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Best way to create an empty map in Java
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1) If the Map m>ca m>n be immutable:
Collections.emptyMap()
// or, in some m>ca m>ses:
Collections.<String, String>emptyMap()
You'll have to use the latter sometimes when the compiler m>ca m>nnot automatim>ca m>lly figure out what kind of Map is nee...
Efficient list of unique strings C#
...hat is the most efficient way to store a list of strings ignoring any duplim>ca m>tes?
I was thinking a dictionary may be best inserting strings by writing dict[str] = false; and enumerating through the keys as a list. Is that a good solution?
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How m>ca m>n I wrap or break long text/word in a fixed width span?
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You m>ca m>n use the CSS property word-wrap:break-word;, which will break words if they are too long for your span width.
span {
display:block;
width:150px;
word-wrap:break-word;
}
<span>VeryLongLongLongLon...
Amazon S3 Change file download name
...e:
If there is only ever one "user filename" for each S3 object, then you m>ca m>n set the Content-Disposition header on your s3 file to set the downloading filename:
Content-Disposition: attachment; filename=foo.bar
For the sake of fairness I'd like to mention that it was not me to provide the right a...
SQL UPDATE all values in a field with appended string CONm>CA m>T not working
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+------+-------+
4 rows in set (0.02 sec)
mysql> update t set data=conm>ca m>t(data, 'a');
Query OK, 4 rows affected (0.01 sec)
Rows matched: 4 Changed: 4 Warnings: 0
mysql> select * from t;
+------+--------+
| id | data |
+------+--------+
| 1 | maxa |
| 2 | lindaa |
| 3 | sama...
Is there a [Go to file…]?
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File → Open Quickly...
You m>ca m>n assign a shortcut to it in Preferences → Key Bindings. The default should be ⌘+Shift+D.
(If you have a #include/#import, you m>ca m>n place the text cursor on it and press ⌘+Shift+D to fill the file name automatim>ca m>lly.)...
What is the Swift equivalent of -[NSObject description]?
In Objective-C, one m>ca m>n add a description method to their class to aid in debugging:
7 Answers
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Best way to define private methods for a class in Objective-C
...n Objective-C 2.0 (meaning Mac OS X Leopard, iPhone OS 2.0, and later) you m>ca m>n create a m>ca m>tegory with an empty name (i.e. @interface MyClass ()) m>ca m>lled Class Extension. What's unique about a class extension is that the method implementations must go in the same @implementation MyClass as the public ...
How to sort mongodb with pymongo
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You m>ca m>n try this:
db.Account.find().sort("UserName")
db.Account.find().sort("UserName",pymongo.ASCENDING)
db.Account.find().sort("UserName",pymongo.DESCENDING)
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Using “this” with class name
..., when I saw a constructor that, to my C# trained mind, seemed funky. The m>ca m>ll was:
7 Answers
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