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How to write log to file
...into a file as well. Hope this helps someone.
f, err := os.OpenFile("/tmp/orders.log", os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666)
if err != nil {
log.Fatalf("error opening file: %v", err)
}
defer f.Close()
wrt := io.MultiWriter(os.Stdout, f)
log.SetOutput(wrt)
log.Println(" Orders API Called")
...
How to delete an old/unused Data Model Version in Xcode
...7.xcdatamodel". I wanted to delete 38. On import, it was pulled in lexical order, meaning "MY_APP 10.xcdatamodel" was first, and selected as the default. Not ideal in my case.
– Mike
Nov 16 '12 at 5:46
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Detect changes in the DOM
...to be the same.
Maybe if you're only interested in the elements and their order (as you mentioned in your question), a getElementsByTagName("*") can work. This will fire automatically if you add an element, remove an element, replace elements or change the structure of the document.
I wrote a pro...
What are the main uses of yield(), and how does it differ from join() and interrupt()?
... that by the end each 1 was replaced with its sequence number in row major order:
1 0 0 0
2 3 0 0
0 0 0 4
0 0 5 6
0 0 7 8
In the next step, each value is replaced by the minimum between itself and its neighbours' values:
1 0 0 0
1 1 0 0
0 0 0 4
0 0 4 4
0 0 4 4
We can now easily determine that ...
Overflow to left instead of right
... This property is not meant for alignment, and it will change the order of words inside as well. F.e. 14:00–15:00 will turn to 15:00–14:00 in Firefox.
– Andy
Mar 21 '16 at 14:58
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Align items in a stack panel?
...
Note however that this changes (reverses) the order of the controls in the StackPanel.
– rumblefx0
Jan 28 '14 at 7:36
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What is the (best) way to manage permissions for Docker shared volumes?
...ntainer is used to do the backup via tar, and it too uses -volumes-from in order to mount the volume. So I think the key point to grok is: rather than thinking about how to get access to the data on the host with the proper permissions, think about how to do whatever you need -- backups, browsing, e...
What does “atomic” mean in programming?
...aking the operation atomic consists in using synchronization mechanisms in order to make sure that the operation is seen, from any other thread, as a single, atomic (i.e. not splittable in parts), operation. That means that any other thread, once the operation is made atomic, will either see the val...
HashMap get/put complexity
...e.
In JDK 8, HashMap has been tweaked so that if keys can be compared for ordering, then any densely-populated bucket is implemented as a tree, so that even if there are lots of entries with the same hash code, the complexity is O(log n). That can cause issues if you have a key type where equality ...
Difference between dispatch_async and dispatch_sync on serial queue?
...
I think your get wrong order. first example is async which is the non-blocking version
– Bryan Chen
Nov 6 '13 at 21:07
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