大约有 43,000 项符合查询结果(耗时:0.0475秒) [XML]
UIRefreshControl without UITableViewController
...
On a hunch, and based on DrummerB's inspiration, I tried simply adding a UIRefreshControl instance as a subview to my UITableView. And it magically just works!
UIRefreshControl *refreshControl = [[UIRefreshControl alloc] init];
[refresh...
LINQ to SQL: Multiple joins ON multiple Columns. Is this possible?
...umnA, t2.ColumnB }
...
You have to take advantage of anonymous types and compose a type for the multiple columns you wish to compare against.
This seems confusing at first but once you get acquainted with the way the SQL is composed from the expressions it will make a lot more sense, under th...
Checking if a list is empty with LINQ
What's the "best" (taking both speed and readability into account) way to determine if a list is empty? Even if the list is of type IEnumerable<T> and doesn't have a Count property.
...
How to Generate unique file names in C#
...t will save on hard drive. I'm appending DateTime : Hours,Minutes,Second and Milliseconds but still it generates duplicate name of files because im uploading multiple files at a time.
...
An efficient compression algorithm for short text strings [closed]
...ing, not compression per se (at least not entirely). He uses a static word and letter dictionary.
– Roy Tinker
Oct 27 '10 at 18:46
7
...
User recognition without cookies or local storage
...--+-----+-----+-----+-----+-----------+
x1 to x20 represent the features converted by the code.
// Get RNA Labels
$labels = array();
$n = 1;
foreach ( $features as $k => $v ) {
$labels[$k] = "x" . $n;
$n ++;
}
Here is an online demo
Class Used:
class Profile {
public $name, $da...
How can I find the method that called the current method?
...see if this works in a comment! Try the following in a console application and you see that compiler optimsations break it. static void Main(string[] args) { CallIt(); } private static void CallIt() { Final(); } static void Final() { StackTrace trace = new StackTrace(); StackFrame frame =...
How to remove illegal characters from path and filenames?
I need a robust and simple way to remove illegal path and file characters from a simple string. I've used the below code but it doesn't seem to do anything, what am I missing?
...
What is a daemon thread in Java?
...ng" while @sateesh says that "JVM halts any remaining daemon threads are abandoned". So do daemon threads finish running when JVM exits?
– Gerald
Oct 16 '15 at 3:09
25
...
MySQL: Insert record if not exists in table
...y suggesting that you do this, as the UNIQUE index as suggested by Piskvor and others is a far better way to do it, but you can actually do what you were attempting:
CREATE TABLE `table_listnames` (
`id` int(11) NOT NULL auto_increment,
`name` varchar(255) NOT NULL,
`address` varchar(255) NOT...
