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Understanding the map function
... will get errors. In Python 3 map() will stop after finishing with the shortest list. Also, in Python 3, map() returns an iterator, not a list.
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How do I connect to this localhost from another computer on the same network?
I'm currently working on a project and I would like to test it out on two laptops at home where one laptop connects to the localhost on the other. I am using XAMPP. How do I do this?
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Why switch is faster than if
... between JVM's LookupSwitch and TableSwitch?
So as far as which one is fastest, use this approach:
If you have 3 or more cases whose values are consecutive or nearly consecutive, always use a switch.
If you have 2 cases, use an if statement.
For any other situation, switch is most likely faster, ...
JSON.net: how to deserialize without using the default constructor?
...; method.Invoke(null, a);
}
}
I'm using it like this.
public struct Test {
public readonly int A;
public readonly string B;
public Test(int a, string b) {
A = a;
B = b;
}
}
var json = JsonConvert.SerializeObject(new Test(1, "Test"), new JsonSerializerSettings {
ContractRes...
Is String.Format as efficient as StringBuilder
...g that mistake and got the expected results: the String + operator was fastest, followed by StringBuilder, with String.Format bringing up the rear.
– Ben Collins
Jul 19 '13 at 21:28
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How do I raise the same Exception with a custom message in Python?
... where we raise our exception.
Traceback (most recent call last):
File "test.py", line 2, in <module>
1 / 0
ZeroDivisionError: division by zero
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "test.py", line 4, in <modu...
Use PHP to create, edit and delete crontab jobs?
... manages the cron files so you can use them, for example per project. Unit Tests available :-)
Sample from command line:
bin/cronman --enable /var/www/myproject/.cronfile --user www-data
Sample from API:
use php\manager\crontab\CrontabManager;
$crontab = new CrontabManager();
$crontab->enab...
How to check if a string is a valid JSON string in JavaScript without using Try/Catch
...a regexp that check for a valid JSON, something like:
if (/^[\],:{}\s]*$/.test(text.replace(/\\["\\\/bfnrtu]/g, '@').
replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']').
replace(/(?:^|:|,)(?:\s*\[)+/g, ''))) {
//the json is ok
}else{
//the json is not ok
}
ED...
Mockito: Inject real objects into private @Autowired fields
...
Use @Spy annotation
@RunWith(MockitoJUnitRunner.class)
public class DemoTest {
@Spy
private SomeService service = new RealServiceImpl();
@InjectMocks
private Demo demo;
/* ... */
}
Mockito will consider all fields having @Mock or @Spy annotation as potential candidates to ...
How do I join two paths in C#?
...as in the example below:
string basePath = @"c:\temp";
string filePath = "test.txt";
string combinedPath = Path.Combine(basePath, filePath);
// produces c:\temp\test.txt
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