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How can I suppress all output from a command using Bash?
...is to assign the result of a command to a variable:
$ DUMMY=$( grep root /etc/passwd 2>&1 )
$ echo $?
0
$ DUMMY=$( grep r00t /etc/passwd 2>&1 )
$ echo $?
1
Since Bash and other POSIX commandline interpreters does not consider variable assignments as a command, the present command's ...
Difference between MEAN.js and MEAN.io
...g, they both use karma and mocha for tests, passport integration, nodemon, etc.
Why so similar? Mean.js is a fork of Mean.io and both initiatives were started by the same guy... Mean.io is now under the umbrella of the company Linnovate and looks like the guy (Amos Haviv) stopped his collaboration...
How to list the size of each file and directory and sort by descending size in Bash?
...-n
(this willnot show hidden (.dotfiles) files)
Use du -sm for Mb units etc. I always use
du -smc -- * | sort -n
because the total line (-c) will end up at the bottom for obvious reasons :)
PS:
See comments for handling dotfiles
I frequently use e.g. 'du -smc /home// | sort -n |tail' to get...
Which comment style should I use in batch files?
... dynamic variables (e.g. %=ExitCode% %=ExitCodeAscii% %=C:% %=D:% %__CD__% etc.), what they mean, how they are set, etc..
– Kieron Hardy
Mar 7 '18 at 23:06
...
How to resolve git's “not something we can merge” error
...h that you want to merge. Git requires local knowledge of both branches in order to merge those branches. You can resolve this by checking out the branch to merge and then going back to the branch you want to merge into.
git checkout branch-name
git checkout master
git merge branch-name
This shou...
Adding elements to object
...
Your element is not an array, however your cart needs to be an array in order to support many element objects. Code example:
var element = {}, cart = [];
element.id = id;
element.quantity = quantity;
cart.push(element);
If you want cart to be an array of objects in the form { element: { id: 10...
log all sql queries
...ies generated by a given page. As well as stacktraces of where they occur etc.
EDIT: to log all SQL queries to a file etc, then you will want to create some middleware. Middleware gets run on every request. There are several Django snippets out there for this sort of thing:
http://djangosnippe...
The server principal is not able to access the database under the current security context in SQL Se
...ND su.sid <> 0x0) AND
suser_sname(su.sid) is null
ORDER BY su.name
OPEN orphanuser_cur
FETCH NEXT FROM orphanuser_cur INTO @UserName
WHILE (@@fetch_status = 0)
BEGIN
--PRINT @UserName + ' user name being resynced'
exec sp_change_users_login 'Update_one', @UserName, @U...
Best way to structure a tkinter application? [closed]
...ral style you have to code top-down, defining functions before using them, etc. With this method you don't since you don't actually create the main window until the very last step. I prefer inheriting from tk.Frame just because I typically start by creating a frame, but it is by no means necessary. ...
What is the fastest substring search algorithm?
...tacker who wants to exploit worst-case performance to cripple your system? Etc..
– R.. GitHub STOP HELPING ICE
Jul 7 '10 at 5:46
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