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What is the difference between partitioning and bucketing a table in Hive ?
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Interesting, I agree w.r.t the usage in select query. But wondered why people are using clustered by and sorted by together in table creation statement. If there is no significance to SORTED BY in DDL, then why this keyword is present? Didnt get that.
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Algorithm for classifying words for hangman difficulty levels as “Easy”,“Medium”, or “Hard”
...ermine the "difficulty" of a word for a hangman game, so that the game can select words to match a specified difficulty level?
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Explicitly calling return in a function or not
...son for not using explicit return. The following plot is created from data selected this way:
bench_nor2 <- function(x,repeats) { system.time(rep(
# without explicit return
(function(x) vector(length=x,mode="numeric"))(x)
,repeats)) }
bench_ret2 <- function(x,repeats) { system.time(rep(
# wi...
How do you configure logging in Hibernate 4 to use SLF4J
...u are still getting "raw" console stdout Hibernate output (like Hibernate: select ...), then Stack Overflow question " Turn off hibernate logging to console " may apply.
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Error in finding last used cell in Excel with VBA
...ad data? You will end up reaching the last row in the worksheet! It's like selecting cell A1 and then pressing End key and then pressing Down Arrow key. This will also give you unreliable results if there are blank cells in a range.
CountA is also unreliable because it will give you incorrect resul...
Cmake vs make sample codes?
... on your system configuration. Second, you perform the actual build in the selected build system.
Sources and build instructions are available at https://github.com/rhoelzel/make_cmake.
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How should you build your database from source control?
... I'm assuming "look up lists" means the data that is used to populuate <select> boxes? That may not always be possible, since that data might be modified by users (in some way) on production. Keeping backups makes sense in this case. You also suggest recreating the database from scratch as ...
What are the best PHP input sanitizing functions?
... much more thorough job of both stripping out all HTML and also allowing a selective whitelist of tags and attributes through.
Modern PHP versions ship with the filter extension, which provides a comprehensive way to sanitize user input.
Validation
Making sure that submitted data is free from unexpe...
Difference between Repository and Service Layer?
...Model GetByClient(int id)
{
return _clientRepository.Get(id).Select(c =>
new OrdersByClientViewModel
{
Cient = new ClientViewModel { ...init with values from c...}
Orders = c.Orders.Select(o => new OrderViewModel { ......
mongodb group values by multiple fields
...urse the ability to interpolate the variable through $expr using $match to select the matching items in the "join", but the general premise is a "pipeline within a pipeline" where the inner content can be filtered by matches from the parent. Since they are both "pipelines" themselves we can $limit e...