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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...
Fastest way to count exact number of rows in a very large table?
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@zerkmsby: For COUNT(key) I meant COUNT(primarykey) which should be non nullable. I'll clarify
– gbn
May 20 '11 at 8:30
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How to remove selected commit log entries from a Git repository while keeping their changes?
... commits (what was changed), or reword commit messages.
I think pick just means that you want to leave that commit alone.
(Example is from here)
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How to sort an ArrayList?
...t), using the reverse order comparator makes sure that the sort is stable (meaning that the order of elements will not be changed when they are equal according to the comparator, whereas reversing will change the order).
– Marco13
Aug 30 '14 at 23:18
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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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Compare object instances for equality by their attributes
...g __eq__ will automatically make instances of your class unhashable, which means they can't be stored in sets and dicts. If you're not modelling an immutable type (i.e. if the attributes foo and bar may change value within the lifetime of your object), then it's recommend to just leave your instance...
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...
Use of alloc init instead of new
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@VinceO'Sullivan, good point. This means if one wants to make init unavailable, as in a singleton class, one should disable new as well. I won't touch here on whether singletons are good or bad.
– user3099609
Mar 24 '15 a...
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...
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 ...