大约有 43,000 项符合查询结果（耗时：0.0294秒） [XML]
Why is it impossible to override a getter-only property and add a setter? [closed]
... derivation, my code may break. e.g.
public class BarProvider
{ BaseClass _source;
Bar _currentBar;
public void setSource(BaseClass b)
{
_source = b;
_currentBar = b.Bar;
}
public Bar getBar()
{ return _currentBar; }
}
Since Bar cannot be set as per the BaseClass interface,...
cancelling a handler.postdelayed process
... this to post a delayed runnable:
myHandler.postDelayed(myRunnable, SPLASH_DISPLAY_LENGTH);
And this to remove it: myHandler.removeCallbacks(myRunnable);
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How to remove the querystring and get only the url?
...u can use strtok to get string before first occurence of ?
$url = strtok($_SERVER["REQUEST_URI"], '?');
strtok() represents the most concise technique to directly extract the substring before the ? in the querystring. explode() is less direct because it must produce a potentially two-element arr...
Best practices with STDIN in Ruby?
...ual file that gets all input from named files or all from STDIN.
ARGF.each_with_index do |line, idx|
print ARGF.filename, ":", idx, ";", line
end
# print all the lines in every file passed via command line that contains login
ARGF.each do |line|
puts line if line =~ /login/
end
Thank goo...
Storing SHA1 hash values in MySQL
...INARY(20) and CHAR(40).
CREATE TABLE `binary` (
`id` int unsigned auto_increment primary key,
`password` binary(20) not null
);
CREATE TABLE `char` (
`id` int unsigned auto_increment primary key,
`password` char(40) not null
);
With million of records binary(20) takes 44.56M, whil...
Does JavaScript have a method like “range()” to generate a range within the supplied bounds?
... startChar.charCodeAt(0), startChar.charCodeAt(0)))
}
lodash.js _.range() function
_.range(10);
=> [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
_.range(1, 11);
=> [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
_.range(0, 30, 5);
=> [0, 5, 10, 15, 20, 25]
_.range(0, -10, -1);
=> [0, -1, -2, -3, -4, -5...
Using AES encryption in C#
...g System.IO;
using System.Security.Cryptography;
namespace RijndaelManaged_Example
{
class RijndaelExample
{
public static void Main()
{
try
{
string original = "Here is some data to encrypt!";
// Create a new instanc...
Custom Adapter for List View
...lns:android="http://schemas.android.com/apk/res/android"
android:layout_height="wrap_content" android:orientation="vertical"
android:layout_width="fill_parent">
<TableRow android:layout_width="fill_parent"
android:id="@+id/TableRow01"
android:layout_hei...
How to check if an object is a generator object in python?
...s and generators (generator function's result):
>>> def generator_function():
... yield 1
... yield 2
...
>>> import inspect
>>> inspect.isgeneratorfunction(generator_function)
True
calling generator_function won't yield normal result, it even won't execute any ...
How to run a python script from IDLE interactive shell?
...s.call(['python', 'helloworld.py']) # Just run the program
subprocess.check_output(['python', 'helloworld.py']) # Also gets you the stdout
With arguments:
subprocess.call(['python', 'helloworld.py', 'arg'])
Read the docs for details :-)
Tested with this basic helloworld.py:
import sys
if le...