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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...
How to get correct timestamp in C#
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@DanielV see here: Converting a String to DateTime.
– ekad
Jun 15 '17 at 22:26
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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
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How exactly does tail recursion work?
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@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 ...
Download attachments using Java Mail
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Hey can you tell how to convert the List<InputStream> to List<File> ?
– kumuda
Mar 19 '15 at 12:37
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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 do I get a plist as a Dictionary in Swift?
...plistXML = FileManager.default.contents(atPath: plistPath!)!
do {//convert the data to a dictionary and handle errors.
plistData = try PropertyListSerialization.propertyList(from: plistXML, options: .mutableContainersAndLeaves, format: &propertyListFormat) as! [String:AnyObje...
String representation of an Enum
...e is an issue it can be a problem. I wouldn't worry about it unless you're converting loads of enums though.
– Keith
Jan 8 '09 at 14:26
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Java 8 Stream and operation on arrays
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There are new methods added to java.util.Arrays to convert an array into a Java 8 stream which can then be used for summing etc.
int sum = Arrays.stream(myIntArray)
.sum();
Multiplying two arrays is a little more difficult because I can't think of a way t...
Alter column, add default constraint
...the columns is "Date" of type datetime. We decided to add a default constraint to that column
6 Answers
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