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Truncating all tables in a Postgres database
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FrustratedWithFormsDesigner is correct, PL/pgSQL can do this. Here's the script:
CREATE OR REPLACE FUNCTION truncate_tables(username IN VARCHAR) RETURNS void AS $$
DECLARE
statements CURSOR FOR
SELECT tablename FROM pg_tables
WHERE tableowner = username AND schemaname = 'publi...
Replace comma with newline in sed on MacOS?
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This is the only solution that works in a sed script.
– Firstrock
May 12 '14 at 19:12
6
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How can I access a JavaScript object which has spaces in the object's key?
I have a JavaScript object that looks something like this:
5 Answers
5
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Unit test, NUnit or Visual studio?
...utOfMemoryExceptions and other instability problems. We run the tests from scripts. It would be easy to view test results in Visual Studio, but when the solution is open, VS crashes (every time). So we need to search the failing tests using text search. There is no advantage of an integrated tool an...
Find and replace in file and overwrite file doesn't work, it empties the file
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An alternative, useful, pattern is:
sed -e 'script script' index.html > index.html.tmp && mv index.html.tmp index.html
That has much the same effect, without using the -i option, and additionally means that, if the sed script fails for some reason, the inp...
How do I add a linker or compile flag in a CMake file?
...ils of how certain toolchains should be configured -- separated into CMake script files, extensible by future users of your project, scalable.
Ideally, there should be no compiler/linker flags in your CMakeLists.txt files -- even within if/endif blocks. And your program should build for the native ...
Check status of one port on remote host [closed]
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For scripting purposes, I've found that curl command can do it, for example:
$ curl -s localhost:80 >/dev/null && echo Connected. || echo Fail.
Connected.
$ curl -s localhost:123 >/dev/null && echo Connecte...
MAC addresses in JavaScript
...y/security vulnerability if you would be able to do this directly from Javascript. There are two things I can think of:
Using Java (with a signed applet)
Using signed Javascript, which in FF (and Mozilla in general) gets higher privileges than normal JS (but it is fairly complicated to set up)
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How can I exclude all “permission denied” messages from “find”?
...on denied' >&3; } 3>&2 2>&1
In short: Custom file descriptor 3 is used to temporarily swap stdout (1) and stderr (2), so that error messages alone can be piped to grep via stdout.
Without these redirections, both data (file paths) and error messages would be piped to grep via...
How can I auto increment the C# assembly version via our CI platform (Hudson)?
...ormation from this one file.
In you source control, you add a bat file or script file that simply increments the SharedAssemblyProperties.cs file and all of your projects will update their assembly information from that file.
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