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How to delete from a text file, all lines that contain a specific string?
..."printing the inverse is faster than actual deletion" - Not on my machine (2012 MacBook Air, OS X 10.13.2). Create file: seq -f %f 10000000 >foo.txt. sed d: time sed -i '' '/6543210/d' foo.txt real 0m9.294s. sed !p: time sed -i '' -n '/6543210/!p' foo.txt real 0m13.671s. (For smaller files, the d...
Script to kill all connections to a database (More than RESTRICTED_USER ROLLBACK)
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Updated
For MS SQL Server 2012 and above
USE [master];
DECLARE @kill varchar(8000) = '';
SELECT @kill = @kill + 'kill ' + CONVERT(varchar(5), session_id) + ';'
FROM sys.dm_exec_sessions
WHERE database_id = db_id('MyDB')
EXEC(@kill);
For MS S...
how to create a Java Date object of midnight today and midnight tomorrow?
... I ran that code and got: Midnight: Thu Nov 01 19:00:00 CDT 2012
– Dave
Nov 2 '12 at 18:18
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20个命令行工具监控 Linux 系统性能 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...盘。
# iostat
Linux 2.6.18-238.9.1.el5 (tecmint.com) 09/13/2012
avg-cpu: %user %nice %system %iowait %steal %idle
2.60 3.65 1.04 4.29 0.00 88.42
Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn
cciss/c0d0 17.79 ...
Emacs, switch to previous window
... @semente on my Emacs related page jasonm23.github.com/EmacsFodder/Emacs/2012/06/29/…
– ocodo
Jul 17 '12 at 6:26
1
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mkdir -p functionality in Python [duplicate]
...going with the accepted answer that requires only one system call.
UPDATE 2012-07-27
I'm tempted to delete this answer, but I think there's value in the comment thread below. As such, I'm converting it to a wiki.
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Python function attributes - uses and abuses [closed]
...y the most legit use of function attributes of all the answers (as of Nov, 2012). Most (if not all) the other answers use function attributes as a replacement for global variables; however, they do NOT get rid of global state, which is exactly the problem with global variables. This is different, be...
How to remove a TFS Workspace Mapping?
...idekicks, proceed to the risky last-ditch option below.
I’m using TFS 2012. I tried everything that was suggested online: deleted cache folder, used the workspaces dropdown, tf workspaces /remove:*, cleared credentials from Control Panel, IE, etc.
Nothing worked, I believe my workspace got cor...
How to remove \xa0 from string in Python?
...p://docs.python.org/howto/unicode.html.
Please note: this answer in from 2012, Python has moved on, you should be able to use unicodedata.normalize now
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How do you stop tracking a remote branch in Git?
...o branch is specified it defaults to the current branch.
(git 1.8+, Oct. 2012, commit b84869e by Carlos Martín Nieto (carlosmn))
That will make any push/pull completely unaware of origin/<remote branch name>.
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