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How to delete files/subfolders in a specific directory at the command prompt in Windows
... "C:\Temp\*"
FOR /D %%p IN ("C:\Temp\*.*") DO rmdir "%%p" /s /q
Create a batch file (say, delete.bat) containing the above command. Go to the location where the delete.bat file is located and then run the command: delete.bat
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Images can't contain alpha channels or transparencies
...se export, select PNG, uncheck Alpha, and click Save. Preview also support batch export if you open all your images at once.
– Russell Ladd
Jan 7 '15 at 6:23
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Difference between onCreateView and onViewCreated in Fragment
...n will have already been started (i.e., sent over to the UI thread message queue).
– orangemako
Sep 20 '15 at 1:23
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Big-O summary for Java Collections Framework implementations? [closed]
...h is the table capacity
ConcurrentSkipListMap O(log n) O(log n) O(1)
Queue implementations:
offer peek poll size
PriorityQueue O(log n) O(1) O(log n) O(1)
ConcurrentLinkedQueue O(1) O(1) O(1) O(n)
ArrayBlockingQueue O(1) O(1) O(1) O(1)
L...
How to make a new List in Java
...rayList. If I'm only working with the the ends of a list, it's a deque (or queue) and I use the ArrayDeque implementation. The reason is that even though the array-based implementations might waste some memory on empty slots (when I can't predict the necessary capacity), for small collections this i...
Running karma after installation results in 'karma' is not recognized as an internal or external com
...s not recognized as an internal or external command, operable
program or batch file.
If the above mentioned solution does not work, than
The cause of issue is previous version of nodejs. So uninstall the previous version of nodejs and re-install the latest version. It will resolve your issue. As...
UILabel - auto-size label to fit text?
...ft i had to run this on main thread using dispatch_async(dispatch_get_main_queue(),{});
– Zeezer
Mar 24 '15 at 9:54
@Z...
What does “exited with code 9009” mean during this build?
...ave had the error 9009 when my post build event script was trying to run a batch file that did not exist in the path specified.
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How to run a PowerShell script without displaying a window?
... Note that this option requires the user to have the "Log on as Batch Job" privilege
– gb96
Sep 11 '19 at 2:28
1
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Core Data: Quickest way to delete all instances of an entity
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iOS 9 and later:
iOS 9 added a new class called NSBatchDeleteRequest that allows you to easily delete objects matching a predicate without having to load them all in to memory. Here's how you'd use it:
Swift 5
let fetchRequest: NSFetchRequest<NSFetchRequestResult> = ...