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How do I parse command line arguments in Bash?
...as non-opt/last argument:
#93.184.216.34 example.com
To better understand ${i#*=} search for "Substring Removal" in this guide. It is functionally equivalent to `sed 's/[^=]*=//' <<< "$i"` which calls a needless subprocess or `echo "$i" | sed 's/[^=]*=//'` which calls two needless subp...
How to silence output in a Bash script?
I have a program that outputs to stdout and would like to silence that output in a Bash script while piping to a file.
9 An...
Do on-demand Mac OS X cloud services exist, comparable to Amazon's EC2 on-demand instances? [closed]
Amazon's EC2 service offers a variety of Linux and Windows OS choices, but I haven't found a service offering a similar "rent by the hour" service for a remote Mac OS X virtual machine. Does such a service exist? (iCloud looks to be just a data storage service, rather than a service allowing remot...
What is a bank conflict? (Doing Cuda/OpenCL programming)
I have been reading the programming guide for CUDA and OpenCL, and I cannot figure out what a bank conflict is. They just sort of dive into how to solve the problem without elaborating on the subject itself. Can anybody help me understand it? I have no preference if the help is in the context of CUD...
How to create NS_OPTIONS-style bitmask enumerations in Swift?
...C-style enumerations are imported as Swift enumerations. This makes sense, and since enumerations in Swift are readily provided as the enum value type it's easy to see how to create our own.
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Java Singleton and Synchronization
Please clarify my queries regarding Singleton and Multithreading:
8 Answers
8
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Dynamic variable names in Bash
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Use an associative array, with command names as keys.
# Requires bash 4, though
declare -A magic_variable=()
function grep_search() {
magic_variable[$1]=$( ls | tail -1 )
echo ${magic_variable[$1]}
}
If you can't use associative arrays (e.g., you m...
What is the difference between JavaScript and ECMAScript?
What's the difference between ECMAScript and JavaScript? From what I've deduced, ECMAScript is the standard and JavaScript is the implementation. Is this correct?
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After Installing Java JDK 7 For Mac OS X - mvn -version still shows java version 1.6.0_31
... Java JDK 7 on April 26 for Mac OS X. I followed the install instructions and when I do java -version in a terminal window I get:
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Any way to modify Jasmine spies based on arguments?
...ent parameters. I'd like to mock this external API out with a Jasmine spy, and return different things based on the parameters. Is there any way to do this in Jasmine? The best I can come up with is a hack using andCallFake:
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