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log4j logging hierarchy order
...assigns a priority/severity level to the logging message. If the logging really takes effect (the message will be visible) depends on the effective logging level of the logger being used.
– Wolf
Oct 6 '17 at 6:18
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Unique combination of all elements from two (or more) vectors
I am trying to create a unique combination of all elements from two vectors of different size in R.
5 Answers
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deleting rows in numpy array
... Thanks! I had the same problem, and I could not figure out why simply calling numpy.delete(x, index) didn't work.
– Antimony
Nov 20 '15 at 22:59
6
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Do c++11 lambdas capture variables they don't use?
When I use [=] to indicate that I would like all local variables to be captured by value in a lambda, will that result in all local variables in the function being copied, or just all local variables that are used by the lambda ?
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File uploading with Express 4.0: req.files undefined
... this:
{ file:
{ fieldName: 'file',
originalFilename: '360px-Cute_Monkey_cropped.jpg',
name: '360px-Cute_Monkey_cropped.jpg'
path: 'uploads/6323-16v7rc.jpg',
type: 'image/jpeg',
headers:
{ 'content-disposition': 'form-data; name="file"; filename="360px-Cute_Monke...
Remove specific commit
...hanged line 2"
1 files changed, 1 insertions(+), 1 deletions(-)
Then it all works as expected.
The second answer was very interesting. There is a feature which has not yet been officially released (though it is available in Git v1.7.2-rc2) called Revert Strategy. You can invoke git like this:
...
How do I query for all dates greater than a certain date in SQL Server?
...o a proper datetime, and using single quotes will fix this issue.)
Technically, the parser might allow you to get away with
select *
from dbo.March2010 A
where A.Date >= '2010-04-01'
it will do the conversion for you, but in my opinion it is less readable than explicitly converting to a Da...
Take diff of two vertical opened windows in Vim
...
To begin diffing on all visible windows:
:windo diffthis
which executes :diffthis on each window.
To end diff mode:
:diffoff!
(The ! makes diffoff apply to all windows of the current tab - it'd be nice if diffthis had the same feature, bu...
$on and $broadcast in angular
...he model outside of the angular framework (like in a setTimeout, a dialog callback, or an ajax callback), in other words $apply() is already triggered after all code in .$on() is finished.
– th3uiguy
Jun 24 '15 at 10:05
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Python regex find all overlapping matches?
...ead captures the text you're interested in, but the actual match is technically the zero-width substring before the lookahead, so the matches are technically non-overlapping:
import re
s = "123456789123456789"
matches = re.finditer(r'(?=(\d{10}))',s)
results = [int(match.group(1)) for match in mat...