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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
...
9个常用iptables配置实例 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...-j ACCEPT
类似的，对于HTTP/HTTPS(80/443)、pop3(110)、rsync(873)、MySQL(3306)等基于tcp连接的服务，也可以参照上述命令配置。
对于基于udp的dns服务，使用以下命令开启端口服务：
iptables -A OUTPUT -p udp -o eth0 --dport 53 -j ACCEPT
iptables -A IN...
How do I know the script file name in a Bash script?
...d single quotes, since it contains two words
$ /misc/shell_scripts/check_root/show_parms.sh "'hello there'" "'william'"
# ------------- RESULTS ------------- #
# arguments called with ---> 'hello there' 'william'
# $1 ----------------------> 'hello there'
# $2 ----------------------> ...
nvm keeps “forgetting” node in new terminal session
...This loads nvm
# Some other program adding to the PATH:
export PATH="$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" ...
Adding a new SQL column with a default value
I am looking for the syntax to add a column to a MySQL database with a default value of 0
10 Answers
...
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)
...
How to kill a process running on particular port in Linux?
...
You might want to add that one might need root privilegues to get process names via netstat.
– Jonas Schäfer
Jul 20 '12 at 16:46
2
...
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...
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...
How to disable back swipe gesture in UINavigationController on iOS 7
...etting the delegate to nil leads to hanging issues when you go back to the root view controller and make a swipe gesture before navigating elsewhere.
The following example assumes iOS 7:
{
id savedGestureRecognizerDelegate;
}
- (void)viewWillAppear:(BOOL)animated
{
savedGestureRecognizer...