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What's the best way to iterate an Android Cursor?
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I'd just like to point out a third alternative which also works if the cursor is not at the start position:
if (cursor.moveToFirst()) {
do {
// do what you need with the cursor here
} while (cursor.moveToNext());
}
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~x + ~y == ~(x + y) is always false?
... code always evaluate to false? Both variables are two's complement signed ints.
11 Answers
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Erratic hole type resolution
...already available from pattern-matching on a GADT.
– int_index
Mar 23 '16 at 20:50
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Why are exclamation marks used in Ruby methods?
...g called foo
foo.downcase! # modifies foo itself
puts foo # prints modified foo
This will output:
a string
In the standard libraries, there are a lot of places you'll see pairs of similarly named methods, one with the ! and one without. The ones without are called "safe methods", ...
How to update two tables in one statement in SQL Server 2005?
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do we need to maintain primary key and foreign key relation between them
– srinivas gowda
Jan 27 '17 at 4:43
2
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Get protocol, domain, and port from URL
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Or just turn it into a one-liner: window.location.href.split('/').slice(0, 3).join('/')
– Ryan McGeary
May 16 '17 at 19:35
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How to best display in Terminal a MySQL SELECT returning too many fields?
...esults will be listed in the vertical mode, so each column value will be printed on a separate line. The output will be narrower but obviously much longer.
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Custom fonts in iOS 7
...les.
You need to edit .plist file. Add "Fonts provided by application" key into your plist and in Item 0 copy the exact filename of the font you copied to your Supporting files WITH extension. For example: "JosefinSansStd-Light_0.otf"
Make sure that the font you imported to your app is being packed ...
What is the difference between String.Empty and “” (empty string)?
....NET, what is the difference between String.Empty and "" , and are they interchangable, or is there some underlying reference or Localization issues around equality that String.Empty will ensure are not a problem?
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How do I escape characters in c# comments?
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Interestingly, only < needs to get escaped with &lt;, > can stay as it is: List&lt;string> myStringList = new List&lt;string>();. At least this works in intellisense. Strangely enough, CDATA does not ...