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Using a dispatch_once singleton model in Swift
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Should init be also be declared private to guarantee one and only one instance of the object will ever exist throughout the app's lifetime?
– Andrew
May 26 '15 at 21:53
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How to check if an element is in an array
...de that looped and looped trying to see if a list already had an item with one of it's fields containing a string value. It's one line in Swift, using a filter on that field.
– Maury Markowitz
Mar 8 '15 at 14:39
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How to remove/delete a large file from commit history in Git repository?
...n the next commit, cb14efd. Using the technique described in the aforementioned blog post, the command to execute is:
git filter-branch --prune-empty -d /dev/shm/scratch \
--index-filter "git rm --cached -f --ignore-unmatch oops.iso" \
--tag-name-filter cat -- --all
Options:
--prune-empty r...
My Understanding of HTTP Polling, Long Polling, HTTP Streaming and WebSockets
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There are more differences than the ones you have identified.
Duplex/directional:
Uni-directional: HTTP poll, long poll, streaming.
Bi-direcitonal: WebSockets, plugin networking
In order of increasing latency (approximate):
WebSockets
Plugin networking
H...
Redirect all to index.php using htaccess
....php?path=$1 [NC,L,QSA]
At the moment you're just matching on . which is one instance of any character, you need at least .* to match any number of instances of any character.
The $_GET['path'] variable will contain the fake directory structure, so /mvc/module/test for instance, which you can the...
android fragment- How to save states of views in a fragment when another fragment is pushed on top o
...responding activity is also shutting down.
– Martin Konecny
Aug 30 '14 at 4:01
17
onSaveInstanceS...
Placing border inside of div and not on its edge
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Only flaw with this one is you MUST declare a height for it to work, without a height the border still sits outside the block and affects rendering (i.e. vertical rhythm).
– jerclarke
Oct 21 '13 at 13:30
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Last non-empty cell in a column
Does anyone know the formula to find the value of the last non-empty cell in a column, in Microsoft Excel?
23 Answers
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How to write to a file, using the logging Python module?
... question, feel free to look at the title of the question I asked. I have gone over the link you provided and it was helpful. I have copied the code you gave me and was I wrong to assume I would be able to use logger.info("message") and logger.warning("message") successfully? I was able to write to ...
Handling an empty UITableView. Print a friendly message
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One disadvantage is that if the table view is pulled down the message stays on its position. I'd rather like to have like in the app store app under updates. Here the empty message goes with the scrolling behavior ...
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