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Objective-C : BOOL vs bool

...); if (b2 != true) printf("ONCE AGAIN - NOT REAL b2 \n"); If you want to convert bool to BOOL you should use next code BOOL b22 = b1 ? YES : NO; //and back - bool b11 = b2 ? true : false; So, in our case: BOOL b22 = b1 ? 2 : NO; if (b22) printf("ONCE AGAIN MORE - REAL b22 \n"); if (b22 != Y...
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Why would you use Expression rather than Func?

...nstead of executing them. For example, LINQ to SQL gets the expression and converts it to the equivalent SQL statement and submits it to server (rather than executing the lambda). Conceptually, Expression<Func<T>> is completely different from Func<T>. Func<T> denotes a deleg...
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How to get correct timestamp in C#

... @DanielV see here: Converting a String to DateTime. – ekad Jun 15 '17 at 22:26 ...
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Cannot find module cv2 when using OpenCV

I have installed OpenCV on the Occidentalis operating system (a variant of Raspbian) on a Raspberry Pi, using jayrambhia's script found here . It installed version 2.4.5. ...
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How to include (source) R script in other scripts

...e, checks to see if the file has been loaded into the environment and uses sys.source to source the file if not. Here's a quick and untested function (improvements welcome!): include <- function(file, env) { # ensure file and env are provided if(missing(file) || missing(env)) stop("'fil...
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How exactly does tail recursion work?

... @Mr.32 I don't understand your question. I converted the function into an equivalent one but without explicit recursion (that is, without explicit function calls). If you change the logic into something non-equivalent, you may indeed make the function loop forever in ...
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Download attachments using Java Mail

... Hey can you tell how to convert the List<InputStream> to List<File> ? – kumuda Mar 19 '15 at 12:37 ...
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SQL Server principal “dbo” does not exist,

...r before this issue. Execute this command in your database to set owner to sysadmin account: use [YourDatabaseName] EXEC sp_changedbowner 'sa' share | improve this answer | ...
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how to check the dtype of a column in python pandas

... Can you comment as to why you included == np.float64 ? Arn't we trying to convert to floats? Thanks. – Ryan Chase May 20 '16 at 17:15 ...
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How to calculate “time ago” in Java?

... You need to decrease from each time unit that next bigger time unit(after converting it to the lower time unit) in order to be able to use it in a "time ago" string. – Nativ May 22 '16 at 17:59 ...