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Difference between HBase and Hadoop/HDFS
...able, distributed database that supports structured data storage for large tables. Just as Bigtable leverages the distributed data storage provided by the Google File System, Apache HBase provides Bigtable-like capabilities on top of Hadoop and HDFS.
When to use HBase:
If your application has a v...
How to split a comma-separated value to columns
I have a table like this
36 Answers
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What's the difference between CSS classes .foo.bar (without space) and .foo .bar (with space) [dupli
...t">.
In general, each part of a selector applies to one HTML element.
table[border].clname means a table with a border attribute and a class of clname, while table [border] .clname means an element with class clname, in an element with a border attribute, in a table.
(Edit: well, I say "one HT...
How to remove empty cells in UITableView? [duplicate]
i am trying to display a simple UITableView with some data. I wish to set the static height of the UITableView so that it doesn't displays empty cells at the end of the table. how do I do that?
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Postgresql SELECT if string contains
...Concatenate using '||' with the literal percent signs:
SELECT id FROM TAG_TABLE WHERE 'aaaaaaaa' LIKE '%' || tag_name || '%';
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Script entire database SQL-Server
Is there a way I can get a scripting of all tables, procs, and other objects from a database? I know there's an option to script the database but it only gave me some sort of top level script, certainly not a script to create all tables, procs, udfs, .etc.
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UITableView : viewForHeaderInSection: not called during reloadData:
I've set up the tableview with correct delegate and datasource linkages.. the reloadData method calls the datasource and the delegate methods except for viewForHeaderInSection: .
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Working with huge files in VIM
...s a 300GB mysql dump and I wanted to get rid of the DROP and change CREATE TABLE to CREATE TABLE IF NOT EXISTS so didn't want to run two invocations of sed. I wrote this quick Ruby script to dupe the file with those changes:
#!/usr/bin/env ruby
matchers={
%q/^CREATE TABLE `foo`/ => %q/CREA...
Replace all 0 values to NA
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What would the equivalent syntax be for a data.table object?
– itpetersen
Dec 7 '14 at 5:33
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UITableView set to static cells. Is it possible to hide some of the cells programmatically?
UITableView set to static cells.
22 Answers
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