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Getting the current page
...ewController: UIScrollViewDelegate {
func scrollViewDidEndDecelerating(_ scrollView: UIScrollView) {
let width = scrollView.frame.width
let page = Int(round(scrollView.contentOffset.x/width))
print("CurrentPage:\(page)")
}
}
...
What does @: (at symbol colon) mean in a Makefile?
...nd nothing gets done.
For example (from Linux's scripts/Makefile.clean):
__clean: $(subdir-ymn)
ifneq ($(strip $(__clean-files)),)
+$(call cmd,clean)
endif
ifneq ($(strip $(__clean-dirs)),)
+$(call cmd,cleandir)
endif
ifneq ($(strip $(clean-rule)),)
+$(clean-rule)
endif
@:
...
MongoDB mongorestore failure: locale::facet::_S_create_c_locale name not valid
...cale-gen" was not installed and it turned out all I had to do is set the LC_ALL environment variable.
so the following command fixed it:
export LC_ALL="en_US.UTF-8"
hopefully it will help someone else...
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Flask-SQLAlchemy how to delete all rows in a single table
...User.query.delete() as query object as 'BaseQuery' object is not callable. Tested and verified.
– Shirish Kadam
Jul 13 '19 at 23:29
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Using boolean values in C
...
!a == !b is also sufficient for testing equality, non-zeros become zero, and zeros become one.
– ryanpattison
Jul 10 '15 at 14:30
5
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jQuery: checking if the value of a field is null (empty)
...ole.log('not empty');
}
<input id="person_data[document_type]" value="test" />
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How does one generate a random number in Apple's Swift language?
...swered Jun 3 '14 at 4:32
Catfish_ManCatfish_Man
38.6k1111 gold badges6363 silver badges8181 bronze badges
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Reshaping data.frame from wide to long format
... Sorry to necro this post - could someone explain to me why 3 works? I've tested it and it works, but I don't understand what dplyr is doing when it sees -c(var1, var2)...
– user5930691
Nov 16 '19 at 18:04
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How do I install cURL on cygwin?
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How to install the lynx .
– qg_java_17137
Aug 21 '18 at 7:11
Not working for me. It did some pr...
Localization of DisplayNameAttribute
... LocalizedDisplayNameAttribute : DisplayNameAttribute
{
readonly string _resourceName;
/// <summary>
/// Initializes a new instance of the <see cref="LocalizedDisplayNameAttribute"/> class.
/// </summary>
/// <param name="resourceName">Name of the resource.</pa...