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Brew update failed: untracked working tree files would be overwritten by merge
... This is how permissions on my brew prefix look like here: drwxrwxr-x 16 root admin 646 Dec 27 20:30 /usr/local/
– favoretti
Jan 1 '13 at 19:37
19
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How to redirect to previous page in Ruby On Rails?
...structions in Rails Guides, you can use:
redirect_back(fallback_location: root_path)
The 'back' location is pulled from the HTTP_REFERER header which is not guaranteed to be set by the browser. Thats why you should provide a 'fallback_location'.
...
Exclude a directory from git diff
...s will exclude files relative to the current working directory AND the git root directory.
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How to use double or single brackets, parentheses, curly braces
...ojects, I can specify file paths as script input/output. if I specify $SRC_ROOT/myFile.txt or ${SRC_ROOT}/myFile.txt (SRC_ROOT var is exported by the build system) - doesn't work. only $(SRC_ROOT)/myFile.txt works. What could be the reason? clearly var name isn't a command?
– M...
java.net.UnknownHostException: Invalid hostname for server: local
...es this environment variable ($HOSTNAME) when it connects to the server.
[root@xyz ~]# echo $HOSTNAME
xyz
[root@xyz ~]# ping $HOSTNAME
ping: unknown host xyz
[root@xyz ~]# hostname -f
hostname: Unknown host
There are dozens of things that can cause this. Please comment if you discover a new re...
Duplicate log output when using Python logging module
...tetime.datetime.now()
handler = logging.FileHandler(
'/root/credentials/Logs/ProvisioningPython'
+ now.strftime("%Y-%m-%d")
+ '.log')
formatter = logging.Formatter('%(asctime)s %(levelname)s %(message)s')
handler.setFormatter(formatter)
...
nvm keeps “forgetting” node in new terminal session
...This loads nvm
# Some other program adding to the PATH:
export PATH="$ANT_ROOT:$PATH"
Solution:
### GOOD .bashrc ###
# Some other program adding to the PATH:
export PATH="$ANT_ROOT:$PATH"
# NVM initialisation
export NVM_DIR="$HOME/.nvm"
[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh" ...
How to use NSJSONSerialization
...
Your root json object is not a dictionary but an array:
[{"id": "1", "name":"Aaa"}, {"id": "2", "name":"Bbb"}]
This might give you a clear picture of how to handle it:
NSError *e = nil;
NSArray *jsonArray = [NSJSONSerializatio...
Create code first, many to many, with additional fields in association table
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I don't know I but this works better with MySql. Without the builder, Mysql throw me an error when I tried the migration.
– Rodrigo Prieto
Jul 4 '17 at 14:28
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CREATE TABLE IF NOT EXISTS equivalent in SQL Server [duplicate]
CREATE TABLE IF NOT EXISTS works on mysql but fails with SQL Server 2008 R2.
What is the equivalent syntax?
1 Answer
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