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How do I fetch lines before/after the grep result in bash?
... trailing output context.
grep -i "my_regex" -C 10
Example
user@box:~$ cat out
line 1
line 2
line 3
line 4
line 5 my_regex
line 6
line 7
line 8
line 9
user@box:~$
Normal grep
user@box:~$ grep my_regex out
line 5 my_regex
user@box:~$
Grep exact matching lines and 2 lines after
user@box:~...
Disable building workspace process in Eclipse
...le interrupt by saving its intermediate state and resuming on the next invocation.
In practice this is hard to implement so the most common boundary is when we check for interrupt before/after calling each builder in the chain.
...
How do I activate a virtualenv inside PyCharm's terminal?
...his happening. Script still uses --rcfile, but attempts to emulate the INVOCATION behaviour of a login shell.
Removes the need to create an rcfile for each environment
Removes the need to update the project settings if you change the environment.
Drop this script into a bin directory somewhere. E....
Generate .pem file used to set up Apple Push Notifications
I tried and tried to generate a .pem file, every time generating certificates from the client's account and then generating the .pem file using the terminal, but it's of no use. Can anyone give a step-by-step procedure?
...
How does a Linux/Unix Bash script know its own PID?
...omi, these examples show how pipes create subshells:
$ echo $$ $BASHPID | cat -
11656 31528
$ echo $$ $BASHPID
11656 11656
$ echo $$ | while read line; do echo $line $$ $BASHPID; done
11656 11656 31497
$ while read line; do echo $line $$ $BASHPID; done <<< $$
11656 11656 11656
...
What is the correct JSON content type?
...
For JSON text:
application/json
The MIME media type for JSON text is application/json. The default encoding is UTF-8. (Source: RFC 4627).
For JSONP (runnable JavaScript) with callback:
application/javascript
Here are some blog posts that were ...
Can an html element have multiple ids?
... through space separated or any character separation. Though in the specification it says that for backward compatibility it must not contain space character in attributes values Fragment Identifiers(w3.org/TR/xhtml1/#guidelines) So if you want to express multivalued IDs you have to express it diffe...
Grep and Sed Equivalent for XML Command Line Processing
...arsing HTML/XML DOMs in ruby using XPath & CSS selectors
hpricot: deprecated
fxgrep:
Uses its own XPath-like syntax to query documents. Written in SML, so
installation may be difficult.
LT XML:
XML toolkit derived from SGML tools, including sggrep, sgsort,
xmlnorm and others. Uses its own quer...
How can I log the stdout of a process started by start-stop-daemon?
...
To expand on ypocat's answer, since it won't let me comment:
start-stop-daemon --start --quiet --chuid $DAEMONUSER \
--make-pidfile --pidfile $PIDFILE --background \
--startas /bin/bash -- -c "exec $DAEMON $DAEMON_ARGS > /var/...
How do I find files with a path length greater than 260 characters in Windows?
...mit to displaying files that are only over a certain length (an easy modification to make), but displays them descending by length, so it's still super easy to see which paths are over your threshold. Here it is:
$pathToScan = "C:\Some Folder" # The path to scan and the the lengths for (sub-direct...