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In Bash, how can I check if a string begins with some value?
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This snippet on the Advanced Bash Scripting Guide says:
# The == comparison operator behaves differently within a double-brackets
# test than within single brackets.
[[ $a == z* ]] # True if $a starts with a "z" (wildcard matching).
[[ $a == "z*" ]] # Tru...
How to find encoding of a file via script on Linux?
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here is an example script using file -I and iconv which works on MacOsX
For your question you need to use mv instead of iconv
#!/bin/bash
# 2016-02-08
# check encoding and convert files
for f in *.java
do
encoding=`file -I $f | cut -f 2 -d";...
Rails: FATAL - Peer authentication failed for user (PG::Error)
...tgres=#
CREATE ROLE
postgres=#
That means, "ROLE CREATED", but postgres' alerts seem to adopt the same imperative conventions of git hub.
7) Now, still in the postgres shell, we need to create the database with the name we set in the YAML. Make the user we created in step 6 its owner:
postgres=#...
Do browsers parse javascript on every page load?
Do browsers (IE and Firefox) parse linked javascript files every time the page refreshes?
6 Answers
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How do I uninstall nodejs installed from pkg (Mac OS X)?
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@nicerobot Thanks for the gist/script! Probably should point out to others that the actual gist page for that script is here. Also, being a n00b to running .sh scripts myself, I had to $ chmod u+x uninstall-node.sh and then $ ./uninstall-node.sh before it ...
How do I get logs/details of ansible-playbook module executions?
...ally start/stop logging from a playbook? Like set -x and set +x in a shell script.
– Kashyap
Sep 16 '13 at 16:03
@thek...
jQuery - setting the selected value of a select control via its text description
I have a select control, and in a javascript variable I have a text string.
21 Answers
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How to simulate a touch event in Android?
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Here is a monkeyrunner script that sends touch and drags to an application. I have been using this to test that my application can handle rapid repetitive swipe gestures.
# This is a monkeyrunner jython script that opens a connection to an Android...
How to execute a file within the python interpreter?
...here any way to provide stdin from a file like using < to the executing script with in the execfile().? @s-lott
– bhanu
Mar 2 '16 at 7:18
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Can I change all my http:// links to just //?
...ware of which one has the problem or how popular it is. For hosting a JavaScript file, that's not a big problem since RSS readers typically ignore JavaScript content anyway. However, it could be an issue if you're using these URLs for media like images inside content that needs to be syndicated vi...