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Programmatically add custom event in the iPhone Calendar

...is using the Event Kit framework in OS 4.0. Right click on the FrameWorks group in the Groups and Files Navigator on the left of the window. Select 'Add' then 'Existing FrameWorks' then 'EventKit.Framework'. Then you should be able to add events with code like this: #import "EventTestViewControl...
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filter for complete cases in data.frame using dplyr (case-wise deletion)

...u are using this filter in a dplyr pipe with other dplyr commands (such as group_by()), you will need to add %>% data.frame() %>% before you try and filter on complete.cases(.) because it won't work on tibbles or grouped tibbles or something. Or at least, that has been the experience I have h...
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Force drop mysql bypassing foreign key constraint

... Server (GPL) Steps I followed: 1. generate drop query using concat and group_concat. 2. use database 3. turn off / disable foreign key constraint check (SET FOREIGN_KEY_CHECKS = 0;), 4. copy the query generated from step 1 5. re enable foreign key constraint check (SET FOREIGN_KEY_CHECKS = ...
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How do I make text bold in HTML?

... your CSS ("label {font-weight: bold;"}). Want to embolden a heading for a group of related fields in a form, such as a group of radio choices? Surround them with a "fieldset" element, give it a "legend" element, and suggest a bold style for it within your CSS ("legend {font-weight: bold;}"). Want t...
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How to avoid the “divide by zero” error in SQL?

...E statement was not an option because then I had to add that column to the GROUP BY which totally changed the results. Making the initial query a subselect and then doing a GROUP BY on the outer query also changes the results because there is division involved. – Andrew Steitz...
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How to get rid of blank pages in PDF exported from SSRS

... Yep, worked for me too. I have a container with a tablix with column groups. Clearly the container was growing to contain the column groups and without consuming the container's white space it would overflow the page boundary. – Ciarán Jan 21 '14 at 14:3...
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Comparing Dates in Oracle SQL

...ing Format models Incidentally, if you want the count(*) you need to group by employee_id select employee_id, count(*) from employee where employee_date_hired > date '1995-12-31' group by employee_id This gives you the count per employee_id. ...
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Multiple file extensions in OpenFileDialog

How can I use multiple file extensions within one group using OpenFileDialog ? I have Filter = "BMP|*.bmp|GIF|*.gif|JPG|*.jpg|PNG|*.png|TIFF|*.tiff" and I want to create groups so JPG are *.jpg and *.jpeg, TIFF are *.tif and *.tiff and also 'All graphic types'? How can I do that? ...
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CSS vertical alignment text inside li

...in", "table", "table-caption", "table-cell", "table-column", "table-column-group", "table-row", "table-row-group", and "inherit" is not supported in IE7 and earlier. IE8 requires a !DOCTYPE. IE9 supports the values. – AK4668 Dec 25 '11 at 5:39 ...
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LINQ - Convert List to Dictionary with Value as List

... It sounds like you want to group the MyObject instances by KeyedProperty and put that grouping into a Dictionary<long,List<MyObject>>. If so then try the following List<MyObject> list = ...; var map = list .GroupBy(x => x.Keyed...