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In Vim is there a way to delete without putting text in the register?
Using Vim I often want to replace a block of code with a block that I just yanked.
25 Answers
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Trimming a huge (3.5 GB) csv file to read into R
...iles a piece at a time in R?
Yes. The readChar() function will read in a block of characters without assuming they are null-terminated. If you want to read data in a line at a time you can use readLines(). If you read a block or a line, do an operation, then write the data out, you can avoid the m...
Why would I use Scala/Lift over Java/Spring? [closed]
...t that @harryh isn't a super-genius) and his main focus was re-writing the PHP version of FourSquare while coping with weekly traffic doubling.
The last part of Lift's security focus is SiteMap. It's a unified access control, site navigation, and menu system. The developer defines the access cont...
AngularJS : Initialize service with asynchronous data
... be available as constants when my app is started, even in module.config() blocks.
I created a small AngularJS app that loads the config, sets them as constants on the actual app and bootstraps it.
// define the module of your app
angular.module('MyApp', []);
// define the module of the bootstrap...
Why can I use a function before it's defined in JavaScript?
...is magic and causes its identifier to be bound before anything in its code-block* is executed.
This differs from an assignment with a function expression, which is evaluated in normal top-down order.
If you changed the example to say:
var internalFoo = function() { return true; };
it would stop...
Insert a string at a specific index
... gets into a library that sees significant uptake across the web, it could block the use of a simple, clear method name for new functionality.
– Sean
Jan 1 at 18:35
add a comm...
How do you find the sum of all the numbers in an array in Java?
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You can't. Other languages have some methods for this like array_sum() in PHP, but Java doesn't.
Just..
int[] numbers = {1,2,3,4};
int sum = 0;
for( int i : numbers) {
sum += i;
}
System.out.println(sum);
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Logical operators (“and”, “or”) in DOS batch
... defined res which is a little more robust against typos and works even in blocks without explicitly enabling delayed expansion.
– Joey
Jan 26 '10 at 23:34
5
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How do I handle too long index names in a Ruby on Rails ActiveRecord migration?
...t; 'my_index'
If using the :index option on references in a create_table block, it takes the same options hash as add_index as its value:
t.references :long_name, index: { name: :my_index }
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Serialize an object to XML
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One thing I'd suggest here: remove the try...catch block. It doesn't give you any benefit and just obfuscates the error that's being thrown.
– jammycakes
Oct 20 '14 at 10:50
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