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How to append output to the end of a text file
...hen directing output to a file:
your_command >> file_to_append_to
If file_to_append_to does not exist, it will be created.
Example:
$ echo "hello" > file
$ echo "world" >> file
$ cat file
hello
world
sh...
Status bar won't disappear
...den mode. This sets it to a global unlike other provided answers.
UPDATE: If you want that the status bar would be hidden on splash screen don't forget to mark "Hide during application launch" on target status bar options.
Also, you can add "Status bar is initially hidden" to "YES" on the plist if ...
What is the best way to implement “remember me” for a website? [closed]
...tandard session management cookie.
The login cookie contains a series identifier and a token. The series and token are unguessable random numbers from a suitably large space. Both are stored together in a database table, the token is hashed (sha256 is fine).
When a non-logged-in user visits the site...
How can I write a regex which matches non greedy? [duplicate]
...t to enable an option to permit "any character" to include newlines.
Even if your regular expression engine supports non-greedy matching, it's better to spell out what you actually mean. If this is what you mean, you should probably say this, instead of rely on non-greedy matching to (hopefully, pr...
How to hide command output in Bash
...
Usually, output goes either to file descriptor 1 (stdout) or 2 (stderr). If you close a file descriptor, you'll have to do so for every numbered descriptor, as &> (below) is a special BASH syntax incompatible with >&-:
/your/first/command >&- 2>&-
Be careful to note ...
How can you automatically remove trailing whitespace in vim
...
Maybe you could explicit that the e at the end means, if we did not find the pattern, vi does not consider the substitute command as failed
– LLenain
Dec 1 '16 at 12:46
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HttpSecurity, WebSecurity and AuthenticationManagerBuilder
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great answer. I am wondering if we ever need to call permitAll on HttpSecurity? Can't we just ignore all open url's like /register or /login using WebSecurity? Then why does all tutorials or answers use HttpSecurity.permitAll for /register and /login but...
Is there an Eclipse line-width marker?
I have a specific project where I need to wrap every code line at 65 characters. I have set up the eclipse Java code formatter properly for this. But what I really want is a vertical line to be drawn in the editor showing where the max line width while I am typing, not just when I run the formmater....
How to load db:seed data into test database automatically?
... @Steve thank you - do you know where to put Rails.application.load_seed if one is using rspec/capybarra, for example?
– BKSpurgeon
Oct 10 '16 at 1:58
1
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HttpServletRequest - how to obtain the referring URL?
...s a client-controlled value and can thus be spoofed to something entirely different or even removed. Thus, whatever value it returns, you should not use it for any critical business processes in the backend, but only for presentation control (e.g. hiding/showing/changing certain pure layout parts) a...
