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Linq: What is the difference between Select and Where

The Select and Where methods are available in Linq. What should every developer know about these two methods? For example: when to use one over the other, any advantages of using one over the other, etc. ...
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Get the week start date and week end date from week number

...y other weird value to test it */ DECLARE @d DATETIME SET @d = GETDATE() SELECT @d ThatDate, DATEADD(dd, 0 - (@@DATEFIRST + 5 + DATEPART(dw, @d)) % 7, @d) Monday, DATEADD(dd, 6 - (@@DATEFIRST + 5 + DATEPART(dw, @d)) % 7, @d) Sunday ...
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How to get the selected index of a RadioGroup in Android

Is there an easy way to get the selected index of a RadioGroup in Android or do I have to use OnCheckedChangeListener to listen for changes and have something that holds the last index selected? ...
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Is there Selected Tab Changed Event in the standard WPF Tab Control

...WPF, is there an event that can be used to determine when a TabControl 's selected tab changes? 9 Answers ...
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jQuery count child elements

... You can use .length with just a descendant selector, like this: var count = $("#selected li").length; If you have to use .children(), then it's like this: var count = $("#selected ul").children().length; You can test both versions here. ...
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How to select rows that have current day's timestamp?

I am trying to select only today's records from a database table. 9 Answers 9 ...
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Get cursor position (in characters) within a text Input field

... Easier update: Use field.selectionStart example in this answer. Thanks to @commonSenseCode for pointing this out. Old answer: Found this solution. Not jquery based but there is no problem to integrate it to jquery: /* ** Returns the caret (curs...
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JComboBox Selection Change Listener?

...istener() will work, too. You may get 2 ItemEvents, though, one for the deselection of the previously selected item, and another for the selection of the new item. Just don't use both event types! share | ...
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Difference between two dates in MySQL

... SELECT TIMEDIFF('2007-12-31 10:02:00','2007-12-30 12:01:01'); -- result: 22:00:59, the difference in HH:MM:SS format SELECT TIMESTAMPDIFF(SECOND,'2007-12-30 12:01:01','2007-12-31 10:02:00'); -- result: 79259 the differenc...
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How to select only date from a DATETIME field in MySQL?

...e a table in the MySQL database that is set up with DATETIME . I need to SELECT in this table only by DATE and excluding the time. ...