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Haml: Control whitespace around text

...t;a href='thing'>here</a>. precede: = precede '*' do %span.small Not really Produces: *<span class='small'>Not really</span> To answer the original question: I will first = succeed ',' do = link_to 'link somewhere', 'http://example.com' - if @condition then render...
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Is null reference possible?

... References are not pointers. 8.3.2/1: A reference shall be initialized to refer to a valid object or function. [Note: in particular, a null reference cannot exist in a well-defined program, because the only way to create such a reference would be to bind it to the ...
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JavaScript: filter() for Objects

...rible things will happen to your code. Things will break. You're extending all object types, including object literals. Here's a quick example you can try: // Extend Object.prototype Object.prototype.extended = "I'm everywhere!"; // See the result alert( {}.extended ); // "I'm ev...
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What is @RenderSection in asp.net MVC

...his message form bottom. } That meaning if you want to bottom section in all pages, then you must use false as the second parameter at Rendersection method. share | improve this answer | ...
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How do I pass multiple parameters into a function in PowerShell?

...h accepts more than one string parameter, the first parameter seems to get all the data assigned to it, and remaining parameters are passed in as empty. ...
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How can I check if an ip is in a network in Python?

... 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...
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Could not load NIB in bundle

... 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-&...
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Backup/Restore a dockerized PostgreSQL database

... 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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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...