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How to use background thread in swift?

...syntax without some modifications. Passing QOS_CLASS_BACKGROUND didn't actually work, instead use Int(QOS_CLASS_BACKGROUND.value). For more information see Apples documentation share | improve thi...
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Is there any git hook for pull?

...ot on there, it doesn't exist. That said, there is a post-merge hook, and all pulls include a merge, though not all merges are pulls. It's run after merges, and can't affect the outcome. It never gets executed if there were conflicts; you'd have to pick that up with the post-commit hook if it reall...
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Regex to check whether a string contains only numbers [duplicate]

... This one will allow also for signed and float numbers or empty string: var reg = /^-?\d*\.?\d*$/ If you don't want allow to empty string use this one: var reg = /^-?\d+\.?\d*$/ ...
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PyPy — How can it possibly beat CPython?

... an object can save you the need to do multiple pointer dereferences to finally arrive at the method you want to call. Q2. Which Python implementation was used to implement PyPy? The PyPy interpreter is implemented in RPython which is a statically typed subset of Python (the language and not the ...
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Maximum single-sell profit

...oblem in each subarray, then combining the two together. Turns out we actually can do this, and can do so efficiently! The intuition is as follows. If we have a single day, the best option is to buy on that day and then sell it back on the same day for no profit. Otherwise, split the array into ...
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Amazon S3 CORS (Cross-Origin Resource Sharing) and Firefox cross-domain font loading

...irefox not loading font from different origin than the current webpage. Usually, the issue arise when the fonts are served on CDNs. ...
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Get list of all tables in Oracle?

How do I query an Oracle database to display the names of all tables in it? 23 Answers ...
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How to prevent long words from breaking my div?

...tc), you'll need overflow to make it not destroy the layout/design. So by all means use another method (or a combination of them) but remember to add overflow too so you cover all browsers. Edit 2 (to address your comment below): Start off using the CSS overflow property isn't perfect but it stop...
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PHP function to make slug (URL string)

...aprint") will return "EFI" and leak a warning. – Kendall Hopkins Feb 14 '12 at 2:12 2 @Maerlyn an...
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What are the use(s) for tags in Go?

... A tag for a field allows you to attach meta-information to the field which can be acquired using reflection. Usually it is used to provide transformation info on how a struct field is encoded to or decoded from another format (or stored/retrie...