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PostgreSQL create table if not exists
In a MySQL script you can write:
6 Answers
6
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Delete specific line number(s) from a text file using sed?
...ere you genuinely need to perform this task, you can generate a simple sed script from the file of line numbers. Humorously (but perhaps slightly confusingly) you can do this with sed.
sed 's%$%d%' linenumbers
This accepts a file of line numbers, one per line, and produces, on standard output, t...
UnicodeDecodeError: 'ascii' codec can't decode byte 0xef in position 1
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Try setting the system default encoding as utf-8 at the start of the script, so that all strings are encoded using that.
# coding: utf-8
import sys
reload(sys)
sys.setdefaultencoding('utf-8')
share
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Combining multiple git repositories
... The result is a messed up history! My solution was to paste the code in a script file a write a real <TAB> character in it. From the Terminal, a tab can be entered pressing ctrl+v and then writing a <TAB>. I haven't tried Craig's solution
– Gil Vegliach
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How to connect to SQL Server database from JavaScript in the browser?
... source code showing how to connect to a SQL Server 2005 database from JavaScript locally? I am learning web programming on my desktop.
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Automatic Retina images for web sites
...g tag that allows you to add a retina src attribute, namely srcset. No javascript or CSS needed, no double loading of images.
<img src="low-res.jpg" srcset="high-res.jpg 2x">
Browser Support: http://caniuse.com/#search=srcset
Other Resources:
WebKit release post
W3C documentation for srcs...
Do you debug C++ code in Vim? How? [closed]
...does not center Vim by default around the source, so I've created a Python script that does it: How to open the current file at the current line in a text editor from GDB?
Breakpoint command to clipboard helper
This vim command copies a breakpoint specifier of type:
b <file-path>:<line-numb...
Replace only text inside a div using jquery
...r because it allows replacements without worrying about borking the markup/scripts etc.
– sehe
Nov 2 '16 at 12:02
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Disable developer mode extensions pop up in Chrome
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can you explain it a bit for mortal humans? what is that script, or where to put it...
– T.Todua
Aug 12 '17 at 14:30
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How to git reset --hard a subdirectory?
...on 1.7.0, Git's ls-files honors the skip-worktree flag.
Running your test script (with some minor tweaks changing git commit... to git commit -q and git status to git status --short) outputs:
Initialized empty Git repository in /home/user/repo/.git/
After read-tree:
a/a/aa
a/b/ab
b/a/ba
After modi...