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nil detection in Go
...nil, which is a valid comparison. To do that you can either use the golang new builtin, or initialize a pointer to it:
config := new(Config) // not nil
or
config := &Config{
host: "myhost.com",
port: 22,
} // not nil
or
var config *Co...
Difference between as.POSIXct/as.POSIXlt and strptime for converting character vectors to POSIXct/PO
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How to optimize imports automatically after each save in IntelliJ IDEA
...hink the import option "optimize on the fly" will optimise when you import new types, and when you paste code, but it won't touch existing imports if you don't explicitly ask for it. There are no "save actions" that you can configure in Intellij.
– Alexandre DuBreuil
...
Scripting TFS Command Line for Get Latest Version, Check Out and Check in, programmatically
... Sep 21 '10 at 18:51
Ewald HofmanEwald Hofman
12.6k33 gold badges3636 silver badges4444 bronze badges
...
Difference between res.send and res.json in Express.js
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What is a handle in C++?
... GC heap. Creating an object on the (unmanaged) C++ heap is achieved using new and the result of a new expression is a "normal" pointer. A managed object is allocated on the GC (managed) heap with a gcnew expression. The result will be a handle. You can't do pointer arithmetic on handles. You don't ...
Passing a single item as IEnumerable
... with. Basically it's not clear what's going on, but I suggest you start a new question about it.
– Jon Skeet
Oct 17 '11 at 17:33
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show 2 m...
Get records with max value for each group of grouped SQL results
...ou want is first, then group by the columns you want the value for.
You avoid complicated subqueries that try to find the max() etc, and also the problems of returning multiple rows when there are more than one with the same maximum value (as the other answers would do)
Note: This is a mysql-only so...
Android Split string
... use the StringTokenizer class (from java.util):
StringTokenizer tokens = new StringTokenizer(currentString, ":");
String first = tokens.nextToken();// this will contain "Fruit"
String second = tokens.nextToken();// this will contain " they taste good"
// in the case above I assumed the string has ...
What is the mouse down selector in CSS?
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