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How can I check if an ip is in a network in Python?
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Additionally, struct.unpack('L',socket.inet_aton(ip))[0] will fail on architectures where 'L' unpacks to something different than 4 bytes, regardless of endianness.
– Rafał Dowgird
May 4 '09 at...
Could not load NIB in bundle
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Additionally, if you are using alloc init, instead of initWithNibName:bunle:, what you will get is a black screen.
– Robert Childan
Apr 20 '12 at 8:36
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What is function overloading and overriding in php?
...that method.
In PHP, you can only overload methods using the magic method __call.
An example of overriding:
<?php
class Foo {
function myFoo() {
return "Foo";
}
}
class Bar extends Foo {
function myFoo() {
return "Bar";
}
}
$foo = new Foo;
$bar = new Bar;
echo($foo-&...
Converting NSString to NSDate (and back again)
...String = @"01-02-2010";
NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
[dateFormatter setDateFormat:@"dd-MM-yyyy"];
NSDate *dateFromString = [dateFormatter dateFromString:dateString];
NSDate convert to NSString:
NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
[d...
Could not find default endpoint element
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"This error can arise if you are calling the service in a class library and calling the class library from another project."
In this case you will need to include the WS configuration settings into the main projects app.config if its a winapp or web.config i...
Backup/Restore a dockerized PostgreSQL database
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Backup your databases
docker exec -t your-db-container pg_dumpall -c -U postgres > dump_`date +%d-%m-%Y"_"%H_%M_%S`.sql
Restore your databases
cat your_dump.sql | docker exec -i your-db-container psql -U postgres
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How can I open a link in a new window?
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window.open('url', 'window name', 'window settings')
jQuery:
$('a#link_id').click(function(){
window.open('url', 'window name', 'window settings');
return false;
});
You could also set the target to _blank actually.
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Google Espresso or Robotium [closed]
..., but also cause tests to run slower than necessary.
API. Espresso has a small, well-defined and predictable API, which is open to customization. You tell the framework how to locate a UI element using standard hamcrest matchers and then instruct it to either perform an action or check an assertion ...
Getting realtime output using subprocess
...pe, no communicate() method on the returned CompletedProcess. Also, capture_output is mutually exclusive with stdout and stderr.
– Aidan Feldman
Apr 19 '19 at 3:03
add a comme...
What are the main performance differences between varchar and nvarchar SQL Server data types?
I'm working on a database for a small web app at my school using SQL Server 2005 .
I see a couple of schools of thought on the issue of varchar vs nvarchar :
...