大约有 23,000 项符合查询结果（耗时：0.0326秒） [XML]
When use getOne and findOne methods Spring Data JPA
...));
}
LockModeType type = metadata.getLockModeType();
Map<String, Object> hints = getQueryHints().withFetchGraphs(em).asMap();
return Optional.ofNullable(type == null ? em.find(domainType, id, hints) : em.find(domainType, id, type, hints));
}
And here em.find() is an Entit...
UITableViewCell, show delete button on swipe
...ViewController, UITableViewDelegate, UITableViewDataSource {
// These strings will be the data for the table view cells
var animals: [String] = ["Horse", "Cow", "Camel", "Pig", "Sheep", "Goat"]
let cellReuseIdentifier = "cell"
@IBOutlet var tableView: UITableView!
override fu...
How to instantiate non static inner class within a static method?
...nerTwo(); //same as this.new InnerTwo()
}
public static void main(String args[]) {
MyClass outer = new MyClass();
InnerTwo x = outer.new InnerTwo(); // Have to set the hidden pointer
InnerOne y = new InnerOne(); // a "static" inner has no hidden pointer
Inn...
Convert hex color value ( #ffffff ) to integer value
...
Integer.parseInt(myString.replaceFirst("#", ""), 16)
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How to view files in binary from bash?
...
vi your_filename
hit esc
Type :%!xxd to view the hex strings, the n :%!xxd -r to return to normal editing.
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How to get thread id from a thread pool?
...rt java.util.concurrent.*;
class ThreadIdTest {
public static void main(String[] args) {
final int numThreads = 5;
ExecutorService exec = Executors.newFixedThreadPool(numThreads);
for (int i=0; i<10; i++) {
exec.execute(new Runnable() {
public void run() {
...
How to get Last record from Sqlite?
...
To get last record from your table..
String selectQuery = "SELECT * FROM " + "sqlite_sequence";
Cursor cursor = db.rawQuery(selectQuery, null);
cursor.moveToLast();
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round() doesn't seem to be rounding properly
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According to the docs, this style of string formatting will eventually go away. The new-style format would be "{:.1f}".format(n)
– whereswalden
Aug 7 '14 at 12:56
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Read each line of txt file to new array element
...e_get_contents('foo.txt'));
file_get_contents() - gets the whole file as string.
explode("\n") - will split the string with the delimiter "\n" - what is ASCII-LF escape for a newline.
But pay attention - check that the file has UNIX-Line endings.
if "\n" will not work properly you have a other...
How to compare two dates in php
...DateTime("2009-10-11");
$date2 = new DateTime("tomorrow"); // Can use date/string just like strtotime.
var_dump($date1 < $date2);
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