variable warning for ok.
Solution:
BOOL ok = YES;
#pragma unus...
Nested classes' scope?
...ionship between the classes. You're better off not nesting. (You can still set a class attribute on Outer to Inner, if you want.)
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iOS / Android cross platform development [closed]
... this is probably the tool for you. You can also write 2D games using 3D assets--a fine example of this is indie game Max and the Magic Marker, a 2D physics-based side-scroller written in Unity. If you don't know it, I recommend checking it out (especially if there are any kids in your household). M...
How to convert list of key-value tuples into dictionary?
...("A",0),("B",3),("C",5),("A",9),("B",4)]
dic = {}
for i, j in tup:
dic.setdefault(i,[]).append(j)
print(dic)
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