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How to edit log message already committed in Subversion?
...nable revision
property modifications. This is done
by creating a hook called
"pre-revprop-change" (see this section
in the Subversion book for more
details about how to do this). The
"pre-revprop-change" hook has access
to the old log message before it is
changed, so it can preserve...
Difference between Hive internal tables and external tables?
... remains on the HDFS server.
As an example if you create an external table called “table_test” in HIVE using HIVE-QL and link the table to file “file”, then deleting “table_test” from HIVE will not delete “file” from HDFS.
External table files are accessible to anyone who has access...
NodeJS - Error installing with NPM
...variable:
$ node-gyp --python C:/Anaconda2/python.exe
If node-gyp is called by way of npm and you have multiple versions of Python installed, then you can set npm's 'python' config key to the appropriate value:
$ npm config set python C:/Anaconda2/python.exe
Future update for Node.js a...
Test if remote TCP port is open from a shell script
...connection timeout separate from/in addition to the -w# timeout, which basically functions as a read timeout.
– Doktor J
Aug 30 '17 at 18:46
...
How to 'minify' Javascript code
...
I have written a tiny script which calls a API to get your script minified, check it out:
#!/usr/bin/perl
use strict;
use warnings;
use LWP::UserAgent;
use HTTP::Request;
use Fcntl;
my %api = ( css => 'https://cssminifier.com/raw', js => 'https://javas...
NULL values inside NOT IN clause
... UNKNOWN
The UNKNOWN is not the same as FALSE
you can easily test it by calling:
select 'true' where 3 <> null
select 'true' where not (3 <> null)
Both queries will give you no results
If the UNKNOWN was the same as FALSE then assuming that the first query would give you FALSE the...
What is an idiomatic way of representing enums in Go?
...
great examples (I did not recall the exact iota behaviour - when it is incremented - from the spec). Personally I like to give a type to an enum, so it can be type-checked when used as argument, field, etc.
– mna
J...
How do I use vimdiff to resolve a git merge conflict?
...
All four buffers provide a different view of the same file. The top left buffer (LOCAL) is how the file looked in your target branch (what you are merging into). The top right buffer (REMOTE) is how the file looked in your source branch (where yo...
Software Design vs. Software Architecture [closed]
...), and front-end design (Web or mobile) all by themselves. I think they're called full stack developers. Right?
– Maziyar
Aug 1 '14 at 7:07
1
...
Cycles in family tree software
... adoptions, etc.). We do not put any restrictions on these, except for logically impossible ones (for example, one can't be one's own parent, relations need two individuals, etc...)
The lack of validations gives us a more "real world", simpler and more flexible solution.
As for this specific case,...