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Determine if a function exists in bash

...ts() { # appended double quote is an ugly trick to make sure we do get a string -- if $1 is not a known command, type does not output anything [ `type -t $1`"" == 'function' ] } Used as ... if ! fn_exists $FN; then echo "Hey, $FN does not exist ! Duh." exit 2 fi It checks if the giv...
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Frontend tool to manage H2 database [closed]

... Also consider java -cp /opt/h2/bin/h2.jar org.h2.tools.Shell. – trashgod Feb 16 '16 at 23:12 add a comment ...
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Finding the index of an item in a list

...the index-based methods for me, since I'm looking to gather the indices of strings using 'startswith" , and I need to gather multiple occurrences. Or is there a way to use index with "startswith" that I couldn't figure out – Tupelo Thistlehead Oct 26 '17 at 19:...
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Generate colors between red and green for a power meter?

... To directly convert to a hex color code, you might want to leverage String.format("#%06X", 0xFFFFFF & getTrafficlightColor(value)); – ngeek May 11 '16 at 8:01 add a...
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How to make a class JSON serializable

...e Python primitives that have a direct JSON equivalent (e.g. dicts, lists, strings, ints, etc.). jsonpickle builds on top of these libraries and allows more complex data structures to be serialized to JSON. jsonpickle is highly configurable and extendable–allowing the user to choose the JSON backe...
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Access nested dictionary items via a list of keys?

...d create non-existing nodes, imo: lists for integer keys, dictionaries for string keys. – Dmitriy Sintsov Feb 11 '15 at 10:59 ...
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How to change file encoding in NetBeans?

I want to change encoding of file in NetBeans IDE (ver 6.9.1), let's say from ANSII to UTF-8. How can I do that? 8 Answers ...
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Binding a Button's visibility to a bool value in ViewModel

...pertyChanged.Raise(this, e); } protected void OnPropertyChanged(string propertyName) { OnPropertyChanged(new PropertyChangedEventArgs(propertyName)); } This is how they use Model-view-viewmodel But since you want it binded to a boolean, You will need some converter....
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Check if Python Package is installed

... Name: numpy Version: 1.11.1 Summary: NumPy: array processing for numbers, strings, records, and objects. Home-page: http://www.numpy.org Author: NumPy Developers Author-email: numpy-discussion@scipy.org License: BSD Location: /home/***/anaconda2/lib/python2.7/site-packages Requires: Required-by: s...
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How to enable CORS in AngularJs

...on public class SupplierServicesApplication { public static void main(String[] args) { SpringApplication.run(SupplierServicesApplication.class, args); } @Bean public WebMvcConfigurer corsConfigurer() { return new WebMvcConfigurerAdapter() { @Override ...