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How to get Last record from Sqlite?
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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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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() {
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Add up a column of numbers at the Unix shell
...nt(x) for x in sys.stdin))" Traceback (most recent call last): File "<string>", line 1, in <module> File "<string>", line 1, in <genexpr> ValueError: invalid literal for int() with base 10: '\n'
– don bright
Jun 28 at 1:10
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Rails migration: t.references with alternative name?
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You can do it this way:
create_table :courses do |t|
t.string :name
t.references :transferrable_as
t.references :same_as
t.timestamps
end
or using t.belongs_to as an alias for t.references
You can't add foreign_key: true to those two references lines. If you want to mark t...
What is the difference (if any) between Html.Partial(view, model) and Html.RenderPartial(view,model)
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The only difference is that Partial returns an MvcHtmlString, and must be called inside <%= %>, whereas RenderPartial returnsvoid and renders directly to the view.
If you look at the source code, you'll see that they both call the same internal method, passing a StringWri...
What does PermGen actually stand for?
...Briefly, it contains the Java objects associated with classes and interned strings. In Sun's client implementation with sharing on, classes.jsa is memory mapped to form the initial data, with about half read-only and half copy-on-write.
Java objects that are merely old are kept in the Tenured Gener...
GUI-based or Web-based JSON editor that works like property explorer [closed]
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Generally when I want to create a JSON or YAML string, I start out by building the Perl data structure, and then running a simple conversion on it. You could put a UI in front of the Perl data structure generation, e.g. a web form.
Converting a structure to JSON is very...