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Generics in C#, using type of a variable as parameter [duplicate]
... transaction });
Ick.
Can you make your calling method generic instead, and pass in your type parameter as the type argument, pushing the decision one level higher up the stack?
If you could give us more information about what you're doing, that would help. Sometimes you may need to use reflecti...
Determine the number of NA values in a column
...r of NA values in a data frame column. Say my data frame is called df , and the name of the column I am considering is col . The way I have come up with is following:
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Generic method multiple (OR) type constraint
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You can access the value through Primary and Alternate
There are implicit converters between TP/TA and Either to allow you to pass either the values or an Either anywhere where one is expected. If you do pass an Either where a TA or TP is expected, but the Either contains the wrong type of value yo...
How do I get a platform-dependent new line character?
...ddition to the line.separator property, if you are using java 1.5 or later and the String.format (or other formatting methods) you can use %n as in
Calendar c = ...;
String s = String.format("Duke's Birthday: %1$tm %1$te,%1$tY%n", c);
//Note `%n` at end of line ^^
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Android - How to get application name? (Not package name)
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This works fine, as long as you really use a label in android:name. If you hardcoded a string, then it fails.
– Snicolas
Aug 29 '13 at 15:20
2
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How do you change the datatype of a column in SQL Server?
...ge a column from a varchar(50) to a nvarchar(200) . What is the SQL command to alter this table?
8 Answers
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What's the fastest way to merge/join data.frames in R?
...he plyr timings here. Also note that the data.table do include the time to convert to data.table and set the key, for fareness.
This answer has been updated since originally answered in Dec 2010. The previous benchmark results are below. Please see revision history of this answer to see what chan...
Build fat static library (device + simulator) using Xcode and SDK 4+
...ary takes much more effort to setup, but much nicer long-term solution (it converts your library into a Framework).
Use this, then tweak it to add support for Archive builds - c.f. @Frederik's comment below on the changes he's using to make this work nicely with Archive mode.
RECENT CHANGES:
1. ...
Get a substring of a char* [duplicate]
...is will waste memory. You have been warned! :P
– alexandernst
Nov 11 '13 at 19:00
23
@alexanderns...
Android dismiss keyboard
...nswered Aug 24 '10 at 5:38
DeRaganDeRagan
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