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Validating parameters to a Bash script
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#!/bin/sh
die () {
echo >&2 "$@"
exit 1
}
[ "$#" -eq 1 ] || die "1 argument required, $# provided"
echo $1 | grep -E -q '^[0-9]+$' || die "Numeric argument required, $1 provided"
while read dir
do
[ -d "$dir" ] || die "Directory $dir does not exist"
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Maximum length of HTTP GET request
What's the maximum length of an HTTP GET request?
7 Answers
7
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UITapGestureRecognizer tap on self.view but ignore subviews
... how can I set some priority for them?
– Matrosov Alexander
Apr 4 '13 at 15:16
if your buttons have their own gesture ...
Delete topic in Kafka 0.8.1.1
...topic isn't always working in 0.8.1.1
Deletion should be working in the next release, 0.8.2
kafka-topics.sh --delete --zookeeper localhost:2181 --topic your_topic_name
Topic your_topic_name is marked for deletion.
Note: This will have no impact if delete.topic.enable is not set to true.
Is...
How can you use optional parameters in C#?
...e
}
Edit: I know that at the time the question was asked, C# 4.0 didn't exist. But this question still ranks #1 in Google for "C# optional arguments" so I thought - this answer worth being here. Sorry.
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Best way to format integer as string with leading zeros? [duplicate]
...The way 004 is parsed by the compiler, and then represented in memory, is exactly the same as 4. The only time a difference is visible is in the .py source code. If you need to store information like "format this number with leading zeros until the hundreds place", integers alone cannot provide that...
HTTP Error 404.3 - Not Found" while browsing wcf service on Windows Server 2008(64bit)
...ked as mentioned in below screenshot.
You might need to activate each box and accept in case you get errors when activating all features at once
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Python Anaconda - How to Safely Uninstall
...ified in one of your runcom files, and not in your shell profile. So, for example if you are using bash, be sure to check your ~/.bashrc if you don't find the PATH modified in ~/.bash_profile.
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How do you print out a stack trace to the console/log in Cocoa?
...the call trace during certain points, like failed assertions, or uncaught exceptions.
6 Answers
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How to get started on TDD with Ruby on Rails? [closed]
...art with a guide to testing rails applications.
Also Railscast has some excellent screencasts about how to use different testing tools.
What do I need to test?
I will start with models, since they are easy to test. The simple rule is that you need to cover every if statement in your test.
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