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How to upgrade PostgreSQL from version 9.6 to version 10.1 without losing data?
...ory
-B the new PostgreSQL executable directory
Move new data into place:
cd /usr/local/var
mv postgres postgres9.6
mv postgres10.1 postgres
Restart Postgres:
launchctl load ~/Library/LaunchAgents/homebrew.mxcl.postgresql.plist
Check /usr/local/var/postgres/server.log for details and to make sure...
Is there a performance difference between i++ and ++i in C?
...assembler files are the same.
$ md5 i++.s ++i.s
MD5 (i++.s) = 90f620dda862cd0205cd5db1f2c8c06e
MD5 (++i.s) = 90f620dda862cd0205cd5db1f2c8c06e
$ md5 *.o
MD5 (++i.o) = dd3ef1408d3a9e4287facccec53f7d22
MD5 (i++.o) = dd3ef1408d3a9e4287facccec53f7d22
...
Forward declaration of nested types/classes in C++
...take out class D separately, and enter a synonym for it in class C:
class CD {
};
class C {
public:
using D = CD;
};
class CD;
How to code a BAT file to always run as admin mode?
...SYSTEM32 instead of bat file location!
To workaround it, you should use
cd "%~dp0"
or better
pushd "%~dp0"
to ensure cur dir is at the same path where the bat file is.
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git update-index --assume-unchanged returns “fatal unable to mark file”
...u SOOOO much! This worked! I think I was using all lower case before, or cd to the folder and then tried to use this command.
– Karen
Dec 13 '12 at 22:44
...
Java : How to determine the correct charset encoding of a stream
...
BufferedInputStream bis = new BufferedInputStream(input);
CharsetDetector cd = new CharsetDetector();
cd.setText(bis);
CharsetMatch cm = cd.detect();
if (cm != null) {
reader = cm.getReader();
charset = cm.getName();
}else {
throw new UnsupportedCharsetException()
}
...
How do I create a new GitHub repo from a branch in an existing repo?
...idea, and refined it to solve my problem:
Create the new-repo in github.
cd to your local copy of the old repo you want to extract from, which is set up to track the new-project branch that will become the new-repo's master.
$ git push https://github.com/accountname/new-repo.git +new-project:maste...
How to properly create composite primary keys - MYSQL
... unique Congressional districts. While many states may individually have a CD-5, there will never be more than one CD-5 in any of the 50 states, and vice versa. Therefore, creating an autonumber field for Massachusetts CD-5 would be redundant.
If the database drives a dynamic web page, writing cod...
How do I launch the Android emulator from the command line?
...
If you run from a Linux terminal, you must cd into the $ANDROID_SDK/tools folder or it will not work.
– shimatai
May 24 '17 at 22:23
4
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Java Stanford NLP: Part of Speech labels?
...nd for german it's the NEGRA corpus.
CC Coordinating conjunction
CD Cardinal number
DT Determiner
EX Existential there
FW Foreign word
IN Preposition or subordinating conjunction
JJ Adjective
JJR Adjective, comparative
JJS Adjective, superlative
LS List item marker ...