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How to set variables in HIVE scripts
...iveconf for variable substitution.
e.g.
hive> set CURRENT_DATE='2012-09-16';
hive> select * from foo where day >= ${hiveconf:CURRENT_DATE}
similarly, you could pass on command line:
% hive -hiveconf CURRENT_DATE='2012-09-16' -f test.hql
Note that there are env and system variables as well...
In javascript, is an empty string always false as a boolean?
...aaand it's settled
– Anthony
Mar 2 '16 at 22:34
29
One caveat is that new String("") is truthy! T...
How can I install from a git subdirectory with pip?
...ppened on pip-1.5.4
– zyxue
Mar 26 '16 at 15:29
2
tip for others: you HAVE to use git+https, git+...
SQL Server - When to use Clustered vs non-Clustered Index?
...re its importance.. ?
– hud
Dec 27 '16 at 5:28
@nad: a well chosen non-clustered index can speed up your searches - in...
How to find index of list item in Swift?
...e method can be found at https://developer.apple.com/reference/swift/array/1689674-index
For array items that don't conform to Equatable you'll need to use index(where:):
let index = cells.index(where: { (item) -> Bool in
item.foo == 42 // test if this is the item you're looking for
})
Upda...
Why is Maven downloading the maven-metadata.xml every time?
...pdated?
– Philip Rego
Jan 11 '19 at 16:55
1
@PhilipRego - the updatePolicy applies per-artifact. ...
Retrieve CPU usage and memory usage of a single process on Linux?
..., PID with no luck
– Arnold Roa
Jan 16 '16 at 12:47
@ArnoldRoa pid only should work. ps -C chrome -o pid,%cpu,%mem,cmd...
“Missing compiler required member” error being thrown multiple times with almost no changes to code
...
answered Apr 29 '16 at 20:57
MikeMike
7,03666 gold badges3838 silver badges5858 bronze badges
...
Django FileField with upload_to determined at runtime
...this for hours.
– mgag
Mar 7 '10 at 16:46
3
Oddly enough this is failing on me in basically this ...
Why is '+' not understood by Python sets?
...tion.
– Platinum Azure
Oct 8 '11 at 16:26
2
@Platinum: I like to answer the question actually ask...