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Reasons for using the set.seed function
...ccusations of doing this it is best to choose a seed that has some obvious meaning, either always the same seed, or the date, or I use char2seed and the last name of the principle investigator on a project.
– Greg Snow
Dec 6 '12 at 22:28
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What is the precise meaning of “ours” and “theirs” in git?
...nd the merge-from branch is your original (pre-rebase) branch: so "--ours" means the anonymous one rebase is building while "--theirs" means "our branch being rebased".
As for the gitattributes entry: it could have an effect: "ours" really means "use stage #2" internally. But as you note, it's n...
What is the difference between partitioning and bucketing a table in Hive ?
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SORTED BY is meant to be used with DISTRIBUTED BY. For instance, you may want to distributed by user id and sort by time within the bucket. CLUSTER BY is just a shortcut for when the clause on the SORTED BY and DISTRIBUTED BY are the sam...
Using NumberPicker Widget with Strings
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String value = String.valueOf(picker.getValue());
You could mean something else, but it isn't very clear what you mean.
UPDATED:
You can fake it by setting your own formatter:
CountryFormatter implements Formatter {
public String toString(int value) {
switch(value) {
...
Explicit vs implicit SQL joins
...table2 has about 1000 rows.
This is a very simple case; it doesn't by any means prove that the query optimizer wouldn't get confused and generate different plans in a more complicated case.
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How can you dynamically create variables via a while loop? [duplicate]
...bles dynamically via a while loop in Python. Does anyone have any creative means of doing this?
8 Answers
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SQLite UPSERT / UPDATE OR INSERT
...esides, I created the table with the clause ON DELETE CASCADE, which would mean that it'd delete data silently. Dangerous.
So, I first thought of a IF clause, but SQLite only has CASE. And this CASE can't be used (or at least I did not manage it) to perform one UPDATE query if EXISTS(select id from ...
Select statement to find duplicates on certain fields
...m going to assume that by "for every record except for the first one", you mean that there is another "id" column that we can use to identify which row is "first".
SELECT id
, field1
, field2
, field3
FROM
(
SELECT id
, field1
, field2
, field3
, RANK...
When are you truly forced to use UUID as part of the design?
...ogy to the probability myself, as it seemed the OP didn't quite grasp it's meaning, but you seem to have done that.
– Noldorin
Mar 31 '09 at 21:15
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Overlaying histograms with ggplot2 in R
... +
geom_density(alpha=0.3, fill="red") +
geom_vline(aes(xintercept=mean(eval(parse(text=feature)))), color="black", linetype="dashed", size=1) +
labs(x=feature, y = "Density")
print(plt)
}
Multiple histogram:
plot_multi_histogram <- function(df, feature, label_column) {
plt...