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ASP.NET “special” tags

...y (updateable) binding through Eval, Xpath, Bind, or expressions (e.g. the selected value of a drop-down control). Binds expressions to data-bound control properties through the control's attribute markup, or as a separate tag which generates a DataBoundLiteralControl instance with the value on its ...
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How do I change the color of the text in a UIPickerView under iOS 7?

...IColor whiteColor]}]; return attString; } If you want to change the selection bar colors as well, I found that I had to add 2 separate UIViews to the view containing the UIPickerView, spaced 35 pts apart for a picker height of 180. Swift 3: func pickerView(_ pickerView: UIPickerView, attrib...
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How to remove elements from a generic list while iterating over it?

... Select the elements you do want rather than trying to remove the elements you don't want. This is so much easier (and generally more efficient too) than removing elements. var newSequence = (from el in list ...
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Union Vs Concat in Linq

...ence is not changed. If you will override Equals and GetHashCode (used to select distinct items), then items will not be compared by reference: class X { public int ID { get; set; } public override bool Equals(object obj) { X x = obj as X; if (x == null) re...
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How to show Page Loading div until the page has finished loading?

...eforeSend: function(xhr){ <---- use this option here $('.select_element_you_want_to_load_into').html('Loading...'); }, success: function(msg){ $('.select_element_you_want_to_load_into').html(msg); } }); EDIT I see, in that case, using one of the 'display:block'/'displ...
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How to configure socket connect timeout

...ame problem by making the socket non-blocking and then putting the fd in a select/poll loop with a timeout value equal to the amount of time we are willing to wait for the connect to succeed. I found this for Visual C++ and the explanation there also bends towards the select/poll mechanism I expla...
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targetContentOffsetForProposedContentOffset:withScrollingVelocity without subclassing UICollectionVi

...en in interface builder I changed the collection view layout to Custom and selected my flow layout subclass. Because you're doing it this way you can't specify items sizes, etc... in IB so in MyCollectionViewFlowLayout.m I have this... - (void)awakeFromNib { self.itemSize = CGSizeMake(75.0, 75...
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How to configure PostgreSQL to accept all incoming connections

...s you have to reload the configuration. One way to do this is execute this SELECT as a superuser. SELECT pg_reload_conf(); share | improve this answer | follow ...
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Verify if a point is Land or Water in Google Maps

...ue&with_field_names=true You have to register and supply your key and selected layer number. You can search all their repository of available layers. Most of the layers are only regional, but you can find global also, like the World Coastline: When you select a layer, you click on the "Service...
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How to query nested objects?

...ndividual fields in the subdocument: Equality matches within subdocuments select documents if the subdocument matches exactly the specified subdocument, including the field order. In the following example, the query matches all documents where the value of the field producer is a subdocument tha...