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Generating CSV file for Excel, how to have a newline inside a value
...ixed the leading spaces issue in the question, I typed the CSV example manually and didn't copy-paste from a real file, the real file doesn't include those spaces, good catch.
– Nir
Aug 10 '09 at 7:41
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What would be a good docker webdev workflow?
..., fig is now deprecated in favor of docker-compose
– allan.simon
Apr 10 '15 at 20:38
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What is java interface equivalent in Ruby?
...E> implements Collection<E>, Iterable<E> {
void add(int index, E element)
throws UnsupportedOperationException, ClassCastException,
NullPointerException, IllegalArgumentException,
IndexOutOfBoundsException;
}
What is the Interface of java.util.List...
How to get row from R data.frame
...anted
x[1,]==y
This page (from this useful site) has good information on indexing like this.
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Big-O for Eight Year Olds? [duplicate]
.... It doesn't matter if the collection has 10 items or 10000; it's still at index (say) 3, so we just jump to location 3 in memory.
O(n): retrieving an element from a linked list. Here, A = 0.5, because on average you''ll have to go through 1/2 of the linked list before you find the element you're lo...
Comparing two byte arrays in .NET
...sn't SequenceEqual take longer to process than an unsafe comparison? Especially when your doing 1000's of comparisons?
– tcables
Jan 20 '11 at 18:18
93
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How to merge a specific commit in Git
..., you can do an actual git merge --no-commit, and then manually adjust the index to remove any changes you don't want.
Suppose you're on branch A and you want to merge the commit at the tip of branch B:
git checkout A
git merge --no-commit B
Now you're set up to create a commit with two parents,...
Validate uniqueness of multiple columns
...r, one should add a unique constraint to db table. You can set it with add_index helper for one (or multiple) field(s) by running the following migration:
class AddUniqueConstraints < ActiveRecord::Migration
def change
add_index :table_name, [:field1, ... , :fieldn], unique: true
end
end
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Add days to JavaScript Date
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@sims month is 0 indexed. Month 3 is April
– Joel Coehoorn
Mar 31 '10 at 3:26
8
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How to get the result of OnPostExecute() to main activity because AsyncTask is a separate class?
...sk<Void, Void, String> {
// you may separate this or combined to caller class.
public interface AsyncResponse {
void processFinish(String output);
}
public AsyncResponse delegate = null;
public MyAsyncTask(AsyncResponse delegate){
this.delegate = delegate;
}
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